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
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- shaped
- shaped optical
- corrosive liquid
- fibre
- 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.)
- Pending
Links
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
Landscapes
- 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
The present invention provides a kind of U-shaped fibre-optical probe preparation methods, comprising the following steps: optical fiber both ends are fixed on bracket and form U-shaped optical fiber by step 1；Step 2 immerses the bottom end of U-shaped optical fiber in primary coating layer corrosive liquid, after the coat on the U-shaped optical fiber peels off, the U-shaped optical fiber is taken out, and clean U-shaped optical fiber with deionized water；Step 3 will immerse in covering corrosive liquid by the bottom end of step 2 treated U-shaped optical fiber, after the covering corrosion on the U-shaped optical fiber, will the U-shaped optical fiber taking-up, and clean U-shaped optical fiber with deionized water；Step 4 will immerse in secondary coat corrosive liquid by the bottom end of step 3 treated U-shaped optical fiber, after the coat on the U-shaped optical fiber peels off, U-shaped optical fiber taken out, and clean with deionized water to get U-shaped fibre-optical probe is arrived.It can realize that the manufacture craft of U-shaped optical fiber is simple using the technical program, and realize that the various parameters of U-shaped optical fiber are controllable.
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)
1. a kind of U-shaped fibre-optical probe preparation method, it is characterised in that the following steps are included:
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, the bottom end of U-shaped optical fiber is soaked
Enter in the primary coating layer corrosive liquid, after the coat on the U-shaped optical fiber peels off, the U-shaped optical fiber is applied from primary
It is taken out in coating 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 immersion by step 2 treated U-shaped optical fiber
In the covering corrosive liquid, after the covering corrosion on the U-shaped optical fiber, the U-shaped optical fiber is taken out from covering corrosive liquid,
And U-shaped optical fiber is cleaned with deionized water；
Step 4 is prepared the mixed solution of the concentrated sulfuric acid and hydrogen peroxide as secondary coat corrosive liquid, will be handled by step 3
The bottom end of U-shaped optical fiber afterwards is immersed in the secondary coat corrosive liquid, will after the coat on the U-shaped optical fiber peels off
The U-shaped optical fiber takes out from secondary coat corrosive liquid, and is cleaned with deionized water to get U-shaped fibre-optical probe is arrived.
2. U-shaped fibre-optical probe preparation method described in accordance with the claim 1, it is characterised in that: the bottom end of the U-shaped optical fiber is successively
It is incremented by successively to immerse primary coating layer corrosive liquid, covering corrosive liquid, the height in secondary coat corrosive liquid.
3. U-shaped fibre-optical probe preparation method described in accordance with the claim 1, it is characterised in that: by the bottom end for changing U-shaped optical fiber
The height of primary coating layer corrosive liquid is immersed to adjust the sensing section length of U-shaped optical fiber.
4. U-shaped fibre-optical probe preparation method described in accordance with the claim 1, it is characterised in that: corroded by changing the covering
Concentration, etching time and the temperature of liquid adjust the sensing unit diameter of U-shaped optical fiber.
5. U-shaped fibre-optical probe preparation method described in accordance with the claim 1, it is characterised in that: the optical fiber be single mode optical fiber or
One of multimode fibre or extraordinary silica fibre.
6. U-shaped fibre-optical probe preparation method according to claim 1, it is characterised in that: the primary coating layer corrosive liquid
And the volume ratio range of the concentrated sulfuric acid and hydrogen peroxide in secondary coat corrosive liquid is 1:1 to 3:1.
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 |
Applications Claiming Priority (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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109455955A true CN109455955A (en) | 2019-03-12 |
Family
ID=65608175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811240100.6A Pending CN109455955A (en) | 2018-10-23 | 2018-10-23 | A kind of U-shaped fibre-optical probe preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109455955A (en) |
Cited By (2)
| 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 |
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 | Fiber core type colloid crystal microstructure optical fiber and preparation method thereof |
| 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 | Fiber core type colloid crystal microstructure optical fiber and preparation method thereof |
| 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 (2)
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109855760B (en) | Echo wall mode resonant cavity temperature sensor and preparation method thereof | |
| CN107677390B (en) | Preparation method of fused-cone type optical fiber Mach-Zehnder sensor | |
| CN109455955A (en) | A kind of U-shaped fibre-optical probe preparation method | |
| CN107576620B (en) | All-fiber microfluidic chip based on side holes and dumbbell fibers | |
| Zhong et al. | High-quality fiber fabrication in buffered hydrofluoric acid solution with ultrasonic agitation | |
| CN102565925B (en) | Method for preparing microfine optical fiber by adopting chemical corrosion method | |
| CN105784639A (en) | High-sensitivity refractive index sensor of photonic crystal fibers and production method | |
| Liu et al. | Refractive index sensor based on tapered PCF in-line interferometer | |
| CN111398222A (en) | Optical fiber refractive index sensor based on Mach-Zehnder interferometry | |
| CN102507497B (en) | Refractive index sensor based on optical fiber and measurement method | |
| CN101190829B (en) | Method for preparing optical fiber SPR sensor gold film by microwave radiation assisted chemical plating | |
| CN2870237Y (en) | Micro-optical-fiber ring knot optical resonance cavity | |
| Alves et al. | Influence of surface roughness on the sensitivity of a D-shaped optical fiber-based refractive index sensor | |
| CN103100307A (en) | Characterization method of interface combination condition of enhancement type hollow fiber membrane | |
| Guan et al. | Characteristics of near-surface-core optical fibers | |
| Zhao et al. | Ultra-short fiber Bragg grating composed of cascaded microchannels in a microprobe for refractive index measurement | |
| CN106873078B (en) | Micro- deformation high mechanical strength welding process of microstructured optical fibers and quartz capillary | |
| CN102383177A (en) | Method for preparing porous silicon on silicon-on insulator (SOI) | |
| CN113465771A (en) | Optical fiber temperature sensing device based on vernier effect | |
| CN104090329A (en) | Fiber optical tweezers based on multimode fiber with gradually changing refraction index and using method thereof | |
| CN210005129U (en) | fusion-free F-P cavity optical fiber temperature sensing device | |
| CN107200484B (en) | Optical fiber corrosion device | |
| CN108168583B (en) | Double-parameter optical fiber sensor prepared based on chemical corrosion combined with discharge welding | |
| CN110231104A (en) | It is a kind of based on the F-P High-termperature Optical Fiber Sensor and preparation method thereof being electroplated in situ | |
| Supian et al. | Polymer optical fiber tapering using chemical solvent and polishing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190312 |