CN106526749A - Optical fiber cutting device - Google Patents
Optical fiber cutting device Download PDFInfo
- Publication number
- CN106526749A CN106526749A CN201710047836.0A CN201710047836A CN106526749A CN 106526749 A CN106526749 A CN 106526749A CN 201710047836 A CN201710047836 A CN 201710047836A CN 106526749 A CN106526749 A CN 106526749A
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- Prior art keywords
- optical fiber
- fiber
- microscope
- cutter
- cutting
- 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.)
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/25—Preparing the ends of light guides for coupling, e.g. cutting
Abstract
The invention relates to an optical fiber cutting device which is formed by a large core diameter cutter, a numeric display micrometer, a soft LED point light source, a microscope, a display connected to the microscope, and a 45-degree mirror. Through a mode of rotating a special optical fiber, after the characteristic area (stress area) of the optical fiber is in a horizontal or vertical symmetrical state relative to the knife feed position of a diamond cutter, the cutting is carried out, the high precision cutting of special optical fibers such as a panda type optical fiber, an octagonal optical fiber, a bow-tie type optical fiber, a straight line fiber, and a photonic crystal optical fiber can be realized, the fiber cutting angle is small, the cutting end face is smooth and has no tail, and the repeatability is high.
Description
Technical field
The present invention relates to optical fiber fabrication technology processing equipment field, is related specifically to special optical fiber, such as big core diameter polarization maintaining optical fibre
Processing equipment field.
Background technology
Special optical fiber, refer to panda type polarization-preserving fiber, bow-tie type polarization maintaining optical fibre, yi word pattern optical fiber, photonic crystal fiber,
The round fiber of octagonal optical fiber, hexangle type optical fiber and cladding diameter more than 600 μm.
Fiber cut, refers mainly to optical fiber cutter, carries out the cutting of special angle to divesting the optical fiber after coat.Process
Technological process step up respectively to divest the optical fiber of coat for the left and right fixture of cutter, with a diamond blade in optical fiber table
Face scratches micro-fractures, while applying certain pulling force so that fibercuts.General requirement is that side observation cutting angle is missed
Difference is little, and end view is smooth without hangover or the edge of a knife (chipping), particularly during fused fiber splice, cutting angle more than 0.7 ° or
More than the hangover of stressed zone diameter more than 20%, it is impossible to meet the requirement of high-quality welding.
Existing fiber cut equipment, in process treatment process, it is already possible to preferably process common double clad light
Fibre, such as GDF-20/400 etc., but it is brilliant panda type optical fiber, octagon optical fiber, bow-tie fiber, yi word pattern optical fiber, photon is processed
During the special optical fibers such as body optical fiber, cutting effect is often not fully up to expectations, it is impossible to accomplish the cutting of high-quality, high duplication.At present,
The product of the companies such as mainstream supplier Vytran, Fujikura, 3Sae of fiber cut equipment, cutting polarization maintaining optical fibre or other
During special optical fiber, cutter do not identify the position in two stress axiss of optical fiber or other fibre characteristic areas, are applying pulling force
During, same pulling force cannot ensure end face smooth nothing during each axial angle (such as 0 °, 15 °, 25 ° ... of opal position) cutting
Hangover.Therefore, in fiber cut, characteristic area (stressed zone) has non-ratio for the concordance of cutter blade access site
Ordinary meaning.
The content of the invention
Due to main flow cutter product in the market process special optical fiber when, such as polarization maintaining optical fibre, octagon optical fiber,
Bow-tie fiber, yi word pattern optical fiber, photonic crystal fiber etc., high-quality cutting effect poor repeatability.The invention discloses one
Kind new special optical fiber cutter sweep, the device comprising large core fiber cutter, electronic microcalliper, one 45 °
Reflecting mirror, LED point light source, a microscope.By 45 ° of reflecting mirrors, the position of LED light source, microscope to fiber stress area
Put and observed, rotate polarization maintaining optical fibre so that cut after horizontally or vertically other particular states are waited the stressed zone of optical fiber
Cut, be capable of achieving the special optical fibers such as panda type optical fiber, octagon optical fiber, bow-tie fiber, yi word pattern optical fiber, photonic crystal fiber
Hi-precision cutting, fiber cut angle are little, and cutting end face is smooth without hangover, can accomplish only to need after optimization complete by single treatment
Into high-quality fiber cut, with high repeatability.The length of optical fibre device tail optical fiber is substantially shorter, it is narrow so as to reduce
There is the risk of SBS in live width laser instrument.Meanwhile, substantially increase work efficiency.
Compare with technology with existing patent, the present invention proposes a kind of new polarization maintaining optical fibre cutter sweep, can be integrated in
In optical fiber cutter, a kind of brand-new fiber cut product is formed, it is also possible to which technological transformation is carried out to existing fiber cutter, as flat
Platform accessory, for processing the cutting of special optical fiber.
The present invention provides a kind of fiber cut equipment：Comprising large core fiber cutter, the large core fiber cuts
Knife includes diamond cutter, digital display micrometer gauge, also comprising a flexible LED point source, a microscope and its company
The display that connects, 45 ° of reflecting mirrors.
Fiber cut equipment of the present invention, the optical fiber that soft component laminating in the point source front end accommodates, numeral are aobvious
Show micrometer face parallel to optical fiber, and fiber position be in its stroke that 45 ° of mirror mirrors and fiber end face angle at 45 ° show
With optical fiber at an angle of 90, central optical axis extend vertically through fiber optic hub, microscope connection display and measuring apparatus to micro mirror, measurable
Fibre diameter, immediately below optical fiber, diamond cutting cutter enters knife cut direction with the microscope optical axis at an angle of 90 to point source.
Fiber cut equipment of the present invention, the large core fiber cutter include fiber clamp, respectively left side
Optical fiber coating upper cover plate, left side optical fiber coating lower clamp, right side naked fibre layer upper cover plate, right side naked fibre lower clamp, Yi Jixiang
The lockable mechanism answered, diamond cutter, digital display micrometer gauge, control motor, corresponding control circuit, flexible LED point
Light source runs through left side coat upper cover plate and fixes, and left and right lower cover is carved with the optical fiber duct corresponding with fiber size, under both sides
Fixture optical fiber duct has hole, can be used to connect asepwirator pump absorption optical fiber, and on the right side of cutter, after fixture, optical fiber stretches out random length.
Fiber cut equipment of the present invention, left side coat upper cover plate, lower clamp are positioned on the rolling clamp of left side,
Can be with the optical fiber of placement as strict axle center, 180 ° or 360 ° rotations, without the need for manual rotation optical fiber；Or left side fixture keeps not
Dynamic, optical fiber to be cut can be rotated in optical fiber duct manually.
Fiber cut equipment of the present invention, microscope are identified to optical fiber side or end face imaging, using image
Imaging of the identification circuit to optical fiber side and end face carries out learning records, and controls fiber spinning to stressed zone symmetry angle.
It is micro- that the display of fiber cut equipment of the present invention, microscope and its connection can be replaced visual optical
Mirror.
The present invention provides a kind of platform comprising above-mentioned fiber cut equipment part, it is characterised in that its include microscope,
LED point light source, Adjustable horizontal moving stage, adjustable rotary turntable, adjustable lifting platform are constituted, and the platform central visual axis line is adjustable, are led to
Crossing calibration can make central optical axis pass through fiber core to be cut, and vertical with diamond cutting cutter access site.
Microscope of the present invention is selected from more than 8 times or more than 10 times microscopes.
Optical fiber cutting method carried out based on above-mentioned fiber cut equipment the invention provides a kind of, using microscope to light
Fibre carries out image side faces, and the position of observation is located at the optical fiber after peeling off coat；Spin fiber, when fiber stress area is in water
During flat or upright position, there is symmetrical structure in optical fiber side imaging, is cut.
The concrete grammar includes：(1) the left side and right side correspondence upper cover plate of optical fiber correspondingly-sized to be cut, lower folder are installed
Tool, and lock trip bolt.Cutter are opened, corresponding cutting process is selected.The coat of optical fiber to be cut is divested, with dustless
Paper dips in ethanol or acetone wiped clean optical fiber.
(2) as by the way of end face observation, carried out once conventional precut first, cutting standard is special for seeing optical fiber clearly
Levy area (stressed zone), it is not necessary to take notice of hangover situation；Continue peeling optical fibre coat, the length for divesting coat disclosure satisfy that
The requirement of fiber end face observation；After cleaning optical fiber, optical fiber is positioned on optical fiber duct, opens asepwirator pump absorption optical fiber；Adjust LED
The brightness of point source and microscopical focusing, make the fiber end face can blur-free imaging；During manual rotation optical fiber, press...with one's finger optical fiber
Coating layer segment, another handss spin fiber observe end face stress zone position, till horizontally or vertically state is gone to, close
Close left and right upper cover plate；During by motor spin fiber, same observation end face stress zone position, until horizontally or vertically state is gone to,
Close right side upper cover plate；Optical fiber Jing after image recognition circuit identification learning, can be carried out rotating to stress by cutting equipment automatically
Area's horizontally or vertically state, closes right side upper cover plate；Micrometer is adjusted, is can be made in cutting process just apart from the position of optical fiber
The recession of optical fiber；Cutting process is opened, until cutting is completed.
(3) as by the way of the observation of side, without the need for precut, the optical fiber after directly cleaning is positioned on optical fiber duct, opens
Open asepwirator pump absorption optical fiber；The brightness and microscopical focusing of LED point light source is adjusted, makes the optical fiber side can blur-free imaging；Manually
During spin fiber, press...with one's finger optical fiber coating layer segment, another handss spin fiber, observes image side faces, until going to out
Existing specific symmetric graph as when, stressed zone is corresponding for horizontally or vertically state, closes left and right upper cover plate；By motor spin fiber
When, image side faces are equally observed, until going to the specific symmetric graph picture of appearance, stressed zone is corresponding for horizontally or vertically state, pass
Close right side upper cover plate；Optical fiber Jing after image recognition circuit identification learning, can be carried out rotating to stressed zone by cutting equipment automatically
Horizontally or vertically state, closes right side upper cover plate；Micrometer is adjusted, and light in cutting process is can be made into just apart from the position of optical fiber
Fine recession；Cutting process is opened, until cutting is completed.
(4) optimization process of fiber cut is, fiber cut angle such as occurs greatly, and end face then reduces micrometer without hangover
Advance numerical value；There is fiber cut angle little, hangover occurs in end face, reduce pulling force or pulling force stepping-in amount；There is obvious knife in end face
Mouth or chipping, reduce the predispersed fiber depth of cut/cutting stepping-in amount/cutting times；As there are several situations simultaneously, wherein one is first changed
, different problems are solved respectively.The position of micrometer may produce micro-displacement in the cutting more than 20 times or after being shaken,
The numerical value that should be zeroed after readjusting optimization.
In above-mentioned optical fiber cutting method, precut can be carried out to optical fiber to be cut, the end face after precut is entered
Row microscope imaging, so that it is determined that the angle position of its stressed zone.The power of LED point light source is adjusted, is imaged fiber end face bright
Degree is suitable.The display of microscope connection and measuring apparatus measure the cladding diameter of optical fiber, for optimizing micrometer position and Buddha's warrior attendant
The preadmission cutter spacing of stone cutter.Digital display micrometer gauge is used for precise control and records thousand points of positions of cutting optical fibre, it is to avoid Yin Qie
Cut vibrations, that mobile vibrations cause is unsceptered.
The optical fiber cut by the present invention is selected from polarization maintaining optical fibre, octagon optical fiber, bow-tie fiber, tiger type optical fiber, a word
The large core fiber of type optical fiber, photonic crystal fiber or cladding diameter more than 600 μm.
In sum, the present invention possesses high, cutting strong, flexible structure of concordance of good cutting effect, cutting accuracy etc. significantly
Advantage.
Description of the drawings
Fig. 1, end face observe the cutter sweep schematic diagram of fiber spinning
Fig. 2, side observe the cutter sweep schematic diagram (observation optical fiber) of fiber spinning
Fig. 3, side observe the cutter sweep schematic diagram (observation tail optical fiber) of fiber spinning
Fig. 4, micrometer, microlens, diamond cutter enter the location drawing of cutter spacing
Fig. 5, fixture spin fiber schematic diagram
Fig. 6, fiber cut accessory platform schematic diagram
1. left side optical fiber coating upper cover plate
2. left side optical fiber coating lower clamp
3. right side naked fibre upper cover plate
4. right side naked fibre lower clamp
5. flexible LED light source
6. diamond cutting cutter
7. microscope
8. display
9. optical fiber (containing coating layer segment)
10. optical fiber (divest coating layer segment)
11.45 ° reflecting mirror
12. fiber stress areas
13. left side rolling clamp upper cover plates
14. left side rolling clamp lower plates
15. digimatic micrometers
16. adjustable rotary turntables
17. Adjustable horizontal moving stage
18. adjustable lifting platforms
19. optical fiber cutter faceplates
Specific embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1：
Fiber cut equipment as shown in Figure 1, need to carry out a precut so that aobvious first before formal cutting to optical fiber
Micro lens can be imaged to end face, so as to judge the angle position of stressed zone.Wherein, requirement of the precut to cut quality is for can
It was observed that fiber end face structure (such as stressed zone)；Secondly, corresponding cutting process is selected, opens vacuum air suction pump, under
On fixture, absorption divests the optical fiber after coat, microscope is focused, end face is imaged over the display；Using manual side
Formula spin fiber so that fibre characteristic area (such as stressed zone) enters the edge of a knife in horizontally or vertically symmetric position relative to cutter；
Measurement fibre diameter, by digimatic micrometer top to correspondence position so that micrometer end face is extremely close to optical fiber and records；Close
Left and right upper cover plate, opens cutting process.
When once cutting on carrying out, for same fiber, it is only necessary to by the position on micrometer top to last registration, optical fiber rotation
Horizontal symmetry or vertical angle is gone to, same cutting process is opened, you can the high duplication cutting of special optical fiber is completed.
Test by contrast, for same optical fiber (such as PLMA-20/400 pandas), after being optimized using said method,
There is not substantially hangover in cutting 100 times, stressed zone, and end face is smooth without the obvious edge of a knife or chipping, and cutting angle is respectively less than 0.5 °.
At the same time, optimization program clipping time also greatly shortens therewith.As arbitrarily placed optical fiber, end face occurs dragging in various degree at random
Tail situation.
Embodiment 2：
Fiber cut equipment as shown in Figure 2,3, without the need for carrying out precut process to optical fiber.But need to ensure diamond cutting
The central optical axis exact vertical of cutter direction of feed and microlens.Corresponding cutting process is being selected, vacuum air suction pump is being opened,
The optical fiber after coat is divested on absorption lower clamp, and microscope is focused, optical fiber image side faces over the display are made；Using
Manual mode spin fiber so that optical fiber side feature is into specific symmetrical, that is, fibre characteristic area (stressed zone) phase
For cutter enter the edge of a knife in horizontally or vertically symmetric position, remaining is with embodiment 1.
Jing is tested, and for same optical fiber (such as PLMA-20/400 pandas), is adopted,
Specific symmetric graph picture is recorded, within can control 3 ° of stressed zone (panda eye) level, after being optimized using such mode, cutting
100 times, there is not substantially hangover in stressed zone, and end face is smooth without the obvious edge of a knife or chipping, and cutting angle is respectively less than 0.5 °.It is more real
Example 1 is applied without the need for precut.
Embodiment 3：
As shown in figure 5, fixture on the left of high accuracy step motor drive is carried out by strict axle center of fiber optic hub to be cut
Rotation so that fixture possesses 180 ° or 360 ° of spinfunctions with upper angle on the left of cutter, for substituting manual rotation.Implement
In example 1 observe end face with embodiment 2 side image identification can according to images match it is corresponding recognize and self study work(
Can, complete the automatic rotation of optical fiber.High accuracy step motor drive can make the angle position in fiber stress area more accurately with surely
It is fixed.Cutting angle can be obtained less than 0.2 °, end face without hangover, the cutting effect without chipping or the edge of a knife.Wherein, right side fixture can
Rotate with left side fixture after closing.Remaining is with embodiment 1 or 2.
Embodiment 4：
In scheme, microscope can equally take visual optical microscope, directly observe fiber end face or side by visual observation
Face, for evaluating spin fiber to ad-hoc location, can obtain the cutting effect of same embodiment 1 or 2.
Embodiment 5：
In scheme process 400 μm of cladding diameter below optical fiber can micrometer do not use, octagonal optical fiber can be obtained
The effect of embodiment 1 is same as, but protects the hangover situation that bias tyre fiber cut occurs more than 35%.
Embodiment 6：
According to the scheme in embodiment 1 or 2, add microscope, LED, 45 ° of reflections of addition on optical fiber cutter product
The modes such as mirror, replacing digimatic micrometer, on optical fiber cutter faceplate, build a set accessory platform, as shown in Figure 6.
Meet 1) microlens and be in optical fiber by an Adjustable horizontal moving stage, two adjustable rotary turntables, adjustable lifting platforms
Surface, the optical axis pass through fiber optic hub to be cut；2) optical axis is vertical with diamond cutting cutter access site direction.By above-mentioned skill
Art is improved, and makes cutting tool for end face or the ability of side observation, according to the image rotation fibre characteristic area (stressed zone) for obtaining
To proper angular position.The cutting effect for being equal to embodiment 1 can be obtained.
Embodiment 7：
When other special fibers such as octagonal optical fiber, bow-tie fiber, yi word pattern optical fiber, photonic crystal fiber are cut,
According to the scheme of embodiment 1 or 2, when cutting every time, spin fiber completes the optimization of particular fiber cutting process to proper angle
Afterwards, you can implement the cutting of high efficiency and high duplication, the cutting after optimization is capable of achieving angle and is less than 0.2 °, and end face is smooth
Without hangover, chipping, edge of a knife etc..
Foregoing description is only proposed as enforceable technical scheme of the invention, not as to the single of its technical scheme itself
Restrictive condition.
Claims (9)
1. a kind of fiber cut equipment, it is characterised in that：Comprising large core fiber cutter, the large core fiber cutter
Comprising diamond cutter, digital display micrometer gauge, also comprising a flexible LED point source, a microscope and its connection
Display, 45 ° of reflecting mirrors.
2. fiber cut equipment according to claim 1, it is characterised in that：Point source front end soft component laminating adds
The optical fiber held, digital display micrometer gauge face is parallel to optical fiber, and fiber position is in its stroke, 45 ° of mirror mirrors and light
Fine end face angle at 45 °, with optical fiber at an angle of 90, central optical axis extend vertically through fiber optic hub to microscope, microscope connection display with
Measuring apparatus, measurable fibre diameter, immediately below optical fiber, diamond cutting cutter enters knife cut direction and microscope to point source
The optical axis is at an angle of 90.
3. fiber cut equipment according to claim 1 and 2, it is characterised in that：The large core fiber cutter are included
Fiber clamp, respectively left side optical fiber coating upper cover plate, left side optical fiber coating lower clamp, right side naked fibre layer upper cover plate, the right side
Side naked fibre lower clamp, and it is corresponding lockable mechanism, diamond cutter, digital display micrometer gauge, control motor, corresponding
Control circuit, flexible LED point source run through left side coat upper cover plate and fix, and left and right lower cover is carved with relative with fiber size
The optical fiber duct answered, both sides lower clamp optical fiber duct have hole, for connecting asepwirator pump absorption optical fiber, optical fiber after fixture on the right side of cutter
Stretch out random length.
4. fiber cut equipment according to claim 3, it is characterised in that：Left side coat upper cover plate, lower clamp are placed
On the rolling clamp of left side, can be with the optical fiber of placement as strict axle center, 180 ° or 360 ° rotations, without the need for manual rotation optical fiber；
Or left side fixture is remained stationary as, optical fiber to be cut can be rotated in optical fiber duct manually.
5. the fiber cut equipment according to any one of claim 1-4, it is characterised in that：Microscope is to optical fiber side or end
Face imaging is identified, and carries out learning records using imaging of the image recognition circuit to optical fiber side and end face, and controls optical fiber
Rotate to stressed zone symmetry angle.
6. the fiber cut equipment according to any one of claim 1-5, it is characterised in that：Microscope and its display of connection
Device replaces with visual optical microscope.
7. a kind of platform comprising fiber cut equipment part described in claim 1-6, it is characterised in that comprising microscope, LED
Point source, Adjustable horizontal moving stage, adjustable rotary turntable, adjustable lifting platform are constituted, and the platform central visual axis line is adjustable, by school
Central optical axis will definitely be made to pass through fiber core to be cut, and it is vertical with diamond cutting cutter access site.
8. a kind of fiber cut equipment based on described in any one of claim 1-7 carries out optical fiber cutting method, it is characterised in that
Comprise the following steps：Peel off optical fiber coating to be cut and be positioned in lower clamp optical fiber duct, optical fiber is carried out using microscope
Side or end face are focused imaging, and the position of observation is located at the end face of the optical fiber after peeling off coat or precut；Rotation light
Fibre, when fiber stress area is in horizontally or vertically position, until symmetrical structure occur in optical fiber or end face image side faces, is cut
Cut.
9. optical fiber cutting method according to claim 8, it is characterised in that：End face to be cut or side are carried out micro-
Mirror is imaged, so that it is determined that the angle position of its stressed zone.The power of LED point light source is adjusted, makes fiber end face brightness of image suitable；
The display of microscope connection and measuring apparatus measure the cladding diameter of optical fiber, for optimizing micrometer position and diamond cutting cutter
Preadmission cutter spacing；Digital display micrometer gauge is used for precise control and records thousand points of positions of cutting optical fibre, it is to avoid because of cutting vibrations, move
It is unsceptered that dynamic vibrations cause.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047836.0A CN106526749A (en) | 2017-01-22 | 2017-01-22 | Optical fiber cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047836.0A CN106526749A (en) | 2017-01-22 | 2017-01-22 | Optical fiber cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN106526749A true CN106526749A (en) | 2017-03-22 |
Family
ID=58337077
Family Applications (1)
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|---|---|---|---|
| CN201710047836.0A Pending CN106526749A (en) | 2017-01-22 | 2017-01-22 | Optical fiber cutting device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908902A (en) * | 2017-04-14 | 2017-06-30 | 上海康阔光传感技术股份有限公司 | Optical fiber splicer and optical fiber splicing method |
| CN108520675A (en) * | 2018-04-17 | 2018-09-11 | 李涛 | Diamond teaching experimental base |
| WO2019036888A1 (en) * | 2017-08-22 | 2019-02-28 | 四川灼识科技股份有限公司 | Optical fiber cleaving method |
| CN111999804A (en) * | 2020-07-30 | 2020-11-27 | 北京航天时代光电科技有限公司 | Length compensation method based on optical fiber cutting |
| CN112666656A (en) * | 2020-12-15 | 2021-04-16 | 一诺仪器（中国）有限公司 | Maintenance-free welding machine and welding method thereof |
| CN115220154A (en) * | 2022-08-17 | 2022-10-21 | 中国工程物理研究院激光聚变研究中心 | Non-circular optical fiber cutting method and system |
| 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 |
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| US20110146071A1 (en) * | 2008-10-06 | 2011-06-23 | Afl Telecommunications Llc | Thermal rounding shaped optical fiber for cleaving and splicing |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908902A (en) * | 2017-04-14 | 2017-06-30 | 上海康阔光传感技术股份有限公司 | Optical fiber splicer and optical fiber splicing method |
| WO2019036888A1 (en) * | 2017-08-22 | 2019-02-28 | 四川灼识科技股份有限公司 | Optical fiber cleaving method |
| CN108520675A (en) * | 2018-04-17 | 2018-09-11 | 李涛 | Diamond teaching experimental base |
| CN108520675B (en) * | 2018-04-17 | 2020-06-26 | 中原工学院 | Diamond teaching experiment table |
| CN111999804A (en) * | 2020-07-30 | 2020-11-27 | 北京航天时代光电科技有限公司 | Length compensation method based on optical fiber cutting |
| CN111999804B (en) * | 2020-07-30 | 2022-08-12 | 北京航天时代光电科技有限公司 | Length compensation method based on optical fiber cutting |
| CN112666656A (en) * | 2020-12-15 | 2021-04-16 | 一诺仪器（中国）有限公司 | Maintenance-free welding machine and welding method thereof |
| CN115220154A (en) * | 2022-08-17 | 2022-10-21 | 中国工程物理研究院激光聚变研究中心 | Non-circular optical fiber cutting method and system |
| CN115220154B (en) * | 2022-08-17 | 2023-05-02 | 中国工程物理研究院激光聚变研究中心 | Non-circular optical fiber cutting method |
| 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 |
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Application publication date: 20170322 |
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