CN109455955A - A kind of U-shaped fibre-optical probe preparation method - Google Patents
A kind of U-shaped fibre-optical probe preparation method Download PDFInfo
- Publication number
- CN109455955A CN109455955A CN201811240100.6A CN201811240100A CN109455955A CN 109455955 A CN109455955 A CN 109455955A CN 201811240100 A CN201811240100 A CN 201811240100A CN 109455955 A CN109455955 A CN 109455955A
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- China
- Prior art keywords
- optical fiber
- shaped optical
- shaped
- cladding
- bottom end
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- 239000000523 sample Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims description 14
- 239000013307 optical fiber Substances 0.000 claims abstract description 96
- 239000011247 coating layer Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000008367 deionised water Substances 0.000 claims abstract description 12
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 12
- 238000005253 cladding Methods 0.000 claims abstract description 10
- 238000005530 etching Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 38
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 11
- 238000000576 coating method Methods 0.000 claims 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/66—Chemical treatment, e.g. leaching, acid or alkali treatment
- C03C25/68—Chemical treatment, e.g. leaching, acid or alkali treatment by etching
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/66—Chemical treatment, e.g. leaching, acid or alkali treatment
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
本发明提供了一种U型光纤探头制备方法，包括以下步骤：步骤一，将光纤两端固定在支架上形成U型光纤；步骤二，将U型光纤的底端浸入一次涂覆层腐蚀液中，待所述U型光纤上的涂覆层剥落后，将所述U型光纤取出，并用去离子水清洗U型光纤；步骤三，将经过步骤二处理后的U型光纤的底端浸入包层腐蚀液中，待所述U型光纤上的包层腐蚀后，将所述U型光纤取出，并用去离子水清洗U型光纤；步骤四，将经过步骤三处理后的U型光纤的底端浸入二次涂覆层腐蚀液中，待所述U型光纤上的涂覆层剥落后，将U型光纤取出，并用去离子水清洗，即得到U型光纤探头。应用本技术方案可实现U型光纤的制作工艺简单，且实现U型光纤的各种参数可控。
The invention provides a method for preparing a U-shaped optical fiber probe, comprising the following steps: step 1, fixing both ends of the optical fiber on a bracket to form a U-shaped optical fiber; step 2, immersing the bottom end of the U-shaped optical fiber in a coating layer etching solution In the process, after the coating layer on the U-shaped optical fiber is stripped, the U-shaped optical fiber is taken out, and the U-shaped optical fiber is cleaned with deionized water; step 3, the bottom end of the U-shaped optical fiber processed in step 2 is immersed In the cladding etching solution, after the cladding on the U-shaped optical fiber is corroded, the U-shaped optical fiber is taken out, and the U-shaped optical fiber is cleaned with deionized water; The bottom end is immersed in the secondary coating layer etchant, and after the coating layer on the U-shaped optical fiber is peeled off, the U-shaped optical fiber is taken out and washed with deionized water to obtain a U-shaped optical fiber probe. By applying the technical solution, the fabrication process of the U-shaped optical fiber can be simple, and various parameters of the U-shaped optical fiber can be controlled.
Description
Technical field
The present invention relates to technical field of optical fiber sensing, in particular to a kind of U-shaped fibre-optical probe preparation methods.
Background technique
U-shaped fibre-optical probe have many advantages, such as compact-sized, efficiency of transmission is high, can Distributed Detection, can be applied to surface etc.
In the fibre optical sensors such as ion resonance body, fluorescence, Raman, led in biomedicine, clinical diagnosis, environmental monitoring, food safety etc.
Domain has broad application prospects.
Currently, there are mainly two types of the preparation methods of U-shaped fibre-optical probe: one is first with sharp blade removal coat and
Then covering uses flame heat-shaping；Another kind is to directly adopt flame heating to draw preparation.It both can get difference
The U-shaped fibre-optical probe of bending radius, but the former to require the coat of optical fiber and covering to connect with fibre core not close, the latter needs spy
Different flame, and experimenter's operating technology there are certain requirements.Both preparation methods all have manufacture difficulty height, at high cost,
And a probe can only be once prepared, the shortcomings that poor repeatability.In view of above-mentioned deficiencies of the prior art, inventor is in National Nature
Projects (61505057) and Huaqiao University's Middl-age and youth faculty scientific research promote the subsidy of funded project (ZQN-PY603)
Under, invent this technology.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above, a kind of U-shaped fibre-optical probe preparation method is provided,
It realizes that the manufacture craft of U-shaped optical fiber is simple, and realizes that the various parameters of U-shaped optical fiber are controllable.
In order to solve the above-mentioned technical problems, the present invention provides a kind of U-shaped fibre-optical probe preparation methods, including following step
It is rapid:
Optical fiber both ends are fixed on bracket and form U-shaped optical fiber by step 1, have coat and covering on the U-shaped optical fiber；
Step 2 prepares the mixed solution of the concentrated sulfuric acid and hydrogen peroxide as primary coating layer corrosive liquid, by the bottom of U-shaped optical fiber
End is immersed in the primary coating layer corrosive liquid, after the coat on the U-shaped optical fiber peels off, by the U-shaped optical fiber from one
It is taken out in secondary coat corrosive liquid, and cleans U-shaped optical fiber with deionized water；
Step 3 prepares hydrofluoric acid solution and is used as covering corrosive liquid, by the bottom end of process step 2 treated U-shaped optical fiber
It immerses in the covering corrosive liquid, after the covering corrosion on the U-shaped optical fiber, by the U-shaped optical fiber from covering corrosive liquid
It takes out, and cleans U-shaped optical fiber with deionized water；
Step 4 prepares the mixed solution of the concentrated sulfuric acid and hydrogen peroxide as secondary coat corrosive liquid, will pass through step 3
The bottom end of treated U-shaped optical fiber is immersed in the secondary coat corrosive liquid, is peeled off to the coat on the U-shaped optical fiber
Afterwards, the U-shaped optical fiber is taken out from secondary coat corrosive liquid, and is cleaned with deionized water to get U-shaped fibre-optical probe is arrived.
In a preferred embodiment: primary coating layer corrosive liquid, covering corrosion are successively immersed in the bottom end of the U-shaped optical fiber
Height in liquid, secondary coat corrosive liquid is incremented by successively.
In a preferred embodiment: the bottom end by changing U-shaped optical fiber immerse the height of primary coating layer corrosive liquid come
Adjust the sensing section length of U-shaped optical fiber.
In a preferred embodiment: adjusting U by changing concentration, etching time and the temperature of the covering corrosive liquid
The sensing unit diameter of type optical fiber.
In a preferred embodiment: the optical fiber is one in single mode optical fiber or multimode fibre or extraordinary silica fibre
Kind.
In a preferred embodiment: the concentrated sulfuric acid in the primary coating layer corrosive liquid and secondary coat corrosive liquid and
The volume ratio range of hydrogen peroxide is 1:1 to 3:1.
Compared to the prior art, technical solution of the present invention have it is following the utility model has the advantages that
The present invention provides a kind of U-shaped fibre-optical probe preparation method, this method has universality, does not require coat and packet
Layer connect not close with the fibre core of U-shaped optical fiber.Also, this method operating process is fixed and easy, to experimenter's operating technology without
It is required that and repeatability height.The adjustability of this method is also fine, and the sensing unit length and diameter of U-shaped optical fiber probe can be by changing
Become corrosive liquid parameter to adjust, easy to operate, cost is relatively low.
Detailed description of the invention
Fig. 1 be the preferred embodiment of the present invention in step 1 to step 4 U-shaped optical fiber position view；
Fig. 2 is the U-shaped fibre-optical probe schematic diagram eventually formed in the preferred embodiment of the present invention 1 and 2.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1
A kind of U-shaped fibre-optical probe preparation method, with reference to Fig. 1, comprising the following steps:
The both ends that fibre core and cladding diameter are respectively 200 μm and 220 μm of multimode silica fibre are fixed on branch by step 1
U-shaped optical fiber 1 is formed on frame, has coat and covering on the U-shaped optical fiber 1；
Step 2 prepares the mixed solution of the concentrated sulfuric acid and hydrogen peroxide as primary coating layer corrosive liquid 2, the concentrated sulfuric acid and dioxygen
The volume ratio of water is in 1:1 between 3:1, and in the present embodiment, the volume ratio used is 3:1.By the bottom end 1.5cm of U-shaped optical fiber 1
The part of height is immersed in the primary coating layer corrosive liquid 2, and after 20min, the coat on the U-shaped optical fiber 1 is peeled off, will
The U-shaped optical fiber 1 takes out from primary coating layer corrosive liquid 2, and cleans U-shaped optical fiber 1 with deionized water；By changing U-shaped light
The height of primary coating layer corrosive liquid 2 is immersed to adjust the sensing section length of U-shaped optical fiber 1 in the bottom end of fibre 1.
Step 3, prepares 40% hydrofluoric acid solution as covering corrosive liquid 3, will be by step 2 treated U-shaped light
The part of fine 1 bottom end 1.8cm height is immersed in the covering corrosive liquid 3, and after 15min, the covering on the U-shaped optical fiber 1 is rotten
Erosion, the U-shaped optical fiber 1 is taken out from covering corrosive liquid 3, and clean U-shaped optical fiber 1 with deionized water；It can be by changing institute
Concentration, etching time and the temperature of covering corrosive liquid 3 are stated to adjust the sensing unit diameter of U-shaped optical fiber 1.
Step 4 prepares the mixed solution of the concentrated sulfuric acid and hydrogen peroxide as secondary coat corrosive liquid 4, will pass through step 3
The part of U-shaped 1 bottom end 2cm height of optical fiber that treated is immersed in the secondary coat corrosive liquid 4, the concentrated sulfuric acid and hydrogen peroxide
Volume ratio is equally in 1:1 between 3:1, and in the present embodiment, the volume ratio used is 3:1.To transition on the U-shaped optical fiber 1
After the coat of tapered zone peels off, the U-shaped optical fiber 1 is taken out from secondary coat corrosive liquid 4, and clear with deionized water
It washes and pops one's head in get to U-shaped optical fiber 1.
Specifically, primary coating layer corrosive liquid 2, covering corrosive liquid 3, secondary is successively immersed in the bottom end of the U-shaped optical fiber 1
Height in coat corrosive liquid 4 is incremented by successively.
Specifically, the optical fiber is one of single mode optical fiber or multimode fibre or extraordinary silica fibre.It will thus make
The probe of U-shaped optical fiber 1 obtained is observed under an optical microscope, and measuring it and sensing section length is 9cm, and sensing unit diameter is 150 μm,
As a result as shown in the figure on the left side Fig. 2.
Embodiment 2
The difference of the present embodiment and embodiment is that the bottom end of the U-shaped optical fiber 1 immerses described one with the height of 1.8cm
Secondary coat corrosive liquid 2, then after identical time and identical step the bottom end of the U-shaped optical fiber 1 with the height of 2.1cm
Degree immerses 10min in covering corrosive liquid 3, after step same as Example 1, the bottom end of the U-shaped optical fiber 1 with
The height of 2.3cm immerses secondary coat corrosive liquid 4, and the U-shaped probe of optical fiber 1 obtained in this way is observed under an optical microscope, surveys
Obtaining it and sensing section length is 11cm, and sensing unit diameter is 180 μm, and result is as shown in right in Figure 2.
The present invention provides a kind of U-shaped fibre-optical probe preparation method, this method has universality, does not require coat and packet
Layer connect not close with the fibre core of U-shaped optical fiber 1.Also, this method operating process is fixed and easy, to experimenter's operating technology without
It is required that and repeatability height.The adjustability of this method is also fine, and the sensing unit length and diameter of U-shaped 1 probe of optical fiber can be by changing
Become corrosive liquid parameter to adjust, easy to operate, cost is relatively low.
The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited to this,
Anyone skilled in the art in the technical scope disclosed by the present invention, using this design carries out the present invention non-
Substantive change belongs to the behavior for invading the scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240100.6A CN109455955A (en) | 2018-10-23 | 2018-10-23 | A kind of U-shaped fibre-optical probe preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240100.6A CN109455955A (en) | 2018-10-23 | 2018-10-23 | A kind of U-shaped fibre-optical probe preparation method |
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| CN109455955A true CN109455955A (en) | 2019-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811240100.6A Pending CN109455955A (en) | 2018-10-23 | 2018-10-23 | A kind of U-shaped fibre-optical probe preparation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108668A (en) * | 2019-05-14 | 2019-08-09 | 东北大学 | A kind of U-shaped optical fiber LSPR sensor based on silver-colored set square |
| CN112180509A (en) * | 2020-11-05 | 2021-01-05 | 中国航空工业集团公司北京长城计量测试技术研究所 | Automatic batch hot stripping device for optical fiber coating layer |
| CN116514414A (en) * | 2023-05-11 | 2023-08-01 | 天津大学 | Apparatus and method for preparing tapered optical fiber and combined tapered optical fiber end |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5570441A (en) * | 1993-07-15 | 1996-10-29 | At&T Corp. | Cylindrical fiber probes and methods of making them |
| US20040134884A1 (en) * | 2003-01-10 | 2004-07-15 | Pei-Kuen Wei | Etching method for fabricating high quality optical fiber probe |
| CN1966440A (en) * | 2006-11-27 | 2007-05-23 | 清华大学 | Method for producing optical fiber probe |
| CN101349779A (en) * | 2008-09-04 | 2009-01-21 | 南京师范大学 | A kind of core-type colloidal crystal microstructure optical fiber and its preparation method |
| CN102565925A (en) * | 2012-01-17 | 2012-07-11 | 清华大学 | Method for preparing microfine optical fiber by adopting chemical corrosion method |
-
2018
- 2018-10-23 CN CN201811240100.6A patent/CN109455955A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5570441A (en) * | 1993-07-15 | 1996-10-29 | At&T Corp. | Cylindrical fiber probes and methods of making them |
| US20040134884A1 (en) * | 2003-01-10 | 2004-07-15 | Pei-Kuen Wei | Etching method for fabricating high quality optical fiber probe |
| CN1966440A (en) * | 2006-11-27 | 2007-05-23 | 清华大学 | Method for producing optical fiber probe |
| CN101349779A (en) * | 2008-09-04 | 2009-01-21 | 南京师范大学 | A kind of core-type colloidal crystal microstructure optical fiber and its preparation method |
| CN102565925A (en) * | 2012-01-17 | 2012-07-11 | 清华大学 | Method for preparing microfine optical fiber by adopting chemical corrosion method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108668A (en) * | 2019-05-14 | 2019-08-09 | 东北大学 | A kind of U-shaped optical fiber LSPR sensor based on silver-colored set square |
| CN112180509A (en) * | 2020-11-05 | 2021-01-05 | 中国航空工业集团公司北京长城计量测试技术研究所 | Automatic batch hot stripping device for optical fiber coating layer |
| CN116514414A (en) * | 2023-05-11 | 2023-08-01 | 天津大学 | Apparatus and method for preparing tapered optical fiber and combined tapered optical fiber end |
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Application publication date: 20190312 |
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