CN103553367A - Method for post-treatment preparation of smooth corroded optical fiber surface - Google Patents

Method for post-treatment preparation of smooth corroded optical fiber surface Download PDF

Info

Publication number
CN103553367A
CN103553367A CN201310466021.8A CN201310466021A CN103553367A CN 103553367 A CN103553367 A CN 103553367A CN 201310466021 A CN201310466021 A CN 201310466021A CN 103553367 A CN103553367 A CN 103553367A
Authority
CN
China
Prior art keywords
optical fiber
solution
corrosion
smooth
fiber surface
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
Application number
CN201310466021.8A
Other languages
Chinese (zh)
Inventor
刘锐
闫大鹏
李成
施建宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Raycus Fiber Laser Technologies Co Ltd
Original Assignee
Wuhan Raycus Fiber Laser Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Raycus Fiber Laser Technologies Co Ltd filed Critical Wuhan Raycus Fiber Laser Technologies Co Ltd
Priority to CN201310466021.8A priority Critical patent/CN103553367A/en
Publication of CN103553367A publication Critical patent/CN103553367A/en
Pending legal-status Critical Current

Links

Images

Abstract

The invention relates to a method for post-treatment preparation of a smooth corroded optical fiber surface, and the method comprises salt solution treatment and ultrasonic treatment of a corroded rough optical fiber surface. The method is applicable to various types of optical fibers. In order to prepare the smooth corroded fiber surface, the invention provides a simple and effective post-treatment method. The method is completed as follows: putting a rough optical fiber prepared by HF solution corrosion into a salt solution for ultrasonic treatment, and the smooth corroded optical fiber surface can be obtained by the post-treatment method. The method has the following advantages: 1, bubbles and sols on the optical fiber surface can be transformed into precipitations by a simple chemical reaction, and the treatment dose no harm to the optical fiber itself and is simple in operation; and 2, according to the method, ultrasonic wave effects are added, under the ultrasonic wave effects, the precipitations produced by the chemical reaction can be well fallen into the solution, and the preparation time is effectively shortened.

Description

The method of smooth corrosion optical fiber surface is prepared in a kind of aftertreatment
Technical field:
The present invention relates to fiber optical corrosive technical field, relate to the uneven surface optical fiber that has that corrosion is obtained and carry out aftertreatment, reach the object that obtains smooth optical fiber surface, be specifically related to the method that aftertreatment obtains smooth corrosion optical fiber surface.
Technical background:
At present generally take chemical corrosion method to control the diameter of optical fiber, to carry out deep processing.But the chemical optical fibre etch of bibliographical information has following shortcoming: circulation ratio is bad, and etching time is long, not easy to operate, the optical fiber surface after corrosion still has necessarily coarse.Reflectivity after fiber optical corrosive is subject to the impact of surfaceness, and smooth corrosion surface has good boundary reflection.Therefore the smooth corrosion optical fiber surface of research acquisition has important theory and realistic meaning.As far as we know, at present also not about utilizing simple post-treating method can realize the report that obtains smooth corrosion optical fiber surface.
Summary of the invention:
Defect and problem that object of the present invention exists in order to overcome prior art, provide a kind of aftertreatment to prepare the method for smooth corrosion optical fiber surface, method of the present invention is placed in salts solution supersound process and completes by HF solution corrosion being obtained to coarse optical fiber, and this kind of post-treating method can obtain smooth corrosion optical fiber surface.
Mainly there is following chemical reaction (1-4) in fiber optical corrosive, optical fiber surface produces bubble SiF 4with colloidal sol H 2siF 6, corrosion product is gathered in optical fiber surface, has formed coarse surface, the bubble SiF producing in order to remove surface 4with colloidal sol H 2siF 6, by bubble SiF 4with colloidal sol H 2siF 6by chemical reaction, be converted into precipitation H 4siO 4and Na 2siF 6, then by ultrasonic, precipitation is removed from optical fiber surface vibrations, to synthesize smooth optical fiber surface, relative theory is as shown in reaction (5) and (6).The object of the invention is the rough electrochemical corrosion optical fiber surface that corrosion obtains for ordinary method, provide a kind of effective aftertreatment to prepare the method for smooth corrosion optical fiber surface, and can shorten the time of aftertreatment.
SiO 2+2H 2O→Si(OH) 4 (1)
Si(OH) 4+4HF→SiF 4↑+4H 2O (2)
3SiF 4+ 2H 2o → 2H 2siF 6↓ (gel)+SiO 2(3)
SiF 4+ 2HF → H 2siF 6↓ (gel) (4)
SiF 4+ Na 2cO 3+ H 2o → H 4siO 4↓ (precipitation)+Na 2siF 6↓ (precipitation)+CO 2↑ (5)
H 2siF 6+ Na 2cO 3→ Na 2siF 6↓ (precipitation)+CO 2↑+H 2o (6)
The present invention solves the problems of the technologies described above adopted technical scheme:
A method for smooth corrosion optical fiber surface is prepared in aftertreatment, it is characterized in that including following steps:
1) take ordinary optic fibre as starting material, the sulphuric acid soln that is 98.0% by mass concentration erodes the coat of optical fiber surface, obtains nuditing fiber;
2) by step 1) to be placed in volumetric molar concentration be 1.0mol L for the nuditing fiber prepared -1na 2cO 3in solution, supersound process 30s, removes the H that optical fiber surface is mixed with 2sO 4after solution, take out, then will be through Na 2cO 3optical fiber after solution is washed is placed in deionized water for ultrasonic and processes 30s, removes the Na that optical fiber surface may be mixed with 2cO 3;
3) by step 2) nuditing fiber after the processing HF solution that is placed in mass concentration 5.0-60.0% corrodes, etching time 0.8-11.0h.Control fibre diameter, obtain having the optical fiber on rough electrochemical corrosion surface;
4) step 3) to be placed in 50.0mL volumetric molar concentration be 0.01-2.00mol L for the optical fiber with rough electrochemical corrosion surface prepared -1na 2cO 3in solution, stir after 1-20min supersound process 2-40min at temperature 20-90 ℃;
5) by through step 4) optical fiber after processing with smooth corrosion surface is placed in deionized water for ultrasonic 30s, the Na being mixed with to remove optical fiber surface 2cO 3solution, and by the optical fiber air seasoning of taking out, obtain having the optical fiber of smooth corrosion surface.
Described optical fiber is a kind of of single-mode fiber, multimode optical fibers.
The HF concentration of polymer solution of corrosion optical fiber is 5.0-40.0%.
Na 2cO 3the volumetric molar concentration of solution is 0.05-1.50mol L -1.
Optical fiber after HF solution corrosion and Na 2cO 3the mixed churning time of solution is 2-15min.
Corrosion optical fiber and Na 2cO 3after solution mixes, ultrasonic temperature is 30-60 ℃.
Corrosion optical fiber and Na 2cO 3after solution mixes, ultrasonic time is 5-35min.
There is at present report by regulating the proportioning of fiber optical corrosive solution to synthesize smooth corrosion optical fiber surface, also there is report to synthesize smooth corrosion optical fiber surface by controlling reaction conditions, but also, not about utilizing simple post-treating method can realize the report that obtains smooth corrosion optical fiber surface, the present invention can provide a method for preparing smooth corrosion optical fiber surface.The present invention has the following advantages: 1. the bubble of optical fiber surface, colloidal sol are converted into precipitation by simple chemical reaction, this is processed optical fiber itself without any injury, simple to operate.2. the present invention has increased hyperacoustic effect, and under ultrasonic effect, the precipitation that after chemical reaction generates can well be shed in solution, effectively shortens preparation time.
Accompanying drawing explanation:
Fig. 1 is become image after HF solution-treated under opticmicroscope by the different fiber in the present invention: (a) be original fiber figure; (b, c, d) is respectively the surface topography map of optical fiber after different condition chemical corrosion; (e) be respectively and (f) optical fiber through different condition chemical corrosion post-etching-the do not corrode shape appearance figure of contact surface;
Fig. 2 be in embodiment 1 optical fiber finally by Na 2cO 3after the ultrasonic aftertreatment of solution, under opticmicroscope, become image: the optical fiber surface after corrosion (a) and corrode-do not corrode contact surface (b).
Embodiment:
Below in conjunction with drawings and Examples, the present invention will be further described in detail, but this explanation can not be construed as limiting the invention.
The concrete steps that aftertreatment obtains smooth corrosion optical fiber surface are as follows:
1) device that the present invention prepares smooth corrosion optical fiber surface comprises a container of placing deionized water, a container of placing concentrated sulfuric acid solution, and a container of placing HF solution, places Na for one 2cO 3the container of solution, a Ultrasonic Cleaners.
2) the resin surrounding layer of pending optical fiber is carried out to corrosion treatment, detailed process is as follows: the optical fiber using in the present embodiment is single-mode fiber, fibre diameter is 400 μ m, intercepted length is five sections of 10cm single-mode fibers, put into the container (vitriol oil liquid level height 4cm) of the concentrated sulfuric acid solution that mass concentration 98.0% is housed, static corrosion 30min left and right, takes out the optical fiber of removing after resin surrounding layer.
3) by Na 2cO 3be dissolved in and in deionized water, form homogeneous solution, wherein Na 2cO 3volumetric molar concentration be 0.01-2.0mol L -1.
4) five sections of optical fiber removing resin surrounding layer are immersed in to volumetric molar concentration is housed is 1.0mol L -1na 2cO 3(Na in the container of solution 2cO 3liquid level of solution height 6cm), supersound process 30s, takes out after thoroughly washing the concentrated sulfuric acid solution on optical fiber surface.Again by Na 2cO 3optical fiber after solution is washed is placed in deionized water for ultrasonic and processes 30s, removes the Na that optical fiber surface may be mixed with 2cO 3.
5) by step 4) to be placed in respectively mass concentration be that 5.0%, 10.0%, 20.0%, 40.0%, 60.0% HF solution corrodes for five sections of nuditing fibers after processing, the corresponding time is respectively 11.0,5.0,2.3,1.2,0.8h, by regulating the concentration of HF solution and the time of optical fiber immersion HF solution effectively to control fibre diameter, after corrosion, obtain having the optical fiber on rough electrochemical corrosion surface, correspond to respectively Fig. 1 b, Fig. 1 c, Fig. 1 d, Fig. 1 e, Fig. 1 f.
6) step 5) five sections of optical fiber with rough electrochemical corrosion surface preparing are placed in respectively 0.01mol L -1, 0.05mol L -1, 1.0mol L -1, 1.5mol L -1, 2.00mol L -1na 2cO 3in solution, corresponding churning time is respectively after 1min, 2min, 5min, 15min, 20min, corresponding corresponding 2min, 5min, 20min, 35min, the 40min of supersound process at 20 ℃, 30 ℃, 40 ℃, 60 ℃, 90 ℃ respectively again, obtains having the optical fiber of smooth corrosion surface.
7) after being placed in to the ultrasonic 30s of deionized water solution, takes out the optical fiber with smooth corrosion optical fiber surface the Na that may be mixed with to remove optical fiber surface 2cO 3solution, and by the optical fiber air seasoning of taking out, be 5min time of drying, obtains having the optical fiber of smooth corrosion optical fiber surface.
In above-described embodiment, pending optical fiber can also be multimode optical fibers.
Compare former optical fiber as shown in Figure 1a, optical fiber after HF chemical corrosion pattern as shown in Fig. 1 b, Fig. 1 c, Fig. 1 d, Fig. 1 e, Fig. 1 f, optical fiber surface is coarse as shown in Fig. 1 b, Fig. 1 c, Fig. 1 d, fiber optical corrosive-do not corrode shown in the coarse Fig. 1 e of contact interface, Fig. 1 f, in corrosion process, optical fiber surface produces bubble SiF 4with colloidal sol H 2siF 6, corrosion product is gathered in optical fiber surface, has formed coarse surface.Optical fiber after corrosion is placed in to 1.0mol L -1na 2cO 3in solution, stir 5min, at 40 ℃, after supersound process 20min, the optical fiber after processing is done to micro image analysis, corresponding result is as shown in Fig. 2 a, 2b, and the optical fiber after corrosion is through Na 2cO 3after solution supersound process 20min, surface is very as shown in Figure 2 a smooth, is consistent as shown in Figure 1a with original fiber, corrode-does not corrode contact surface and also becomes very smooth as Fig. 2 b institute, meets requirement of experiment completely.According to reaction (5) and (6), the bubble SiF that reaction generates 4with colloidal sol H 2siF 6by chemical reaction, be converted into precipitation H 4siO 4and Na 2siF 6, ultrasonic disturbance contributes to accelerate precipitation and removes from optical fiber surface vibrations.This type of Na 2cO 3the method of the ultrasonic aftertreatment of solution is simple to operate, and the fiber products quality of acquisition is high, is applicable to producing adopting.
The various embodiments described above are only applicable to illustrate the present invention, and wherein the step of implementation method all can change to some extent, and every equivalents of carrying out on technical solution of the present invention basis and improvement, all should not get rid of outside protection scope of the present invention.

Claims (7)

1. a method for smooth corrosion optical fiber surface is prepared in aftertreatment, it is characterized in that including following steps:
1) take ordinary optic fibre as starting material, the sulphuric acid soln that is 98.0% by mass concentration erodes the coat of optical fiber surface, obtains nuditing fiber;
2) by step 1) to be placed in volumetric molar concentration be 1.0mol L for the nuditing fiber prepared -1na 2cO 3in solution, supersound process 30s, removes the H that optical fiber surface is mixed with 2sO 4after solution, take out, then will be through Na 2cO 3optical fiber after solution is washed is placed in deionized water for ultrasonic and processes 30s, removes the Na that optical fiber surface may be mixed with 2cO 3;
3) by step 2) nuditing fiber after the processing HF solution that is placed in mass concentration 5.0-60.0% corrodes, and etching time 0.8-11.0h, obtains having the optical fiber on rough electrochemical corrosion surface;
4) step 3) to be placed in 50.0mL volumetric molar concentration be 0.01-2.00mol L for the optical fiber with rough electrochemical corrosion surface prepared -1na 2cO 3in solution, stir after 1-20min supersound process 2-40min at temperature 20-90 ℃;
5) by through step 4) optical fiber after processing with smooth corrosion surface is placed in deionized water for ultrasonic 30s, the Na being mixed with to remove optical fiber surface 2cO 3solution, and by the optical fiber air seasoning of taking out, obtain having the optical fiber of smooth corrosion surface.
2. the method for smooth corrosion optical fiber surface is prepared in aftertreatment according to claim 1, it is characterized in that: described optical fiber is a kind of of single-mode fiber, multimode optical fibers.
3. aftertreatment according to claim 1 obtains the method for smooth corrosion optical fiber surface, it is characterized in that: the HF concentration of polymer solution of corrosion optical fiber is 5.0-40.0%.
4. aftertreatment according to claim 1 obtains the method for smooth corrosion optical fiber surface, it is characterized in that: Na 2cO 3the volumetric molar concentration of solution is 0.05-1.50mol L -1.
5. aftertreatment according to claim 1 obtains the method for smooth corrosion optical fiber surface, it is characterized in that: the optical fiber after HF solution corrosion and Na 2cO 3the mixed churning time of solution is 2-15min.
6. aftertreatment according to claim 1 obtains the method for smooth corrosion optical fiber surface, it is characterized in that: corrosion optical fiber and Na 2cO 3after solution mixes, ultrasonic temperature is 30-60 ℃.
7. aftertreatment according to claim 1 obtains the method for smooth corrosion optical fiber surface, it is characterized in that: corrosion optical fiber and Na 2cO 3after solution mixes, ultrasonic time is 5-35min.
CN201310466021.8A 2013-10-08 2013-10-08 Method for post-treatment preparation of smooth corroded optical fiber surface Pending CN103553367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310466021.8A CN103553367A (en) 2013-10-08 2013-10-08 Method for post-treatment preparation of smooth corroded optical fiber surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310466021.8A CN103553367A (en) 2013-10-08 2013-10-08 Method for post-treatment preparation of smooth corroded optical fiber surface

Publications (1)

Publication Number Publication Date
CN103553367A true CN103553367A (en) 2014-02-05

Family

ID=50007787

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310466021.8A Pending CN103553367A (en) 2013-10-08 2013-10-08 Method for post-treatment preparation of smooth corroded optical fiber surface

Country Status (1)

Country Link
CN (1) CN103553367A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106949916A (en) * 2016-11-02 2017-07-14 北京信息科技大学 A kind of temperature and strain testing method of the corrosion of use fiber end face
CN110380033A (en) * 2019-07-22 2019-10-25 珠海格力电器股份有限公司 A kind of core-shell material and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6217035A (en) * 1985-07-15 1987-01-26 Furukawa Electric Co Ltd:The Production of base material for optical fiber
CN101286372A (en) * 2008-04-18 2008-10-15 华南理工大学 Method for eliminating optical fibre detecting probe surface honeycomb rough appearance during static corrosion
CN101942700A (en) * 2010-10-20 2011-01-12 南京师范大学 Method for preparing circular cylindrical colloidal crystals based on optical fibers and crystals thereof
CN102162874A (en) * 2011-05-23 2011-08-24 吉林大学 Method for preparing micropore array fiber bragg grating
CN102565925A (en) * 2012-01-17 2012-07-11 清华大学 Method for preparing microfine optical fiber by adopting chemical corrosion method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6217035A (en) * 1985-07-15 1987-01-26 Furukawa Electric Co Ltd:The Production of base material for optical fiber
CN101286372A (en) * 2008-04-18 2008-10-15 华南理工大学 Method for eliminating optical fibre detecting probe surface honeycomb rough appearance during static corrosion
CN101942700A (en) * 2010-10-20 2011-01-12 南京师范大学 Method for preparing circular cylindrical colloidal crystals based on optical fibers and crystals thereof
CN102162874A (en) * 2011-05-23 2011-08-24 吉林大学 Method for preparing micropore array fiber bragg grating
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106949916A (en) * 2016-11-02 2017-07-14 北京信息科技大学 A kind of temperature and strain testing method of the corrosion of use fiber end face
CN110380033A (en) * 2019-07-22 2019-10-25 珠海格力电器股份有限公司 A kind of core-shell material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN102565925B (en) Method for preparing microfine optical fiber by adopting chemical corrosion method
CN103553367A (en) Method for post-treatment preparation of smooth corroded optical fiber surface
CN103199005A (en) Cleaning process method of crystal silicon slice
CN103449731A (en) Method for improving damage threshold of fused quartz optical element
CN110600374A (en) BOE corrosion process method
CN101974785A (en) Cleaning method of policrystalline silicon raw material
CN109290279A (en) A kind of glass light guide plate mildew cleaning process
CN204569729U (en) A kind of preform pickler
CN107021449A (en) Prepare the preparation method and applications at ordered micro-configuration and controllable chemical composition interface
CN107755388A (en) The cleaning method of optical glass
CN107658246A (en) A kind of solar silicon wafers cleaning
CN104766793B (en) A kind of acid tank back side silicon caustic solution
CN104230175B (en) Glass etching liquid and glass etching method
CN104496193A (en) Acid etching equipment for quartz pendulous reed flexible beam
CN105986248A (en) Relaxation-resisting coating method for atom gas chamber
CN103233228A (en) Corrosion method for germanium substrate sheet of solar battery
CN104862702A (en) Etching solution for dislocation display of monocrystal germanium wafer deflecting to crystal orientation [111] and etching method
GB1019415A (en) Process for finishing float glass
CN102873047B (en) Method for cleaning high-purity gallium container
JP2001046991A (en) Method for washing glass substrate
CN105088326A (en) Operation process of stainless-steel electrolytic polishing liquid
CN203732563U (en) Device for preparing large-cone-angle optical fiber probe by inverted tube corrosion method
CN107527844B (en) Wet etching chemical reaction tank
CN220116682U (en) Lead frame etching pickling waste water reutilization device
CN217588864U (en) Wet etching equipment with preheating function

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140205