CN101046528A - Optical fiber coil and production method therefor - Google Patents
Optical fiber coil and production method therefor Download PDFInfo
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- CN101046528A CN101046528A CN 200710092192 CN200710092192A CN101046528A CN 101046528 A CN101046528 A CN 101046528A CN 200710092192 CN200710092192 CN 200710092192 CN 200710092192 A CN200710092192 A CN 200710092192A CN 101046528 A CN101046528 A CN 101046528A
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Abstract
本发明公开了一种光纤线圈及其制造方法，可以不在单芯线之间开设所需以上的间隔，并且不对单芯线施加所需以上的应力，而且时间或者经济上的成本较小即可完成。在本发明的光纤线圈中，在平行排列多根单芯线f1～fn并通过覆盖部S一体构成的光纤带1的两端，以至少一根所述单芯线的一端与另一根单芯线的另一端连接的方式进行连接。
The present invention discloses an optical fiber coil and a manufacturing method thereof, which do not need to provide more than necessary intervals between single core wires, and do not apply more than necessary stress to single core wires, and the time or economic cost is relatively small. Finish. In the optical fiber coil of the present invention, at both ends of the optical fiber ribbon 1 in which a plurality of single-core wires f1-fn are arranged in parallel and integrally constituted by the covering part S, at least one end of the single-core wire is connected to the other single-core wire. Connect the other end of the core wire.
Description
Technical field
The present invention relates to be used for fiber optic coils and manufacture method thereof optical fibre gyro, sensor, image intensifer, laser instrument, dispersion compensator, nonlinear optical device, delay circuit, virtual circuit, other long size fiber optic applications parts, surplus long process device etc., that can save space and low-tension.
Background technology
Optical fiber is widely used in purposes such as sensor as the optical-fiber type device that device uses.In addition, the optical-fiber type device has received concern as having mixed the image intensifer of erbium, thulium, praseodymium etc., the dispersion compensator that has used dispersion-compensating fiber or nonlinear optical device etc.
Because the optical-fiber type device is made of optical fiber, so, also very stable with the associativity influence and the characteristic good, that be not vulnerable to external noise of drive access or other device, be celebrated as good device.
But,, then have the shortcoming that volume increases if the length of required optical fiber is longer.For fear of this shortcoming, can use in the mode that is called fiber optic coils that is wrapped on the small diameter cylinder.
The manufacture method that fiber optic coils is general is, at first, in initial step, will form adhesive phase than part or all application of adhesive on a long single-core line surface.Adhesive phase is arranged at least a portion on single-core line surface at least, makes when winding around between the adjacent optical fiber bonding and interfix.
In step subsequently, the single-core line that uses coil winder will be provided with adhesive phase is wrapped on the bobbin with predetermined diameter.At this moment, for the interval that dwindles between the single-core line makes the coil overall compact, under the state that single-core line has been applied stress, twine.
Then, use suitable method to make the dry or curing of adhesive phase, produce fiber optic coils (opening the 2003-107250 communique) with reference to the spy with predetermined coiling diameter, winding width, coiling length.
But there is following point in the manufacture method of above-mentioned existing fiber optic coils.
That is,, then cause on the time or cost economically increases owing to adjusting etc. if with the interval more than not required at interval between the single-core line and single-core line is not applied the mode winding around of the stress more than required.
In addition, if single-core line is applied required above stress, then will become the reason that light transmits loss.
Summary of the invention
The present invention implements in order to address the above problem, its objective is provide a kind of can be at the interval more than not required at interval between the single-core line and single-core line is not applied stress more than required, less fiber optic coils and the manufacture method thereof of cost on the time or economically.
The present invention is made of following technology, can solve described problem.
(1) a kind of fiber optic coils is characterized in that: be arranged in parallel and constitute the two ends of the fibre ribbon of one by covering part at many single-core lines, be formed by connecting with an end of at least one described single-core line and the other end ways of connecting of another root single-core line.
(2) a kind of fiber optic coils, it is characterized in that: according to single-core line f1, f2, f3 ..., fn sequential parallel arrange and the two ends of the fibre ribbon that constitutes by the covering part one, with f1 and f2, f2 and f3 ..., the mode that is connected with fn of fn-1 is formed by connecting.
(3) according to (1) or (2) described fiber optic coils, it is characterized in that: described covering part only covers the single face of described single-core line.
(4) according to (1) to (3) each described fiber optic coils, it is characterized in that: described covering part is made of silicon rubber.
(5) according to (1) or (2) described fiber optic coils, it is characterized in that: described connection is that fusion connects.
(6) a kind of shape fiber optic coils of tying up is characterized in that: form by each described fiber optic coils of tying up (1) to (5).
(7) according to (6) described shape fiber optic coils of tying up, it is characterized in that: cover fibre ribbon two ends part in addition with coating portion.
(8) a kind of manufacture method of fiber optic coils is characterized in that, the many single-core lines that comprise the steps: to be arranged in parallel constitute one by covering part, thereby are made into fibre ribbon; Connect at its two ends, make an end of at least one described single-core line and the other end of another root single-core line be connected.
(9) a kind of manufacture method of tying up the shape fiber optic coils is characterized in that, the many single-core lines that comprise the steps: to be arranged in parallel constitute one by covering part, thereby are made into fibre ribbon; Connect at its two ends, make the other end of an end of at least one described single-core line and another root single-core line be formed by connecting and be fiber optic coils; Tie up described fiber optic coils.
(10) a kind of manufacture method of tying up the shape fiber optic coils is characterized in that, the many single-core lines that comprise the steps: to be arranged in parallel constitute one by covering part, thereby are made into fibre ribbon; Tie up described fibre ribbon; Connect at its two ends, make an end of at least one described single-core line and the other end of another root single-core line be connected.
According to the present invention, can provide a kind of and not offer interval more than required between the single-core line, single-core line applied stress and time or less fiber optic coils and the manufacture method thereof of cost economically more than required.
That is, use to be arranged in parallel many single-core lines in advance and to constitute the fibre ribbon of one, thus, can not apply required above stress and control the interval between single-core line narrower and fixing by covering part.In addition, do not need the winding time maybe can shorten the winding time, do not need bonding agent maybe can reduce bonding agent yet, thereby alleviate the workload that bonding agent applies.Thereby, can make fiber optic coils simply, on the time or cost economically less.
And then, make fibre ribbon because the breakage of the caused shape of temperature variation or light transmission loss increase are less, use the fiber optic coils of its manufacturing also not to be vulnerable to influence of temperature variation, increased reliability at actual environment.
Description of drawings
Fig. 1 illustrates the outboard profile that fibre ribbon is bent to the state of C font.
Fig. 2 is the enlarged drawing of two end peripheries (the Y part of Fig. 1) of fibre ribbon.
Fig. 3 is the key diagram that the end of fibre ribbon is shown.
Fig. 4 is the outboard profile of tying up to spiral-shaped of tying up the shape fiber optic coils of the present invention.
Fig. 5 is the outboard profile of tying up the shape fiber optic coils with coating portion.
Fig. 6 is the stereographic map of winding instrument.
Fig. 7 A～7C is the key diagram that adopts the winding instrument to twine.
Embodiment
In order to address the above problem, the application's inventor finds: utilize to be arranged in parallel many single-core lines and to constitute the fibre ribbon of the band shape of one by covering part, can easily produce fiber optic coils, realized purpose of the present invention.
Use Fig. 1～Fig. 3 to describe.
Fig. 1 be illustrate will have the fibre ribbon of length L curl for the outboard profile of the state of C font, in the Y part, the structure by Fig. 2 connects its end.Fig. 2 is the enlarged drawing of two end peripheries (the Y part of Fig. 1) of fibre ribbon, and Fig. 3 is the key diagram that the end of fibre ribbon is shown.
The 1st, fibre ribbon, f1～f5 are single-core lines, and S is that covering part, d are the thickness of covering part.
Covering part S can cover the two sides of single-core line f1～f5, also can cover single face.As shown in Figure 3, it is good only to cover the single face flexible, so preferred.
The thickness d of preferred covering part is 50 μ m～500 μ m.Further preferred 50 μ m～250 μ m.If do not reach 50 μ m, then produce the situation that undesirable f1～f5 separates, if surpass 500 μ m then the flexible deficiency.
As the material of covering part S, can use the urethane fat system that wherein added thermoplasticity bonding agent, hot setting adhesive, normal temperature cure bonding agent, ultraviolet curing adhesive, electronic beam curing bonding agent etc., propylene system, epoxy system, nylon system, phenol system, polyimide system, ethene system, silicon system, rubber system, fluoridize epoxy system, fluorinated acrylamide is various materials such as resin.In the material of described covering part S, the silicon that preferably has flexible is resin, and wherein silicon rubber is good especially.
As described below, preferred silicon rubber has 20～90 hardness, and tensile strength is 15～80kgf/cm
2Hardness is 25～75, tensile strength is 15～60kgf/cm
2Better; Preferably hardness is 30～65, and tensile strength is 15～50kgf/cm
2The hardness of silicon rubber less than 20 and tensile strength be lower than 15kgf/cm
2Situation, the fibre ribbon 1 that is obtained for side pressure, the undercapacity that reverses, when operation, even if also be easy to generate the breakage of fibre ribbon 1 for a little deflection.
In addition, when hardness greater than 90 and tensile strength greater than 80kgf/cm
2Situation, the flexible deficiency, in addition, the separation property of single-core line f1～f5 is insufficient.
In addition, " hardness " described herein is meant and follows measured " durometer hardness of stipulating among the JIS K6249 " of method.That is, use silicon rubber to make the test film of thickness, on A type hardness tester meter, do not push scleroscopic pressing from the vertical upper surface of test film, with not applying impact by reading the value that scale is measured as 6mm.In addition, sclerometer is the test unit that the compression distance of the pressing when pushing by spring is obtained hardness.
Then, as shown in FIG. 2, the other end of the end of the other end of the end of the single-core line f1 of α side and β side single-core line f2, the single-core line f2 of α side and β side single-core line f3 ..., the end of single-core line fn-1 of α side and the other end of β side single-core line fn be connected at the two ends of fibre ribbon 1, make the end of single-core line f1～f4 be connected, long fiber optic coils till forming from the other end of single-core line f1 to the end of single-core line fn with the other end of single-core line f2～f5.In addition, described fiber optic coils becomes and has larger-diameter spiral-shapedly, is a kind of form of fiber optic coils of the present invention.
As the method for attachment at two ends, can use fusion to connect, use the method, connector connection etc. of mechanical sleeve, but transmitting the less fusion of loss, the light that preferably produces because of connection connects.And then preferably by protection connecting portions such as protection sleeves.
The summation that the light that reduces tie point connects loss means and preferably reduces n and increase L.
If the single-core line that increases in the fibre ribbon 1 is counted n, then can shorten fiber lengths L, and produce the little fiber optic coils of diameter.At this moment, count n, must increase the width of fibre ribbon 1 owing to increase single-core line.When wishing to reduce the diameter of fiber optic coils, can increase n as mentioned above and reduce L owing to the restriction in space.
As mentioned above, single-core line is counted the value of n and fiber lengths L and how to be selected, and carry out suitable selection according to the fiber optic coils of wishing which type of diameter, width, length, shape etc.
In addition, preferably connect the tie point of n-1 simultaneously, still, stipulated to connect the situation of radical when the fusion splicer that resembles market sale, also can select the quantity of n according to its setting.For example, when the situation that can only connect 4 pairs fusion splicer simultaneously, the quantity of preferred n is 5.
In addition, as illustrated in fig. 2, the present invention be not limited in single-core line f1 and single-core line f2, single-core line f2 and single-core line f3 ..., the embodiment that is connected with single-core line fn of single-core line fn-1.Certainly also comprise following situation: for example the single-core line f2 of the single-core line f1 of the α side of Fig. 2 and β side single-core line f3, α side and β side single-core line f4 ..., the single-core line fn-2 of α side and the single-core line fn-1 of β side single-core line fn, α side be connected with β side single-core line f1, connect the end of each single-core line as a whole, thereby produce a fiber optic coils.
In addition, also comprise the single-core line f2 of the single-core line f1 of α side of following situation: Fig. 2 and β side single-core line f3, α side and β side single-core line f4 ..., the α side single-core line fn-2 be connected with β side single-core line fn, and produce two fiber optic coils simultaneously.
That is, fiber optic coils of the present invention is characterised in that: be arranged in parallel and the two ends of the fibre ribbon that constitutes by the covering part one at many single-core lines, be formed by connecting with an end of at least one described single-core line and the other end ways of connecting of another root single-core line.
Material for the single-core line f1～fn that constitutes fibre ribbon 1 of the present invention does not limit, and can carry out suitable selection according to purposes etc.The single-core line that multimode and single mode for example can use is quartzy, the fiber amplifier of the single-core line that plastic or other material constitutes or mixed erbium, thulium, praseodymium etc. is used.
In addition, the single-core line quantity n of the external diameter of single-core line f1～fn or fiber lengths L, formation fibre ribbon 1 is without any restriction.
As mentioned above, according to fiber optic coils of the present invention,, can not apply required above stress and dwindle interval between single-core line f1～fn and fixing by using the fibre ribbon 1 be arranged in parallel many single-core line f1～fn in advance and constitute by covering part S one.In addition, the winding of fibre ribbon 1 does not need the bonding agent of fixed fiber band 1, and time or cost economically are lower.
And then fibre ribbon 1 is not vulnerable to influence of temperature variation because the breakage of the shape that temperature variation causes or light transmission loss increase are less with its fiber optic coils that produces yet, and has improved the reliability to actual environment.
Below, what another embodiment of the present invention was described ties up the shape fiber optic coils.
The shape fiber optic coils of tying up of the present invention is characterised in that described fiber optic coils is tied up and formed that its binding method specifically limits.For example, can tie up and be spirality or scroll.
In Fig. 4, show to tie up and be the spiral outboard profile of tying up the shape fiber optic coils of the present invention.
The 2nd, connected the fusing department of single-core line f1～fn by fusion, X is the shape fiber optic coils of tying up of the present invention.
Because fusing department 2 passes through melting and solidification, so, be difficult to twine, still also can form it into the fiber optic coils X of abundant compactness.
In addition, figure 4 illustrates the situation that single-core line f1 and single-core line f5 are separated from fibre ribbon 1.By single-core line f1 is connected with other equipment with single-core line f5, fiber optic coils X can be used as the optical fiber transfer path.
As mentioned above, according to the shape fiber optic coils X that ties up of the present invention, can make the large diameter fiber optic coils shown in Fig. 1 compacter.
In addition, as shown in Figure 5, for tying up the shape fiber optic coils, can cover part outside the both ends of fibre ribbon with coating portion.
C is a coating portion, W be have a C of coating portion tie up the shape fiber optic coils.
In the C of coating portion, except rubber based materials such as silicon rubber, naphtha rubber, butyl rubber, also can use general resin etc., still, preferably be difficult to stress application, expand, shrink less rubber based material for the variation of environment for fibre ribbon 11.In addition, have materials with function such as flame retardancy, thermotolerance, insulativity by use, thereby can add described characteristic.
By covering with the C of coating portion, shape that can fixed coil transmits the loss change thereby reduce light.
Below, describe for the manufacture method of fiber optic coils of the present invention.
The manufacture method of fiber optic coils of the present invention is characterised in that, the many single-core line f1～fn that comprise the steps: to be arranged in parallel, and S constitutes one by covering part, thereby is made into fibre ribbon; Connect at its two ends, make an end of at least one described single-core line and the other end of another root single-core line be connected.
At first, the many single-core line f1～fn that are arranged in parallel, S constitutes one by covering part, thereby forms fibre ribbon 1.
There is not concrete qualification for the method that applies, but, for example open the method described in the 2004-240152 communique, above the many single-core lines on being disposed at the plane after the coating cladding material as the spy, use shaping jig to make the cladding material moulding, this method is applicable to the present invention.
Then,, connect, make an end of at least one single-core line be connected with the other end of another root single-core line by using fusion connector, the method for mechanical sleeve, connector at the two ends of fibre ribbon 1.
As mentioned above, can make fiber optic coils of the present invention.
Below, describe for manufacture method of tying up the shape fiber optic coils of the present invention.
Manufacture method of tying up the shape fiber optic coils of the present invention is characterised in that: tie up above-mentioned fiber optic coils.
When tying up, preferred bobbin, following Fig. 6 and winding instrument illustrated in fig. 7 etc. can seamlessly stop up fibre ribbon 1 compactly.But, need adjust load, do not transmit loss so that can not produce light owing to the rapid bending of fibre ribbon 1.
Use Fig. 6～Fig. 7 that the situation of using winding instrument 11 is described.
Fig. 6 is the stereographic map of winding instrument, and Fig. 7 A～7C is the key diagram that twines with the winding instrument.In addition, in Fig. 7, omit substrate 12 and stringer board 13.
In Fig. 6 and Fig. 7, the 11st, winding instrument, the 12nd, substrate, the 13rd, stringer board, the 14th, swivel plate, 15a, 15b are the winding axles that constitutes with swivel plate 14 one, in addition, white hollow arrow shows the sense of rotation of swivel plate 14.
Winding instrument 11 shown in Fig. 6 connects stringer board 13 on substrate 12, on stringer board 13, with can be with its center as turning axle and free rotation mode has been installed circular swivel plate 14.
And, on swivel plate 14 (central shaft is vertical relation with swivel plate), have two winding axle 15a, 15b (for example, stainless steel, diameter are 30mm) that are arranged in parallel with rotation.In addition, described 2 mid points that twine axle 15a, 15b are the center of turning axle.
The preferred step of winding instrument 11 process Fig. 7 A～Fig. 7 C of Fig. 6 of using produces the shape fiber optic coils of tying up of the present invention.That is, shown in Fig. 7 A, with the fusion point position farthest from fiber optic coils hang over the mode of twining on the axle 15a be provided with, fixing after, to the fiber optic coils stress application, make turning axle 14 rotations (being clockwise in the drawings) simultaneously.In addition, because the single-core line f1～f5 of fiber optic coils constitutes one,, less in the situation that applies the stress more than required on the single-core line so stress is disperseed.
Below, shown in Fig. 7 B and Fig. 7 C,, and can tie up and be desirable shapes such as spirality or scroll (being scroll in the drawings) along with fiber optic coils is twined in rotation.And what can produce fusing department 2 residual ties up shape fiber optic coils X.
Use bobbin to produce when tying up the shape fiber optic coils, the method for tying up is also identical.
As employed bobbin when tying up, can suitably select the bobbin that constitutes by metals such as iron or aluminium, plastics, glass etc.In order to reduce to change the influence of the change in size that produces, the plastics of metal, glass, glass fibre or filling material etc. have preferably been added owing to temperature variation or humidity.And the size of bobbin is not particularly limited, and can the space be set according to the flexural property of optical fiber or bobbin and select.
In addition, when tying up, can adopt to fibre ribbon 1 and apply bonding agent, adjacent fibre ribbon 1 is the bonding mutually and method that interfixes.As described bonding agent, the tension force that is produced during for winding fibre ribbon 1 so long as have the bonding agent of the bonding force of keeping described coil shape, can use any bonding agent.For example, can use the urethane fat system that wherein added thermoplasticity bonding agent, hot setting adhesive, normal temperature cure bonding agent, ultraviolet curing adhesive, electronic beam curing bonding agent etc., propylene system, epoxy system, nylon system, phenol system, polyimide system, ethene system, silicon system, rubber system, fluoridize epoxy system, fluorinated acrylamide is various materials such as resin.In addition, bonding owing to not needing to be undertaken by each root single-core line f1～f5, so, compared with prior art, can reduce amount of binder, and alleviate the workload of application of adhesive.
In addition, the order of all right replacement step.
That is, be arranged in parallel many single-core lines and produce fibre ribbon by covering part one formation, tie up this fibre ribbon, the end at its two ends with at least one single-core line is connected with the other end connected mode of another root single-core line.
In addition, the part of fibre ribbon except that two ends is immersed in liquid rubber based material or the resin etc., it pulled and makes its drying, curing, thus, form the C of coating portion that covers fiber optic coils.
Can form the C of coating portion, also can not form the C of coating portion, still,, be preferably formed the C of coating portion from the very outstanding viewpoint of counter stress permanance.
For the formation of the C of coating portion, can after tying up fiber optic coils or after tying up fibre ribbon, suitably carry out.
As mentioned above, manufacture method and manufacture method of tying up the shape fiber optic coils of the present invention according to fiber optic coils of the present invention, compare with the existing method that will be wrapped in than a long single-core line on the bobbin etc. with bonding agent, the winding time can not needed, maybe can shorten the winding time, do not need bonding agent or reduce bonding agent, thereby alleviate the coating workload.Thereby, can produce fiber optic coils simply, time or cost economically are less.
Embodiment
5 single-core lines that use 1.1 meters of length are as single-core line f1～f5.
This single-core line f1～f5 (Furukawa society system, quartz is a single-mode fiber, external diameter 0.25mm) that is arranged in parallel is only covered its single face, as fibre ribbon 1 by covering part S one.
In covering part S, used normal temperature cure silicon rubber (the silicon system TSE392 of GE Toshiba: hardness 26, tensile strength 16kgf/cm
2).The thickness of covering part is 100 μ m.
In addition, the manufacture method with single-core line f1～fibre ribbon 1 that f5 manufacturing single face covers is as follows.Applied above single-core line f1～f5 on being disposed at the plane as after the above-mentioned normal temperature cure silicon rubber before the curing of cladding material, used shaping jig to make the cladding material moulding, and made it to solidify by drying.
For 4 single-core line f1, f2, f3, f4, remove the covering part S (covering part that comprises cladding material 3 and heart yearn) of 3cm from an end of fibre ribbon 1 with hot rolling device (ホ Star ト ス ト リ Star パ).
Equally, for 4 single-core line f2, f3, f4, f5, remove the covering part S (covering part that comprises cladding material 3 and heart yearn) of 3cm from the other end of fibre ribbon.Thereby these parts become uncovered optical fiber bare wire (element
) state.
With the front end of the described 4 pairs of single-core lines (f1 and f2, f2 and f3, f3 and f4, f4 and f5) that become optical fiber bare wire state with after the optical fiber cutter cuts 1cm; use the fusion connector of 4 pairs of while connecting-types to connect this 4 couple respectively and become fusing department 2, and protect with the heat-shrinkable protective casing.
As mentioned above, as the fiber optic coils of embodiment 1, produce the fiber optic coils that length is about 5.4 meters.
The fiber optic coils of embodiment 1 constitutes fibre ribbon 1 owing to single-core line f1-f5 forms as one, so, do not need to offer required above interval between the single-core line, and single-core line is not applied required above stress, no problem in practical application.In addition, do not need to twine and applying adhesive, compared with prior art, lower the time on economically cost.
What the following describes embodiment 2 ties up the shape fiber optic coils.
Use above-mentioned winding instrument 11 that fiber optic coils produced among the embodiment 1 is tied up and be spirality, what produce embodiment 2 ties up shape fiber optic coils X.
In addition, when tying up fiber optic coils, between fiber optic coils, provide ultraviolet-curing adhesive (PVC ス コ Star Network PM-654, Osaka organic chemistry industry system) with feeder device in advance, after the winding, (exposure intensity is 20mW/cm to carry out the ultraviolet curing processing by ultraviolet lamp
2, 2 minutes).
The described shape fiber optic coils X that ties up, the about 5.4 meters fiber optic coils of length till becoming from the other end of optical fiber eight to the end of optical fiber f5, its light transmits loss and is approximately 0.8dB.
What the following describes embodiment 3 ties up the shape fiber optic coils.
The part except the both ends of fibre ribbon of tying up the shape fiber optic coils that to make in embodiment 2 is immersed in liquid silicon rubber (East シ ダ ウ コ-ニ Application グ corporate system, trade name: SE9189L), with its pull-up and make its drying, curing, what thus, produce embodiment 3 ties up shape fiber optic coils W.
About 5.4 a meters fiber optic coils of length till described fiber optic coils W becomes from the other end of optical fiber f1 to the end of optical fiber f5.
In addition, embodiment 3 ties up the shape fiber optic coils, has splendid endurance for stress.
Claims (15)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006094374 | 2006-03-30 | ||
| JP2006094374 | 2006-03-30 | ||
| JP2006275971 | 2006-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101046528A true CN101046528A (en) | 2007-10-03 |
Family
ID=38771286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710092192 Pending CN101046528A (en) | 2006-03-30 | 2007-03-30 | Optical fiber coil and production method therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101046528A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102483337A (en) * | 2009-07-16 | 2012-05-30 | 哈米德瑞萨·埃洛莫哈迈德 | Optical fiber sensor and manufacturing method thereof |
| CN115196419A (en) * | 2022-05-18 | 2022-10-18 | 北京理工大学 | A device for fiber optic gyroscope pigtail winding |
-
2007
- 2007-03-30 CN CN 200710092192 patent/CN101046528A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102483337A (en) * | 2009-07-16 | 2012-05-30 | 哈米德瑞萨·埃洛莫哈迈德 | Optical fiber sensor and manufacturing method thereof |
| CN102483337B (en) * | 2009-07-16 | 2015-11-25 | 哈米德瑞萨·埃洛莫哈迈德 | Optical fiber sensor and manufacturing method thereof |
| CN115196419A (en) * | 2022-05-18 | 2022-10-18 | 北京理工大学 | A device for fiber optic gyroscope pigtail winding |
| CN115196419B (en) * | 2022-05-18 | 2023-09-19 | 北京理工大学 | A device for fiber optic gyroscope pigtail coiling |
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