CN102038483B - White light source of medical endoscope and preparation method thereof - Google Patents
White light source of medical endoscope and preparation method thereof Download PDFInfo
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- CN102038483B CN102038483B CN201010566216A CN201010566216A CN102038483B CN 102038483 B CN102038483 B CN 102038483B CN 201010566216 A CN201010566216 A CN 201010566216A CN 201010566216 A CN201010566216 A CN 201010566216A CN 102038483 B CN102038483 B CN 102038483B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000011521 glass Substances 0.000 claims abstract description 47
- 239000013307 optical fiber Substances 0.000 claims abstract description 22
- 230000008878 coupling Effects 0.000 claims abstract description 17
- 238000010168 coupling process Methods 0.000 claims abstract description 17
- 238000005859 coupling reaction Methods 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 3
- 239000000835 fiber Substances 0.000 claims description 38
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 239000000146 host glass Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 238000005342 ion exchange Methods 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims description 7
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 6
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 6
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- ZXGIFJXRQHZCGJ-UHFFFAOYSA-N erbium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Er+3].[Er+3] ZXGIFJXRQHZCGJ-UHFFFAOYSA-N 0.000 claims description 4
- VQCBHWLJZDBHOS-UHFFFAOYSA-N erbium(III) oxide Inorganic materials O=[Er]O[Er]=O VQCBHWLJZDBHOS-UHFFFAOYSA-N 0.000 claims description 4
- IRPDISVJRAYFBI-UHFFFAOYSA-N nitric acid;potassium Chemical compound [K].O[N+]([O-])=O IRPDISVJRAYFBI-UHFFFAOYSA-N 0.000 claims description 4
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 238000003631 wet chemical etching Methods 0.000 claims description 4
- 229910003454 ytterbium oxide Inorganic materials 0.000 claims description 4
- 229940075624 ytterbium oxide Drugs 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000001259 photo etching Methods 0.000 claims description 3
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 5
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 2
- 150000002910 rare earth metals Chemical class 0.000 abstract 2
- 238000005086 pumping Methods 0.000 description 5
- 239000010408 film Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229910001415 sodium ion Inorganic materials 0.000 description 3
- 238000002207 thermal evaporation Methods 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910000836 magnesium aluminium oxide Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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Abstract
A white light source of medical endoscope and its preparation method, in order to solve the light source used in the medical field at present because of using a series of optical devices to focus, couple and require to provide the high-power to the light source, not merely make the light source bulky, with high consumption, and it is very inconvenient technical matter such as being very inconvenient to move and use. The optical fiber coupling device consists of a 980nm pump light laser, a rare earth doped glass-based optical waveguide, an optical fiber and a coupling component. The method is characterized in that when a 980nm pump light laser is connected with a power supply, pump light excites a rare earth doped optical waveguide to emit light with three different wavelengths of red, green and blue, and the intensity of the three different wavelengths of light is changed along with the change of the power of the pump light by adjusting the power of the pump light, so that high-brightness and unidirectionally-transmitted warm white light, pure white light or cold white light can be obtained and is guided into an optical fiber through a coupling component to illuminate an observation area.
Description
Technical field
The present invention relates to a kind of white light source and preparation method thereof, relate in particular to a kind of medical endoscope white light source and preparation method thereof and belong to medical instruments field.
Background technology
At medical field, particularly during Minimally Invasive Surgery, need illuminator be deep in the human body, and utilize illuminator to illuminate tissue, the human body tissue so that more accurate, effectively carry out medical treatment and detects intuitively.Therefore, it is must volume little and have enough brightness of illuminations to extend into the illuminator of inside of human body, and the medical light source that therefore throws light on has important effect.The light source of medical science use at present mainly is with halogen tungsten lamp and xenon lamp as light source, focuses on the interface that optical cable gets into the hard tube mirror, but because these two kinds of light sources all need be gone up the power supply of hectowatt; And light source is focused on through a series of optical device; Coupling, so the volume of these light sources is big, life-span under high power and reliability all receive the restriction of component quality; Must there be simultaneously a heavier optical cable to connect, moves and very inconvenient when using.
Summary of the invention
The present invention focuses on, is coupled light source owing to a series of optical device of employing for the light source that solves present medical circle use and requires to provide large power supply; Make not only that the light source volume is big, energy consumption is high; And when moving and use unusual technical problem such as inconvenience, a kind of medical endoscope white light source and preparation method thereof is provided.
A kind of medical endoscope white light source; It by 980nm pump light laser instrument, rear-earth-doped glass-based fiber waveguide, lose optical fiber and laser instrument and optical waveguide coupled parts and fiber waveguide and lose optical fiber coupling component and form, be of coupled connections through laser instrument and optical waveguide coupled parts between said 980nm pump light laser instrument and the rear-earth-doped glass-based fiber waveguide; Rear-earth-doped glass-based fiber waveguide and lose between the optical fiber through fiber waveguide with lose optical fiber coupling component and be of coupled connections.
After said rear-earth-doped glass-based fiber waveguide and of the coupling of 980nm pump light laser instrument through laser instrument and optical waveguide coupled parts; Under the exciting of 980nm pump light laser instrument, produce the white light of high brightness, one way propagation; Be coupled with losing the optical fiber coupling component interface through rear-earth-doped glass-based fiber waveguide again, import the illumination that optical fiber is observed the district.Wherein: the preparation process of said rear-earth-doped glass-based fiber waveguide is:
A. the composition of glass, it comprises the host glass of 100 mass parts, and the rare earth oxide that in said host glass, mixes comprises that the Erbia mass fraction is 0.2-6, and the Dithulium trioxide mass fraction is 0.1-3, and the ytterbium oxide mass fraction is 2-8.Said host glass contains germanium oxide, magnesium oxide, aluminium oxide and sodium oxide, and wherein the mass fraction of each material is: germanium oxide is 50-65, and aluminium oxide is 20-35, and magnesium oxide is 1-10, and sodium oxide is 10-20.
B. the preparation of glass is formed according to above-mentioned glass, and accurately raw materials weighing is put into platinum crucible behind the mix homogeneously, founds 4-10 hour at 1500-1600 ℃, anneals 2 hours cool to room temperature then down at 500-550 ℃.Gained glass through the cutting, the polishing, clean glass host material.
C. the preparation of fiber waveguide; With above-mentioned gained glass host material thermal evaporation deposit 120-220nm aluminum mask under the dust free room condition; Obtain the wide aluminum film of 4-10 micron through photoetching and wet-chemical etching then, in ion exchanging furnace, the aluminum film is put into high pure nitric acid potassium fused salt; Carry out K+-Na+ ion exchange 2-8 hour at 360-400 ℃, obtain the fiber waveguide of single mode.Behind the furnace cooling, take out and clean, remove the aluminum mask, the two ends polishing obtains rear-earth-doped glass-based fiber waveguide.
Characteristics of the present invention and beneficial effect: the light source volume is little, energy consumption is low, carries with very easy to use, has high brightness of illumination and stability, can be through regulating the light that pumping light power can obtain three kinds of different wave lengths.
Be in particular in:
The white light source of small and exquisite core luminescent device fiber waveguide through being of coupled connections and producing with the pump light laser instrument; Directly extend into inside of human body through optical fiber; Simple in structure, advantages of small volume, thereby carry, use ten minutes light, and have very high brightness of illumination and stability.
When 980nm pump light laser instrument and power connection; The waveguide of pump light exciting light; Can send the light of red, blue, green three kinds of different wave lengths; Through regulating pumping light power, three kinds of different wave length light intensities change and change along with pumping light power, thereby can obtain warm white, pure white light, cold white light.
Description of drawings
Fig. 1 medical endoscope white lighting source structure sketch map.
The specific embodiment
Referring to Fig. 1; A kind of medical endoscope white light source; It by 980nm pump light laser instrument 1, rear-earth-doped glass-based fiber waveguide 3, lose optical fiber 5, laser instrument and optical waveguide coupled parts 2, fiber waveguide and lose optical fiber coupling component 4 and form, be of coupled connections through laser instrument and optical waveguide coupled parts 2 between said 980nm pump light laser instrument 1 and the rear-earth-doped glass-based fiber waveguide 3; Rear-earth-doped glass-based fiber waveguide 3 and lose between the optical fiber 5 through fiber waveguide with lose optical fiber coupling component 4 and be of coupled connections.
A kind of its preparation method of medical endoscope white light source; After said rear-earth-doped glass-based fiber waveguide 3 is passed through the coupling of laser instrument and optical waveguide coupled parts 2 with 980nm pump light laser instrument 1; Under the exciting of 980nm pump light laser instrument 1, produce the white light of high brightness, one way propagation; Be coupled with losing optical fiber coupling component 4 interfaces through rear-earth-doped glass-based fiber waveguide 3 again, import the illumination that optical fiber is observed the district.Wherein: the preparation process of said rear-earth-doped glass-based fiber waveguide is:
A. the composition of glass, it comprises the host glass of 100 mass parts, and the rare earth oxide that in said host glass, mixes comprises that the Erbia mass fraction is 0.2-6, and the Dithulium trioxide mass fraction is 0.1-3, and the ytterbium oxide mass fraction is 2-8; Said host glass contains germanium oxide, magnesium oxide, aluminium oxide and sodium oxide, and wherein the mass fraction of each material is: germanium oxide is 50-65, and aluminium oxide is 20-35, and magnesium oxide is 1-10, and sodium oxide is 10-20.
B. the preparation of glass is formed according to above-mentioned glass, and accurately raw materials weighing is put into platinum crucible behind the mix homogeneously, founds 4-10 hour at 1500-1600 ℃, anneals 2 hours cool to room temperature then down at 500-550 ℃.Gained glass through the cutting, the polishing, clean glass host material.
C. the preparation of fiber waveguide; With above-mentioned gained glass host material thermal evaporation deposit 120-220nm aluminum mask under the dust free room condition; Obtain the wide aluminum film of 4-10 micron through photoetching and wet-chemical etching then, in ion exchanging furnace, the aluminum film is put into high pure nitric acid potassium fused salt; Carry out K+-Na+ ion exchange 2-8 hour at 360-400 ℃, obtain the fiber waveguide of single mode.Behind the furnace cooling, take out and clean, remove the aluminum mask, the two ends polishing obtains rear-earth-doped glass-based fiber waveguide.
Embodiment 1
The preparation of rear-earth-doped glass-based fiber waveguide:
The preparation of glass according to component shown in the table one, is mixed 0.5wt% Erbia, 0.25wt% Dithulium trioxide and 4wt% ytterbium oxide in 100 parts of host glasses.Accurately raw materials weighing is put into platinum crucible behind the mix homogeneously, founds 8 hours at 1550 ℃, anneals 2 hours cool to room temperature then down at 500 ℃.Gained glass is through cutting, polishing, clean the glass host material of 0.2 * 1 * 3cm.
The component of table one glass
| Oxide | Mass fraction | Raw material | Quality (gram) |
| Germanium oxide | 59 | Germanium oxide | 59 |
| Aluminium oxide | 24 | Aluminium oxide | 24 |
| Magnesium oxide | 1.5 | Magnesium oxide | 1.5 |
| Sodium oxide | 15.5 | Sodium carbonate | 26.5 |
The preparation of fiber waveguide; With above-mentioned gained glass host material thermal evaporation deposit 180nm aluminum mask under the dust free room condition, make 6 microns wide aluminum thin-film waveguide window with standard micro fabrication process and wet-chemical etching then, in ion exchanging furnace; Put into high pure nitric acid potassium, carry out K at 380 ℃
+-Na
+Ion exchange 4 hours obtains the fiber waveguide of single mode.Behind the furnace cooling, take out and clean, remove the aluminum mask, and the waveguide both ends of the surface are polished.
When 980nm pump light laser instrument and power connection; The waveguide of pump light exciting light; Send the light of 652nm HONGGUANG, 546nm green glow, three kinds of different wave lengths of 478nm blue light; Through regulating pumping light power, three kinds of different wave length light intensities change and change along with pumping light power, thereby can obtain warm white, pure white light, cold white light., exciting power obtains pure white light when reaching 340 milliwatts.
Claims (2)
1. medical endoscope white light source; It by 980nm pump light laser instrument (1), rear-earth-doped glass-based fiber waveguide (3), lose optical fiber (5), laser instrument and optical waveguide coupled parts (2), fiber waveguide and lose optical fiber coupling component (4) and form, it is characterized in that: be of coupled connections through laser instrument and optical waveguide coupled parts (2) between said 980nm pump light laser instrument (1) and the rear-earth-doped glass-based fiber waveguide (3); Rear-earth-doped glass-based fiber waveguide (3) and lose between the optical fiber (5) through fiber waveguide with lose optical fiber coupling component (4) and be of coupled connections;
Wherein: the composition of glass in the said rear-earth-doped glass-based fiber waveguide (3); It comprises the host glass of 100 mass parts, and the rare earth oxide that in said host glass, mixes comprises that the Erbia mass fraction is 0.2-6; The Dithulium trioxide mass fraction is 0.1-3, and the ytterbium oxide mass fraction is 2-8; Said host glass contains germanium oxide mass fraction 50-65, aluminium oxide quality umber 20-35, magnesium oxide quality umber 1-10, sodium oxide mass fraction 10-20.
2. the method for preparing of a kind of medical endoscope white light source as claimed in claim 1; It is characterized in that: after said rear-earth-doped glass-based fiber waveguide (3) is passed through the coupling of laser instrument and optical waveguide coupled parts (2) with 980nm pump light laser instrument (1); Under the exciting of 980nm pump light laser instrument (1), produce the white light of high brightness, one way propagation; Pass through rear-earth-doped glass-based fiber waveguide (3) again and lose the coupling of optical fiber coupling component (4) interface, import the illumination that optical fiber is observed the district; Wherein: the preparation process of said rear-earth-doped glass-based fiber waveguide is:
A. the preparation of glass is formed according to above-mentioned glass, and accurately raw materials weighing is put into platinum crucible behind the mix homogeneously, founds 4-10 hour at 1500-1600 ℃, anneals 2 hours cool to room temperature then down at 500-550 ℃; Gained glass through the cutting, the polishing, clean glass host material;
B. the preparation of fiber waveguide obtains the wide aluminum film of 4-10 micron with above-mentioned gained glass host material through photoetching and wet-chemical etching, in ion exchanging furnace, puts into high pure nitric acid potassium, carries out ion exchange 2-8 hour at 360-400 ℃, obtains the fiber waveguide of single mode; Behind the furnace cooling, take out and clean, the two ends polishing obtains rear-earth-doped glass-based fiber waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010566216A CN102038483B (en) | 2010-11-30 | 2010-11-30 | White light source of medical endoscope and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010566216A CN102038483B (en) | 2010-11-30 | 2010-11-30 | White light source of medical endoscope and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102038483A CN102038483A (en) | 2011-05-04 |
| CN102038483B true CN102038483B (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010566216A Expired - Fee Related CN102038483B (en) | 2010-11-30 | 2010-11-30 | White light source of medical endoscope and preparation method thereof |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3873621B2 (en) * | 2000-12-27 | 2007-01-24 | 株式会社村田製作所 | Rod lens |
| US20090131800A1 (en) * | 2007-11-15 | 2009-05-21 | Carestream Health, Inc. | Multimodal imaging system for tissue imaging |
| DE102007063463B4 (en) * | 2007-12-20 | 2010-06-10 | Schott Ag | Core glass in the alkali-zinc-silicate glass system for a fiber optic light guide and the use of the core glass in a light guide |
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- 2010-11-30 CN CN201010566216A patent/CN102038483B/en not_active Expired - Fee Related
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| CN102038483A (en) | 2011-05-04 |
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