CN203849453U - Carbon-coated sealed anti-hydrogen optical fiber - Google Patents
Carbon-coated sealed anti-hydrogen optical fiber Download PDFInfo
- Publication number
- CN203849453U CN203849453U CN201420231081.1U CN201420231081U CN203849453U CN 203849453 U CN203849453 U CN 203849453U CN 201420231081 U CN201420231081 U CN 201420231081U CN 203849453 U CN203849453 U CN 203849453U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- carbon
- hydrogen
- sealing
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 58
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 40
- 239000001257 hydrogen Substances 0.000 title claims abstract description 28
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 34
- 239000011521 glass Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 238000005253 cladding Methods 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 19
- 239000011247 coating layer Substances 0.000 claims description 6
- -1 acryl Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- 238000005229 chemical vapour deposition Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000010287 polarization Effects 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 6
- 230000009545 invasion Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910003481 amorphous carbon Inorganic materials 0.000 abstract 1
- 230000002929 anti-fatigue Effects 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 239000001307 helium Substances 0.000 description 5
- 229910052734 helium Inorganic materials 0.000 description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000012681 fiber drawing Methods 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The utility model relates to the technical field of optical fiber manufacturing, and in particular relates to a carbon-coated sealed anti-hydrogen optical fiber. The carbon-coated sealed anti-hydrogen optical fiber comprises fiber core and a cladding outside the fiber core. The fiber core is glass fiber core. A carbon-coated layer is arranged outside the cladding. The carbon-coated layer is coated by a resin coating. According to the utility model, the amorphous carbon-coated layer is added outside the glass optical fiber, which can effectively resist the invasion of hydroxyl, prevents the expansion of a micro crack on the surface of the optical fiber, and increases the anti-fatigue service life of the optical fiber; the stability of 1383nm water peak of the optical fiber can be ensured in a hydrogen-rich environment; the application of the optical fiber in a harsh environment is expanded; and the carbon-coated sealed anti-hydrogen optical fiber can be used in aviation and military industry, oil and gas field and other special fields.
Description
Technical field
The utility model relates to optic fibre manufacturing technology field, is specifically related to a kind of carbon and applies the anti-hydrogen optical fiber of sealing.
Background technology
Along with the expansion in fiber optic applications field, the fiber optic applications under more particular surroundingss is promoted.Such as oil gas field down-hole application, undersea detection etc.Conventional fiber adopts acryl resin to apply at present, and its Nd value is 25 left and right; Routine need to be carried out deuterium gas disposal, avoids 1383nm wavelength loss to increase along with the infiltration of hydroxyl in follow-up use procedure.Meanwhile, ordinary optic fibre cannot avoid hydrogen and hydroxyl infiltration macromolecule layer to be combined with glass surface.As time goes on, glass optical fiber crizzle can progressively increase, and fibre tensile strength has obvious decline, and serviceable life is affected by environment large.
Utility model content
For the deficiency existing in prior art, the utility model provides one to be highly resistant to hydroxyl invasion, prevents that optical fiber surface micro-crack extension, the optical fiber carbon that tensile strength is high, the endurance life-span is long from applying the anti-hydrogen optical fiber of sealing.
To achieve these goals, the utility model is to realize by the following technical solutions:
A kind of carbon applies the anti-hydrogen optical fiber of sealing, comprises the covering outside fibre core and fibre core, and the fibre core described in it is glass core, and described covering arranges carbon coat outward, carbon coat outer cladding resin coating layer.
Above-mentioned a kind of carbon applies the anti-hydrogen optical fiber of sealing, and the glass core described in it is single-mode fiber, multimode optical fiber or special optical fiber.
Above-mentioned a kind of carbon applies the anti-hydrogen optical fiber of sealing, and the special optical fiber described in it comprises polarization maintaining optical fibre or rare-earth doped optical fibre.
Above-mentioned a kind of carbon applies the anti-hydrogen optical fiber of sealing, and the resin coating layer described in it is made up of acryl resin, silicon rubber, polyimide or polyetheretherketonematerials materials.
Above-mentioned a kind of carbon applies the anti-hydrogen optical fiber of sealing, and the carbon coat described in it adopts CVD chemical vapor deposition method to form.
Above-mentioned a kind of carbon applies the anti-hydrogen optical fiber of sealing, and the coating thickness of the carbon coat described in it is 25～85nm.
Above-mentioned a kind of carbon applies the anti-hydrogen optical fiber of sealing, and the roughness of the carbon coat described in it is less than 5nm.
Beneficial effect:
The utility model, by increased one deck agraphitic carbon coat at glass optical fiber skin, can effectively be resisted hydroxyl invasion, prevents the expansion of optical fiber surface micro-crack, increases the optical fiber endurance life-span.Can ensure that optical fiber is under the environment of rich hydrogen, the stability at 1383nm water peak simultaneously.Meanwhile, expand the application of optical fiber under rugged surroundings, can be used for the special dimensions such as space flight military project, oil gas field.
Brief description of the drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structural representation of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
With reference to Fig. 1, the utility model comprises the covering 2 outside glass core 1 and fibre core, the outer carbon coat 3 that arranges of covering 2, carbon coat 3 outer cladding resin coating layer 4.Glass core 1 is single-mode fiber, multimode optical fiber, polarization maintaining optical fibre or rare-earth doped optical fibre.Resin coating layer 4 is made up of acryl resin, silicon rubber, polyimide or polyetheretherketonematerials materials.Carbon coat 3 adopts CVD chemical vapor deposition method to form, and thickness is 25～85nm, and roughness is less than 5nm.
Embodiment 1
Fiber type is common G.652D single-mode fiber.CVD precipitation equipment is installed on the about 25cm of fiber drawing furnace end opening position, and in the time that drawing speed is 500m/min, measuring fiber temperature is 1100 DEG C.CVD precipitation equipment sealing gland gas is argon gas, and flow is 5L/min; Cracked gas is acetylene, helium mix gas, and flow is respectively: 0.6L/min, 2L/min.
Measuring fiber carbon film thickness is 45nm; Optical fiber Nd is 166; Fibre tensile strength is 4.6GPa; After optical fiber high pressure hydrogen loss, 1240nm wavelength added losses are 0.06dB/km.
Embodiment 2
Fiber type is common G.652D single-mode fiber.CVD precipitation equipment is installed on the about 30cm of fiber drawing furnace end opening position, and in the time that drawing speed is 800m/min, measuring fiber temperature is 1130 DEG C.CVD precipitation equipment sealing gland gas is argon gas, and flow is 5L/min; Cracked gas is propane, helium mix gas, and flow is respectively: 1.0L/min, 1.8L/min.
Measuring fiber carbon film thickness is 59nm; Optical fiber Nd is 195; Fibre tensile strength is 4.2GPa; After optical fiber high pressure hydrogen loss, 1240nm wavelength added losses are 0.035dB/km.
Embodiment 3
Fiber type is common G.652D single-mode fiber.CVD precipitation equipment is installed on the about 30cm of fiber drawing furnace end opening position, and in the time that drawing speed is 800m/min, measuring fiber temperature is 1130 DEG C.CVD precipitation equipment sealing gland gas is argon gas, and flow is 5L/min; Cracked gas is propane, bubbling chloroform, helium mix gas, and flow is respectively: propane 0.5L/min, bubbling helium 0.2L/min; Mix helium 1.8L/min.
Measuring fiber carbon film thickness is 52nm; Optical fiber Nd is 233; Fibre tensile strength is 4.9GPa; After optical fiber high pressure hydrogen loss, 1240nm wavelength added losses are 0.015dB/km.
The utility model, by increased one deck agraphitic carbon coat at glass optical fiber skin, can effectively be resisted hydroxyl invasion, prevents the expansion of optical fiber surface micro-crack, increases the optical fiber endurance life-span.Can ensure that optical fiber is under the environment of rich hydrogen, the stability at 1383nm water peak simultaneously.Tensile strength of the present utility model is greater than 3.5Gpa; Endurance parameter N d is greater than 100, and representative value is 150-300; In the high pressure hydrogen loss test that is greater than 10bar, 1240nm wavelength added losses are less than 0.2dB/km.Meanwhile, expand the application of optical fiber under rugged surroundings, can be used for the special dimensions such as space flight military project, oil gas field.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. carbon applies the anti-hydrogen optical fiber of sealing, comprises the covering outside fibre core and fibre core, it is characterized in that, described fibre core is glass core, described covering arranges carbon coat outward, carbon coat outer cladding resin coating layer, and the coating thickness of described carbon coat is 25～85nm.
2. a kind of carbon according to claim 1 applies the anti-hydrogen optical fiber of sealing, it is characterized in that, described glass core is single-mode fiber, multimode optical fiber or special optical fiber.
3. a kind of carbon according to claim 2 applies the anti-hydrogen optical fiber of sealing, it is characterized in that, described special optical fiber comprises polarization maintaining optical fibre or rare-earth doped optical fibre.
4. a kind of carbon according to claim 1 applies the anti-hydrogen optical fiber of sealing, it is characterized in that, described resin coating layer is made up of acryl resin, silicon rubber, polyimide or polyetheretherketonematerials materials.
5. a kind of carbon according to claim 1 applies the anti-hydrogen optical fiber of sealing, it is characterized in that, described carbon coat adopts CVD chemical vapor deposition method to form.
6. a kind of carbon according to claim 1 applies the anti-hydrogen optical fiber of sealing, it is characterized in that, the roughness of described carbon coat is less than 5nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231081.1U CN203849453U (en) | 2014-05-07 | 2014-05-07 | Carbon-coated sealed anti-hydrogen optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231081.1U CN203849453U (en) | 2014-05-07 | 2014-05-07 | Carbon-coated sealed anti-hydrogen optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849453U true CN203849453U (en) | 2014-09-24 |
Family
ID=51562452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420231081.1U Expired - Lifetime CN203849453U (en) | 2014-05-07 | 2014-05-07 | Carbon-coated sealed anti-hydrogen optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849453U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941332A (en) * | 2014-05-07 | 2014-07-23 | 江苏亨通光纤科技有限公司 | Carbon coated sealing hydrogen-resistant optical fiber |
| CN106842465A (en) * | 2016-12-27 | 2017-06-13 | 山东太平洋光纤光缆有限公司 | A kind of used in nuclear power station optical cable and preparation method thereof |
| CN111025457A (en) * | 2019-12-31 | 2020-04-17 | 武汉理工大学 | Special fiber grating suitable for marine environment and preparation method thereof |
-
2014
- 2014-05-07 CN CN201420231081.1U patent/CN203849453U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941332A (en) * | 2014-05-07 | 2014-07-23 | 江苏亨通光纤科技有限公司 | Carbon coated sealing hydrogen-resistant optical fiber |
| CN106842465A (en) * | 2016-12-27 | 2017-06-13 | 山东太平洋光纤光缆有限公司 | A kind of used in nuclear power station optical cable and preparation method thereof |
| CN106842465B (en) * | 2016-12-27 | 2019-10-25 | 山东太平洋光纤光缆有限公司 | A kind of used in nuclear power station optical cable and preparation method thereof |
| CN111025457A (en) * | 2019-12-31 | 2020-04-17 | 武汉理工大学 | Special fiber grating suitable for marine environment and preparation method thereof |
| CN111025457B (en) * | 2019-12-31 | 2021-01-26 | 武汉理工大学 | Special fiber grating suitable for marine environment and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |