CN113955926A - Low-temperature fusion welding method for improving strength of fusion welding point between soft glass optical fiber and quartz optical fiber - Google Patents
Low-temperature fusion welding method for improving strength of fusion welding point between soft glass optical fiber and quartz optical fiber Download PDFInfo
- Publication number
- CN113955926A CN113955926A CN202111465449.1A CN202111465449A CN113955926A CN 113955926 A CN113955926 A CN 113955926A CN 202111465449 A CN202111465449 A CN 202111465449A CN 113955926 A CN113955926 A CN 113955926A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- fiber
- soft glass
- fusion
- quartz
- 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
- 239000013307 optical fiber Substances 0.000 title claims abstract description 128
- 238000003466 welding Methods 0.000 title claims abstract description 80
- 230000004927 fusion Effects 0.000 title claims abstract description 59
- 239000011521 glass Substances 0.000 title claims abstract description 55
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000010453 quartz Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 239000003365 glass fiber Substances 0.000 claims abstract description 25
- 238000000137 annealing Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 17
- 238000005520 cutting process Methods 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000007526 fusion splicing Methods 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- XHGGEBRKUWZHEK-UHFFFAOYSA-L tellurate Chemical compound [O-][Te]([O-])(=O)=O XHGGEBRKUWZHEK-UHFFFAOYSA-L 0.000 description 19
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 17
- 239000011737 fluorine Substances 0.000 description 17
- 229910052731 fluorine Inorganic materials 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000005387 chalcogenide glass Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005383 fluoride glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/10—Non-chemical treatment
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/10—Non-chemical treatment
- C03B37/14—Re-forming fibres or filaments, i.e. changing their shape
- C03B37/15—Re-forming fibres or filaments, i.e. changing their shape with heat application, e.g. for making optical fibres
Abstract
The invention discloses a low-temperature fusion welding method for improving the strength of a fusion welding point between a soft glass optical fiber and a quartz optical fiber, belongs to the technical field of special glass optical fibers, and particularly relates to a special glass optical fiber fusion welding system with continuously adjustable heating temperature, wherein the treated soft glass optical fiber and the quartz optical fiber are respectively fixed on two clamps of the optical fiber fusion welding system, a heating area is moved to one side of the soft glass optical fiber, and the high-strength fusion welding between the quartz optical fiber and the soft glass optical fiber can be realized by setting optical fiber parameters. The method can effectively reduce the residual stress of the welding points and improve the strength of the welding points; after welding is completed, annealing treatment is carried out, so that the residual stress of the welding point is further reduced, and the strength of the welding point is improved; the invention realizes high strength of the welding point between the soft glass fiber and the quartz fiber by using the low-temperature welding method, has good stability and low insertion loss, and can be used for developing a stable and reliable mid-infrared band full-fiber high-power fiber laser and a broadband/new band fiber amplifier based on the soft glass fiber.
Description
Technical Field
The invention belongs to the technical field of special glass optical fibers, and particularly relates to a low-temperature fusion welding method for improving the strength of a fusion welding point between a soft glass optical fiber and a quartz optical fiber.
Background
The optical fiber amplifier and the laser have wide application in the fields of national defense safety and national civilian life-counting, such as basic scientific research, optical communication, biomedical treatment, environmental monitoring, remote sensing imaging, infrared countermeasure and the like. The medium material selected by the current optical fiber amplifier and laser development is mainly quartz optical fiber. But limited by the transmission window of the quartz glass material, the traditional quartz optical fiber can not be used for developing an optical fiber laser in a middle infrared band (>2.5 μm). In order to meet the application requirements, researchers develop soft glass fibers (including tellurate glass, fluorine tellurate glass, fluoride glass, chalcogenide glass fibers and the like) with low transmission loss in the mid-infrared band to develop mid-infrared band fiber lasers.
Currently, the soft glass fiber is used as a gain medium, and medium-infrared fiber laser output with average power of tens of watts is realized. However, the transition temperature of the soft glass optical fiber material is generally low, and the difference between the transition temperature and the glass transition temperature of the quartz optical fiber material is large, so that the low-loss and high-stability fusion welding technology between the soft glass optical fiber and the quartz optical fiber is a problem which is urgently needed to be solved for developing a practical full-optical-fiber high-power mid-infrared laser.
In the aspect of the research on the welding technology between the soft glass fiber and the quartz fiber, a researcher considers that the heat-resisting temperature of the quartz fiber is high, and in the process of welding the fiber, the heating area is moved to one side of the quartz fiber, a temperature gradient is formed in a heat diffusion mode, and after the temperature of the soft glass fiber reaches the welding temperature, the welding between the quartz fiber and the soft glass fiber can be realized. However, because the difference of thermal properties of the two types of glass materials is large, the welding point has large residual stress, low strength, poor stability and frangibility, the welding point is easy to break in laser application, especially high-power optical fiber laser application, and the stability and reliability of an optical fiber laser system are influenced. Therefore, in order to meet the application requirements, it is very important to explore a method for improving the mechanical strength and stability of the fusion point between the soft glass optical fiber and the quartz optical fiber.
Disclosure of Invention
The invention provides a low-temperature fusion welding method for improving the strength of a fusion point between a soft glass optical fiber and a quartz optical fiber, which is characterized in that a heating source is arranged on one side of the soft glass optical fiber in a biased mode to reduce the heating temperature of a fusion welding system, and the deformation quantity generated in the fusion welding process of the soft glass optical fiber and the quartz optical fiber is reduced by combining a narrow-temperature-zone heating technology, so that the reduction of the residual stress of the fusion welding point is realized; after the further welding process is finished, the heating temperature is adjusted to be close to the transition temperature of the soft glass optical fiber material, annealing treatment is carried out on the welding point, and further reduction of the residual stress of the welding point and improvement of the strength of the welding point are achieved. The low-temperature welding method can be used for developing a stable and reliable all-fiber high-power mid-infrared fiber laser.
The invention is realized by the following technical scheme:
a low-temperature fusion welding method for improving the strength of a fusion point between a soft glass optical fiber and a quartz optical fiber specifically comprises the steps of selecting a special glass optical fiber fusion welding system with continuously adjustable heating temperature, fixing the treated soft glass optical fiber and the quartz optical fiber on two clamps of the optical fiber fusion welding system respectively, moving a heating area to one side of the soft glass optical fiber, and realizing high-strength fusion welding between the quartz optical fiber and the soft glass optical fiber by setting optical fiber parameters.
Further, the optical fiber parameters include clean light-passing power, clean light-passing duration, optical fiber pre-melting power, optical fiber pre-melting time, main light-passing power, main light-passing duration, distance between optical fiber end faces and push distance overlap.
A low-temperature fusion welding method for improving the strength of a fusion welding point between a soft glass optical fiber and a quartz optical fiber specifically comprises the following steps:
step 1: cleaning the surface of the optical fiber by dipping alcohol with dust-free paper, and placing the optical fiber on a clamp of a special glass optical fiber cutting machine for cutting; then, ultrasonically cleaning the end face of the optical fiber by using an ultrasonic cleaning machine to ensure that the end face of the optical fiber is smooth and clean;
step 2: respectively fixing the treated soft glass fiber and the quartz fiber on two clamps of an optical fiber fusion system, moving a heating area to one side of the soft glass fiber, and setting related processing parameters;
and step 3: the fusion welding between the soft glass fiber and the quartz fiber is completed in a fiber core alignment mode at a lower heating temperature;
and 4, step 4: and setting a step-by-step cooling curve, annealing the welding point, eliminating residual stress at the welding point and improving the mechanical strength of the welding point.
Further, the lower heating temperature in step 3 is specifically 100-.
Further, the step 4 specifically includes: after the fusion is finished, adjusting the heating temperature from the fusion temperature to the temperature near the transition temperature of the soft glass optical fiber material, and preserving the heat for 0.1-1000 s; and then the heating temperature is gradually reduced from the transition temperature of the soft glass optical fiber material to room temperature according to the program control, and the temperature reduction time is adjusted within the range of 0.1-1000s according to the optical fiber material and the size.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the heating zone is biased to one side of the special glass optical fiber, so that the heating temperature required by fusion welding is reduced, and the fusion welding of the soft glass optical fiber and the quartz optical fiber is realized at a lower temperature, and the method can effectively reduce the residual stress of the fusion welding point and improve the strength of the fusion welding point; meanwhile, aiming at the thermal characteristics of the soft glass optical fiber material, after fusion welding is completed, the annealing treatment process parameters of the fusion welding point are set, so that the residual stress of the fusion welding point is further reduced, and the strength of the fusion welding point is improved;
2. the invention realizes high strength of the welding point between the soft glass fiber and the quartz fiber by using the low-temperature welding method, has good stability and low insertion loss, and can be used for developing a stable and reliable mid-infrared band full-fiber high-power fiber laser and a broadband/new band fiber amplifier based on the soft glass fiber.
Drawings
FIG. 1: the invention discloses a schematic diagram of a low-temperature fusion experimental device between a soft glass optical fiber and a quartz optical fiber;
FIG. 2: the invention relates to a photo of the fusion point of a fluorine tellurate glass optical fiber and a quartz optical fiber;
FIG. 3: the invention relates to a structural schematic diagram of an all-fiber high-power mid-infrared super-continuous laser light source system based on a fluorine tellurate glass fiber;
in the figure: a pumping source 1, an isolator 2, a welding point 3 and a fluorine tellurate glass fiber 4;
FIG. 4: the pump source of the invention outputs a spectrogram;
FIG. 5: the all-fiber high-power intermediate infrared supercontinuum laser light source outputs a spectrogram;
FIG. 6: the output power of the all-fiber high-power intermediate infrared supercontinuum laser light source of the invention is along with the power change diagram of the pump light.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example 1
The embodiment provides a low-temperature welding method for improving the strength of a welding point between a soft glass optical fiber and a quartz optical fiber, which specifically comprises the following steps:
step 1: and (3) end face treatment of the fluorine tellurate glass optical fiber and the quartz optical fiber:
cutting the optical fiber by adopting an optical fiber cutting machine with the model number of Fujikura CT-106 to obtain a flat and smooth optical fiber end face; the optical fiber welding area is ensured to be clean by adopting an ultrasonic cleaning mode; wiping the surface of the optical fiber clamp clean by dipping alcohol with dust-free paper;
specifically, a fluorine tellurate glass optical fiber with a fiber core diameter of 11 microns and a cladding diameter of 200 microns is selected and fixed at a corresponding position of an optical fiber cutter by an optical fiber clamp with the model of 250 microns; then entering a program menu of an optical fiber cutter to select a corresponding cutting mode and setting cutting parameters; setting the left clamping force to be 800gf, the right clamping force to be 3000gf and the left clamping position to be 32 mm; setting the tension speed to be 100bit, the cutting tension to be 70gf, the fine tension to be 10gf, and keeping other tension setting parameters to be off; setting the rotation angle to be 0; setting the cutting speed to 2500 mu m/s, the starting position of a cutting blade to be 800 mu m, the advancing step of the blade to be 724 mu m, the vibration delay of the blade to be 500ms and the vibration limit of the blade to be 100; after cutting, the system automatically resets, after parameter setting is finished, a SET key is pressed to apply left clamping force, and then the SET key is pressed to apply right clamping force; after the clamping force of the clamps on the two sides is applied, the optical fiber cutter automatically cuts the optical fiber according to the set parameters, and after the cutting is finished, the end face of the optical fiber is ultrasonically cleaned by using absolute ethyl alcohol;
step 2: welding the fluorine tellurate glass fiber and the quartz fiber:
selecting CO with continuously adjustable heating temperature2The laser fiber fusion-bonding processing station (Fujikura LZM-100) performed the fusion-bonding experiment between the fluorine tellurate glass fiber and the silica fiber:
after the welding machine is started, the motor automatically resets, after the motor is reset, the main menu selects a preheating function, and the preheating time of the welding machine is 5 min.
After preheating, opening a windshield, selecting optical fiber clamps with the specifications of 250 micrometers and 125 micrometers respectively, placing the optical fiber clamps in a welding machine, fixing the cut fluorine tellurate glass optical fiber and the quartz optical fiber (the fiber core/cladding diameter is 10/130 micrometers) on the corresponding clamps, and covering the windshield; care is taken not to touch the fiber end face and to keep it between the focusing lens and the V-groove. The heating position is biased to one side of the fluorine tellurate glass optical fiber, as shown in figure 1;
then setting welding parameters: setting the clean light transmission power to be standard-510 bit, the clean light transmission time to be 100ms and the interval of the optical fiber end surface to be 10 mu m; setting the fiber pre-melting power to be standard-520 bit, the fiber pre-melting time to be 20ms, and the pushing distance to be overlapped by 20 μm; setting the main fusion light power as-490 bit standard and the main fusion light time as 660 ms; setting the light transmission power of the post-welding treatment to be-580 bit and the light transmission time to be 180 ms; the time for the on-light power to fall to 0 is set to 320 ms.
And step 3: after the welding parameters are set, the welding process is automatically controlled by the system by adopting a fiber core alignment mode, and the welding points are shown in figure 2. After the optical fiber is welded, and the temperature is reduced to room temperature, opening the windshield, opening the left and right clamp cover plates in sequence, and taking out the optical fiber; taking out the clamp, resetting the position of the motor, and powering off the power key;
and 4, step 4: after the fusion is finished, adjusting the heating temperature from the fusion temperature to the temperature near the transition temperature of the soft glass optical fiber material, and preserving the heat for 0.1-1000 s; and then the heating temperature is gradually reduced from the transition temperature of the soft glass optical fiber material to room temperature according to the program control, and the temperature reduction time is adjusted within the range of 0.1-1000s according to the optical fiber material and the size.
And (3) testing the performance of the fusion spliced optical fiber:
testing the insertion loss and the laser power tolerance of the fusion point of the fluorine tellurate glass fiber and the quartz fiber by using a 2-micron fiber laser; in the test process, the output power of 2-micron laser is fixed at 20W, the doping loss of the welding point is about 0.5dB, the optical power of output light is basically kept unchanged after continuous test for 1 hour, and the welding point is not obviously damaged; wherein, in the test process, the welding point is not cooled.
by using the method for fusion splicing the fluorine tellurate glass fiber and the quartz fiber described in embodiment 1, a full-fiber intermediate infrared supercontinuum light source as shown in fig. 3 is built, wherein a pumping source 1 is a supercontinuum laser light source with a spectral range covering 1.93-2.5 micrometers and an output power of 42.6W, and an output tail fiber of the pump is 10/130 quartz fiber; the isolator 2 ensures unidirectional laser transmission and prevents the return light of the system from damaging the pumping source; the pump light is coupled into the fluorine tellurate glass optical fiber with the length of 0.56m in a direct fusion welding mode; under the action of various nonlinear optical effects, the spectrum is greatly broadened, the supercontinuum laser output with the output power of 25.8W and the spectral range covering 1-4 microns is obtained, and the spectrum is shown in figure 5. Fig. 6 shows the relationship between the output power of the high-power mid-infrared supercontinuum laser source and the power of the pump light, and when the power of the pump laser is 42.6W, the optical-to-optical conversion efficiency is 60.6%. In a 1-hour continuous experiment, the output power and the spectrum of the system are not obviously changed, and the output end face of the fluorine tellurate glass optical fiber and the fusion joint of the fluorine tellurate glass optical fiber and the quartz optical fiber are not obviously damaged, so that the all-fiber intermediate infrared supercontinuum laser system has better stability and reliability. By further optimizing the parameters of the fluorine tellurate glass fiber and the pump laser, a practical all-fiber broadband fluorine tellurate glass fiber laser and amplifier with the output power of 0.001-100W can be developed.
The above description is provided for the low temperature fusion splicing method for improving the strength of the fusion splice between the soft glass fiber and the quartz fiber, and the above description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement and the like made within the technical idea of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A low-temperature fusion welding method for improving the strength of a fusion welding point between a soft glass optical fiber and a quartz optical fiber is characterized in that a special glass optical fiber fusion welding system with continuously adjustable heating temperature is selected, the treated soft glass optical fiber and the quartz optical fiber are respectively fixed on two clamps of the optical fiber fusion welding system, a heating area is moved to one side of the soft glass optical fiber, and high-strength fusion welding between the quartz optical fiber and the soft glass optical fiber can be realized by setting optical fiber parameters.
2. The method of claim 1, wherein the optical fiber parameters include clean on power, clean on duration, fiber pre-melt power, fiber pre-melt time, main on optical power, main on optical duration, fiber end face distance, and push distance overlap.
3. The low-temperature fusion splicing method for improving the strength of the fusion splice between the soft glass optical fiber and the quartz optical fiber according to claim 1, which comprises the following steps:
step 1: cleaning the surface of the optical fiber by dipping alcohol with dust-free paper, and placing the optical fiber on a clamp of a special glass optical fiber cutting machine for cutting; then, ultrasonically cleaning the end face of the optical fiber by using an ultrasonic cleaning machine to ensure that the end face of the optical fiber is smooth and clean;
step 2: respectively fixing the treated soft glass fiber and the quartz fiber on two clamps of an optical fiber fusion system, moving a heating area to one side of the soft glass fiber, and setting related processing parameters;
and step 3: the fusion welding between the soft glass fiber and the quartz fiber is completed in a fiber core alignment mode at a lower heating temperature;
and 4, step 4: and setting a step-by-step cooling curve, annealing the welding point, eliminating residual stress at the welding point and improving the mechanical strength of the welding point.
4. The method as claimed in claim 3, wherein the lower heating temperature in step 3 is specifically 100 ℃ to 1200 ℃, and is adjusted according to the material of the soft glass optical fiber.
5. The low-temperature fusion splicing method for improving the strength of the fusion splice between the soft glass optical fiber and the quartz optical fiber according to claim 3, wherein the step 4 comprises the following steps: after the fusion is finished, adjusting the heating temperature from the fusion temperature to the transition temperature of the soft glass optical fiber material, and preserving the heat for 0.1-1000 s; and then the heating temperature is gradually reduced from the transition temperature of the soft glass optical fiber material to room temperature according to the program control, and the temperature reduction time is adjusted within the range of 0.1-1000s according to the optical fiber material and the size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465449.1A CN113955926A (en) | 2021-12-03 | 2021-12-03 | Low-temperature fusion welding method for improving strength of fusion welding point between soft glass optical fiber and quartz optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465449.1A CN113955926A (en) | 2021-12-03 | 2021-12-03 | Low-temperature fusion welding method for improving strength of fusion welding point between soft glass optical fiber and quartz optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113955926A true CN113955926A (en) | 2022-01-21 |
Family
ID=79472812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111465449.1A Pending CN113955926A (en) | 2021-12-03 | 2021-12-03 | Low-temperature fusion welding method for improving strength of fusion welding point between soft glass optical fiber and quartz optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113955926A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115308841A (en) * | 2022-08-26 | 2022-11-08 | 上海润京能源科技有限公司 | Cutting method of rotating optical fiber and optical fiber reflector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11287922A (en) * | 1998-04-01 | 1999-10-19 | Nippon Telegr & Teleph Corp <Ntt> | Method and device for connecting optical fiber |
| JP2001174662A (en) * | 1999-12-21 | 2001-06-29 | Asahi Glass Co Ltd | Optical fiber splicing method and optical fiber splicing section |
| CN104656191A (en) * | 2013-11-18 | 2015-05-27 | 北京航天时代光电科技有限公司 | Technological method for improving tensile strength of fiber after welding |
| CN105334577A (en) * | 2015-11-06 | 2016-02-17 | 深圳大学 | Fluoride fiber and quartz fiber fusing equipment and fusing method |
| CN110716264A (en) * | 2019-09-12 | 2020-01-21 | 北京工业大学 | Soft glass optical fiber welding method |
| CN112823302A (en) * | 2018-09-28 | 2021-05-18 | 三星钻石工业股份有限公司 | Optical fiber fusion splicing method, optical fiber, and fusion splicing device |
-
2021
- 2021-12-03 CN CN202111465449.1A patent/CN113955926A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11287922A (en) * | 1998-04-01 | 1999-10-19 | Nippon Telegr & Teleph Corp <Ntt> | Method and device for connecting optical fiber |
| JP2001174662A (en) * | 1999-12-21 | 2001-06-29 | Asahi Glass Co Ltd | Optical fiber splicing method and optical fiber splicing section |
| CN104656191A (en) * | 2013-11-18 | 2015-05-27 | 北京航天时代光电科技有限公司 | Technological method for improving tensile strength of fiber after welding |
| CN105334577A (en) * | 2015-11-06 | 2016-02-17 | 深圳大学 | Fluoride fiber and quartz fiber fusing equipment and fusing method |
| CN112823302A (en) * | 2018-09-28 | 2021-05-18 | 三星钻石工业股份有限公司 | Optical fiber fusion splicing method, optical fiber, and fusion splicing device |
| CN110716264A (en) * | 2019-09-12 | 2020-01-21 | 北京工业大学 | Soft glass optical fiber welding method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115308841A (en) * | 2022-08-26 | 2022-11-08 | 上海润京能源科技有限公司 | Cutting method of rotating optical fiber and optical fiber reflector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6822190B2 (en) | Optical fiber or waveguide lens | |
| Presby et al. | Laser micromachining of efficient fiber microlenses | |
| US4263495A (en) | Method of splicing optical fibers by CO2 -laser | |
| WO2007116792A1 (en) | Light input/output port of optical component and beam converting apparatus | |
| AU2009330031B2 (en) | Sapphire-based delivery tip for optic fiber | |
| JP2005518565A (en) | Fiber splicer | |
| CN107765368B (en) | Welding method of hollow anti-resonance optical fiber | |
| CN113955926A (en) | Low-temperature fusion welding method for improving strength of fusion welding point between soft glass optical fiber and quartz optical fiber | |
| GB2612460A (en) | Fiber laser pump reflector | |
| Böhme et al. | End cap splicing of photonic crystal fibers with outstanding quality for high-power applications | |
| CN110501782B (en) | Low-loss and high-strength welding method for large-mode-field photonic crystal fiber | |
| CN105334577A (en) | Fluoride fiber and quartz fiber fusing equipment and fusing method | |
| JP2618500B2 (en) | Optical fiber connection method | |
| WO2001032348A1 (en) | Method and apparatus for laser splicing of optical fibers | |
| CN110716264A (en) | Soft glass optical fiber welding method | |
| CN112713490A (en) | Intermediate infrared band continuous all-fiber oscillator | |
| JPH0579965B2 (en) | ||
| CN116381859A (en) | Fusion method of fluorine tellurate glass optical fiber and zirconium fluoride-based glass optical fiber | |
| CN114924353B (en) | Low-loss fusion welding method for fluorine tellurate glass optical fiber and quartz optical fiber | |
| CN116360037A (en) | Low-loss fusion method for quartz optical fiber and zirconium fluoride-based glass optical fiber | |
| Wu et al. | High-efficiency Fusion Splicing of Mid-infrared Special Fibers with the Silica Fibers | |
| JP2003075677A (en) | Fusion splicing method for optical fiber | |
| CN216979357U (en) | Optical waveguide for compressing and shaping input light spots generated by optical fiber array | |
| US11841535B2 (en) | Method of fusion splicing optical fibers with lasers | |
| JP3607642B2 (en) | Optical fiber fusion splicer |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220121 |
|
| WD01 | Invention patent application deemed withdrawn after publication |