CN203551832U - A metallic capillary attenuated total reflection infrared hollow-core fiber - Google Patents
A metallic capillary attenuated total reflection infrared hollow-core fiber Download PDFInfo
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- CN203551832U CN203551832U CN201320657304.6U CN201320657304U CN203551832U CN 203551832 U CN203551832 U CN 203551832U CN 201320657304 U CN201320657304 U CN 201320657304U CN 203551832 U CN203551832 U CN 203551832U
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- Prior art keywords
- total reflection
- capillary
- hollow
- attenuated total
- optical fiber
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- 238000005102 attenuated total reflection Methods 0.000 title claims abstract description 43
- 239000000835 fiber Substances 0.000 title abstract description 33
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical group O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229940119177 germanium dioxide Drugs 0.000 claims abstract description 13
- 239000013307 optical fiber Substances 0.000 claims description 52
- 239000002184 metal Substances 0.000 claims description 46
- 229910052751 metal Inorganic materials 0.000 claims description 46
- 239000011248 coating agent Substances 0.000 claims description 23
- 238000000576 coating method Methods 0.000 claims description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 18
- 230000005540 biological transmission Effects 0.000 abstract description 14
- 230000008021 deposition Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 229910052594 sapphire Inorganic materials 0.000 description 5
- 239000010980 sapphire Substances 0.000 description 5
- 238000004483 ATR-FTIR spectroscopy Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004038 photonic crystal Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
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- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The utility model discloses a metallic capillary attenuated total reflection infrared hollow-core fiber comprising a metallic capillary, a reflective film covering the inner surface of the metallic capillary, and a hollow-core region which is a space surrounded by the reflective film in metallic capillary. The metallic capillary attenuated total reflection infrared hollow-core fiber uses the metallic capillary as the main structure of the hollow-core fiber and uses the particularity of liquid deposition of germanium dioxide on the inner surface of the crystalline-state metallic capillary to achieve growth of germanium dioxide optical reflective films with high quality under indoor temperature. Compared with a quartz glass capillary attenuated total reflection hollow-core fiber with a same or similar geometric dimension, the metallic capillary attenuated total reflection infrared hollow-core fiber has better toughness and heat-dissipating performance and lower optical transmission loss.
Description
Technical field
The utility model relates to photoelectron material and devices field, relates in particular to a kind of metal capillary attenuated total reflection infrared hollow optical fiber.
Background technology
LONG WAVE INFRARED electromagnetic wave, especially wavelength are in the second atmospheric window (8-14 μ CO m)
2laser occupies critical role in military and civilian.CO
2laser line is abundant, approximately have 140 spectral lines, and line width is narrow, CO in addition in 9.1-11.3 micrometer range
2energy of lasers conversion efficiency and output power are higher, and this laser can be applied to the fields such as active infra-red laser acquisition, the medical treatment of laser life, low-gap semiconductor electron spin regulation and control, laser weapon, laser ignition, forming materials processing and LONG WAVE INFRARED communication.And with Optical Fiber Transmission LONG WAVE INFRARED CO
2laser is one of key issue of these applications always.
For many years, scientists is for CO
2laser Transmission problem has been carried out the research of infrared real core fibre (sulfide, halogenide and fluoride fiber), hollow-core fiber and photonic crystal fiber.Wherein hollow-core fiber is take air as transmission medium, simple in structure, endless reflection.Hollow-core fiber has two kinds of leakage type and fully-reflected types.Leakage type hollow-core fiber relies on the mirror-reflection of metal pair light to realize CO
2the transmission of laser.Fully-reflected type hollow-core fiber is by air directive refractive index (n according to light
r) be less than the principle that 1 reflectance coating produces total reflection and realize CO
2the transmission of laser.
The total reflection hollow-core fibers such as germanate glass, sapphire single-crystal, silit and germanium oxide polycrystalline based on Inorganic Non-metallic Materials such as glass or sapphire single-crystals, have been researched and developed at present.Wherein, sapphire single-crystal or glass are typical hard brittle materials, and therefore, brittle fracture in use easily appears in the total reflection hollow-core fiber of being made by quartz glass capillary and sapphire single-crystal kapillary.At transmission CO
2during laser, also can because of optical fiber dispel the heat bad and produce fire damage.These factors have restricted glass or the deep application of sapphire single-crystal total reflection hollow-core fiber in above-mentioned each field to a certain extent.
Quartz glass capillary is selected as the agent structure of germanium dioxide total reflection hollow-core fiber conventionally, in the production phase, can react and in quartz glass capillary, deposit germanium dioxide reflectance coating and make optical fiber by high temperature chemical vapor deposition, also have at present the liquid phase deposition of employing in quartz capillary, to deposit germanium dioxide reflectance coating.Quartz capillary after liquid deposition carries out densification and improves crystallization thermal treatment germanium dioxide reflectance coating through the high temperature of 1115-1150 degree Celsius again, finally obtains germanium dioxide attenuated total reflection hollow-core fiber.But quartz glass capillary is meeting embrittlement after the high-temperature heat treatment of thousands of degrees Celsius, and brittle fracture in use more easily occurs.
Utility model content
In order to overcome in prior art the shortcomings such as toughness and thermal diffusivity is poor, the utility model proposes a kind of metal capillary attenuated total reflection infrared hollow optical fiber.
A kind of metal capillary attenuated total reflection infrared hollow optical fiber, comprising: metal capillary; Reflectance coating, it covers on the inside surface of described metal capillary; Hollow district, the space that it surrounds in described metal capillary for described reflectance coating.
The metal capillary attenuated total reflection infrared hollow optical fiber the utility model proposes, described metal capillary comprises nickel kapillary, copper capillary tube or stainless steel capillary.
The metal capillary attenuated total reflection infrared hollow optical fiber the utility model proposes, described reflectance coating is germanium dioxide.
The metal capillary attenuated total reflection infrared hollow optical fiber the utility model proposes, the thickness of described reflectance coating is not less than 4 microns.
The beneficial effects of the utility model comprise:
The utility model metal capillary attenuated total reflection infrared hollow optical fiber adopts metal material as agent structure, and the Toughness Ratio glass of metal is high.The utility model metal capillary attenuated total reflection infrared hollow optical fiber has better toughness than the glass capillary optical fiber of identical physical dimension etc., and the more identical physical dimension quartz glass capillary of the minimal elastic bending radius germanium dioxide hollow-core fiber of corresponding optical fiber significantly reduces.
The utility model metal capillary attenuated total reflection infrared hollow optical fiber adopts metal material as agent structure, and its coefficient of heat conductivity generally exceeds quartz glass 5-50 doubly, and metal capillary hollow-core fiber is at transmission CO
2the quartz glass capillary hollow-core fiber of the more identical physical dimension of heat dispersion in laser process is significantly increased.
The utility model metal capillary attenuated total reflection infrared hollow optical fiber low loss window not only covers 9.8-11.8 micron wave length scope, and compare with quartz glass capillary total reflection germanium dioxide hollow-core fiber identical or approximate geometry size, the utility model also has lower loss window within the scope of 9.8-10.4 micron wave length, has lower CO
2laser Transmission loss.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model metal capillary attenuated total reflection infrared hollow optical fiber.
Fig. 2 is the loss of signal spectrum of stainless steel capillary attenuated total reflection infrared hollow optical fiber in embodiment 1 (1.5 millimeters of interior diameters, 50 microns of wall thickness).
Fig. 3 is the loss of signal spectrum of nickel kapillary attenuated total reflection infrared hollow optical fiber in embodiment 2 (1.5 millimeters of interior diameters, 100 microns of wall thickness).
Fig. 4 is the loss of signal spectrum of copper capillary tube attenuated total reflection infrared hollow optical fiber in embodiment 3 (1.5 millimeters of interior diameters, 100 microns of wall thickness).
Fig. 5 is the loss of signal spectrum of nickel kapillary attenuated total reflection infrared hollow optical fiber in embodiment 4 (1.4 millimeters of interior diameters, 50 microns of wall thickness).
Fig. 6 is the loss of signal spectrum of quartz glass capillary ATR-FTIR hollow-core fiber (1.5 millimeters of interior diameters, 100 microns of wall thickness).
Note: Fig. 2-6 loss spectra is got the test of equal length sample fiber and drawn.
Embodiment
In conjunction with following specific embodiments and the drawings, the utility model is described in further detail.Implement process of the present utility model, condition, experimental technique etc., except the content of mentioning specially below, be universal knowledege and the common practise of this area, the utility model is not particularly limited content.
Introduce metal capillary attenuated total reflection infrared hollow optical fiber of the present utility model below.As shown in Figure 1, the utility model metal capillary attenuated total reflection infrared hollow optical fiber is used for realizing infrared light transmission, especially CO
2the Optical Fiber Transmission of infrared laser, metal capillary attenuated total reflection infrared hollow optical fiber comprises metal capillary 1, reflectance coating 2 and hollow district 3.
This specific embodiment is the metal capillary attenuated total reflection hollow-core fiber of stainless steel, selects 1.5 millimeters of interior diameters, 50 microns of wall thickness, and the stainless steel capillary that length is 2 meters is made the agent structure of optical fiber.The reflectance coating thickness depositing on the inside surface of stainless steel capillary is 10.3 microns.The fracture ballistic work of this stainless steel metal kapillary attenuated total reflection hollow-core fiber is greater than 0.2 joule, 28 centimetres of the minimal elastic that do not rupture bending radius, and loss of signal is composed referring to Fig. 2.20 watts of 10.6 microns of CO of optical fiber stable transfer
2the medial temperature 41 Nie Shi degree (equidistant 6 point measurements are averaged) of laser optical fiber surface length direction after 10 minutes, transmit 20 watts of 10.6 microns of CO
2the loss value of laser is 0.59dB/m, transmits 20 watts of 10.2 microns of CO
2the loss value of laser is 0.48dB/m (more low loss window of corresponding 9.8-10.4 micron).
This specific embodiment is selected 1.5 millimeters of interior diameters, 100 microns of wall thickness, and the nickel kapillary that length is 1.3 meters is made the agent structure of optical fiber.The reflectance coating thickness depositing on nickel inside surface capillaceous is 10.7 microns.The fracture ballistic work of this metallic nickel kapillary attenuated total reflection hollow-core fiber is greater than 0.2 joule, 39 centimetres of the minimal elastic that do not rupture bending radius, and loss of signal is composed referring to Fig. 3.20 watts of 10.6 microns of CO of optical fiber stable transfer
2the medial temperature 38 of laser optical fiber surface length direction after 10 minutes is spent (equidistant 6 point measurements are averaged), transmits 20 watts of 10.6 microns of CO
2the loss value of laser is 0.51dB/m, transmits 20 watts of 10.2 microns of CO
2the loss value of laser is 0.42dB/m (more low loss window of corresponding 9.8-10.4 micron).
This specific embodiment is selected 1.5 millimeters of interior diameters, 100 microns of wall thickness, and the copper capillary tube that length is 1.2 meters is made the agent structure of optical fiber.The reflectance coating thickness depositing on the inside surface of copper capillary tube is 5.2 microns.The fracture ballistic work of this metallic copper kapillary attenuated total reflection hollow-core fiber is greater than 0.2 joule, 28 centimetres of the minimal elastic that do not rupture bending radius, and loss of signal is composed referring to Fig. 4.20 watts of 10.6 microns of CO of optical fiber stable transfer
2the medial temperature 38 of laser optical fiber surface length direction after 10 minutes is spent (equidistant 6 point measurements are averaged), transmits 20 watts of 10.6 microns of CO
2the loss value of laser is 0.81dB/m, transmits 20 watts of 10.2 microns of CO
2the loss value of laser is 0.67dB/m (more low loss window of corresponding 9.8-10.4 micron).
Embodiment 4
This specific embodiment is selected 1.4 millimeters of interior diameters, 50 microns of wall thickness, and the nickel kapillary that length is 2 meters is made the agent structure of optical fiber.The reflectance coating thickness depositing on nickel inside surface capillaceous is 9.1 microns.The fracture ballistic work of this metallic nickel kapillary attenuated total reflection hollow-core fiber is greater than 0.2 joule, 29 centimetres of the minimal elastic that do not rupture bending radius, and loss of signal is composed referring to Fig. 5.20 watts of 10.6 microns of CO of optical fiber stable transfer
2the medial temperature 36 of laser optical fiber surface length direction after 10 minutes is spent (equidistant 6 point measurements are averaged), transmits 20 watts of 10.6 microns of CO
2the loss value of laser is 0.62dB/m, transmits 20 watts of 10.2 microns of CO
2the loss value of laser is 0.53dB/m (more low loss window of corresponding 9.8-10.4 micron).
The metal capillary attenuated total reflection infrared hollow optical fiber the utility model proposes is as shown in table 1 with the correlation parameter of the quartz glass capillary attenuated total reflection infrared hollow optical fiber that utilizes prior art to prepare.
Table 1: the correlation parameter contrast of metal capillary attenuated total reflection infrared hollow optical fiber and quartz glass capillary attenuated total reflection infrared hollow optical fiber
As shown in table 1, the heat drying of the utility model 150 degrees Celsius of the highest need in manufacture craft, has avoided needing in prior art the pyroprocessing of thousands of degree, has retained the intrinsic high tenacity feature of metal capillary.From fibercuts ballistic work and the minimal elastic bending radius value that do not rupture, the toughness of the utility model optical fiber has larger improvement compared with quartz glass capillary ATR-FTIR hollow-core fiber.
Thermal diffusivity aspect, as known from Table 1, in lasting laser energy transmitting procedure, compared with the low 3-5 of quartz glass capillary attenuated total reflection infrared hollow optical fiber doubly, thermal diffusivity is better for the surface temperature of metal capillary attenuated total reflection infrared hollow optical fiber.
Laser Transmission loss aspect, the loss of signal of metal capillary attenuated total reflection infrared hollow optical fiber is lower than quartz glass capillary ATR-FTIR hollow-core fiber, especially in 10.2 micron wave strong points.What Fig. 6 showed is the loss spectra of existing quartz glass capillary germanium dioxide attenuated total reflection infrared hollow optical fiber, compared to Fig. 2 to Fig. 5, can find that the utility model metal capillary attenuated total reflection infrared hollow optical fiber also has lower loss window in the scope of 9.8-10.4 micron wave length.
Protection content of the present utility model is not limited to above embodiment.Do not deviating under the spirit and scope of utility model, variation and advantage that those skilled in the art can expect are all included in the utility model, and take appending claims as protection domain.
Claims (4)
1. a metal capillary attenuated total reflection infrared hollow optical fiber, is characterized in that, comprising:
Metal capillary (1);
Reflectance coating (2), it covers on the inside surface of described metal capillary (1);
Hollow district (3), the space that it surrounds in described metal capillary (1) for described reflectance coating (2).
2. metal capillary attenuated total reflection infrared hollow optical fiber as claimed in claim 1, is characterized in that, described metal capillary (1) comprises nickel kapillary, copper capillary tube or stainless steel capillary.
3. metal capillary attenuated total reflection infrared hollow optical fiber as claimed in claim 1, is characterized in that, described reflectance coating (2) is germanium dioxide.
4. metal capillary attenuated total reflection infrared hollow optical fiber as claimed in claim 1, is characterized in that, the thickness of described reflectance coating (2) is not less than 4 microns.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657304.6U CN203551832U (en) | 2013-10-23 | 2013-10-23 | A metallic capillary attenuated total reflection infrared hollow-core fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657304.6U CN203551832U (en) | 2013-10-23 | 2013-10-23 | A metallic capillary attenuated total reflection infrared hollow-core fiber |
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| CN203551832U true CN203551832U (en) | 2014-04-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991733A (en) * | 2016-10-27 | 2018-05-04 | 华东师范大学 | Metal capillary germanium dioxide dielectric film mid and far infrared hollow-core fiber and preparation |
| CN115779277A (en) * | 2022-11-03 | 2023-03-14 | 东北大学 | Infrared light nerve regulation and control method and storage medium for brain severe diseases |
-
2013
- 2013-10-23 CN CN201320657304.6U patent/CN203551832U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991733A (en) * | 2016-10-27 | 2018-05-04 | 华东师范大学 | Metal capillary germanium dioxide dielectric film mid and far infrared hollow-core fiber and preparation |
| CN115779277A (en) * | 2022-11-03 | 2023-03-14 | 东北大学 | Infrared light nerve regulation and control method and storage medium for brain severe diseases |
| CN115779277B (en) * | 2022-11-03 | 2024-04-12 | 东北大学 | Infrared light nerve regulation and control method and storage medium for serious brain diseases |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |