CN108680996B - Single-lens optical fiber fusion splicer - Google Patents
Single-lens optical fiber fusion splicer Download PDFInfo
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- CN108680996B CN108680996B CN201810457072.7A CN201810457072A CN108680996B CN 108680996 B CN108680996 B CN 108680996B CN 201810457072 A CN201810457072 A CN 201810457072A CN 108680996 B CN108680996 B CN 108680996B
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- light source
- convex lens
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 100
- 230000004927 fusion Effects 0.000 title claims abstract description 35
- 238000003384 imaging method Methods 0.000 claims abstract description 56
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 9
- 230000003595 spectral effect Effects 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000021615 conjugation Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012634 optical imaging Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2555—Alignment or adjustment devices for aligning prior to splicing
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
-
- 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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Lenses (AREA)
Abstract
The invention provides a single-lens optical fiber fusion splicer, which comprises a light source, a lens, an optical fiber alignment module, optical fibers, a control module, a display module and a discharge module, wherein the control module receives the position information of the lens about the optical fibers, compares whether the optical fibers are aligned or not and displays the optical fibers through the display module, simultaneously sends an instruction to the optical fiber alignment module to adjust the positions of the optical fibers, and finally sends an instruction to the discharge module to fuse the optical fibers, wherein the number of the light sources is one, and the number of the lenses is one; the lens comprises a lens group formed by combining five curved lenses and an imaging chip, wherein the lens group comprises three convex lenses and two concave lenses, and the imaging chip is connected with the control module; the light path of the light source entering the lens group is arranged on the same straight line with the optical fiber, the lens group and the imaging chip, and the light emitted by the light source projects the axial end face of the optical fiber to the imaging chip for imaging through the lens group.
Description
Technical Field
The invention relates to an optical imaging technology in the field of optical fiber fusion, in particular to a single-lens optical fiber fusion machine.
Background
The silica fiber is composed of a silica core and a silica cladding formed around the core, and is covered with a coating layer for reinforcement protection, and light is transmitted through the fiber core. To ensure that the optical signal is transmitted a distance efficiently in the optical fiber, relatively short optical fibers need to be connected together. The optical fiber fusion splicer is high-precision practical equipment for highly fusing light, machine and electricity, can provide fast, long-term stable and low-loss optical fiber joints, and is used for optical fiber erection and maintenance. The optical imaging module is an important component in the optical fiber fusion splicer, when the optical fiber fusion splicer fuses the optical fibers, the optical microscopic imaging system is used for acquiring the alignment errors of the two optical fibers to be fused, after the errors are adjusted to an allowable range, the discharge arc is used for heating, and then the optical fiber alignment module is used for enabling the end surfaces of the two optical fibers to be close to each other and fused into a whole.
The conventional optical fiber fusion splicer generally detects whether optical fibers are aligned or not from a two-dimensional direction, namely, an orthogonal X, Y direction light source is adopted to irradiate the end points of the optical fibers to be connected, and the optical fibers are focused and imaged through two groups of optical microscopic imaging systems, and the movement of the optical microscopic imaging systems is regulated by a mechanical driving mechanism, so that a camera acquires clear images of the optical fibers, and the alignment errors of the two optical fibers are judged. The optical fiber fusion splicer is characterized by comprising two paths of optical microscopic imaging systems, and a motion mechanism is needed to enable the two paths of optical microscopic imaging systems to reach a working position, so that optical fiber imaging is clear. The fusion splicer of the optical microscopic imaging system needs two optical microscopic imaging systems to perform image searching and focusing movements, has complex mechanism and poor stability, and is generally provided with two light sources, thereby easily causing ghost images and other phenomena.
Disclosure of Invention
The technical problem to be solved by the invention is to solve the defects of the prior art, and provide a single-lens optical fiber fusion splicer which is provided with only one light source, so that the cost of the optical fiber fusion splicer is reduced and the miniaturization of the fusion splicer is facilitated.
The invention is realized by the following technical means:
the invention provides a single-lens optical fiber fusion splicer, which comprises a light source, a lens, an optical fiber alignment module, optical fibers, a control module, a display module and a discharge module, wherein the control module receives position information of the lens about the optical fibers, compares whether the optical fibers are aligned or not and displays the optical fibers through the display module, simultaneously sends an instruction to the optical fiber alignment module to adjust the positions of the optical fibers, and finally sends an instruction to the discharge module to fuse the optical fibers; the lens comprises a lens group formed by combining five curved lenses and an imaging chip, wherein the lens group comprises three convex lenses and two concave lenses, and the imaging chip is connected with the control module; the light path of the light source entering the lens group is arranged on the same straight line with the lens group and the imaging chip, and the light emitted by the light source projects the axial end face of the optical fiber to the imaging chip for imaging through the lens group.
Further, the lens group includes a cemented lens group formed by a third convex lens and a first concave lens cemented together, in the cemented lens group, the third convex lens is close to the light source, and the first concave lens is close to the imaging chip.
Further, it is characterized in that the radius of curvature of the surfaces of the third convex lens and the first concave lens that are glued is the same, and the third convex lens and the first concave lens are glued and connected with each other by photosensitive glue.
Further, the range of the curvature radius of the bonding surface of the third convex lens and the first concave lens is 12.4 mm-14.5 mm, the range of the curvature radius of the surface of the third convex lens, which is close to the light source, is 8.3 mm-10.4 mm, and the range of the curvature radius of the surface of the first concave lens, which is close to the imaging chip, is 27.9 mm-30 mm.
Further, a first convex lens and a second convex lens are arranged between the bonding lens group and the light source, the first convex lens is close to the light source, and the second convex lens is close to the bonding lens group; the lens assembly comprises an imaging chip, a first convex lens, a second convex lens, a third convex lens, a first concave lens and a second concave lens, wherein the imaging chip is arranged on the imaging chip, the first convex lens, the second convex lens, the third convex lens, the first concave lens and the second concave lens are sequentially arranged to form a lens assembly, and optical axes of the lenses are positioned on the same straight line.
Further, the surface, close to the light source, of the first convex lens is a plane, the surface, close to the second convex lens, of the first convex lens is a curved surface, and the curvature radius range of the curved surface of the first convex lens is 11.3 mm-13.4 mm; the two surfaces of the second convex lens are curved surfaces, the curvature radiuses of the two curved surfaces are the same, and the curvature radius ranges from 22.2mm to 24.3mm; the two surfaces of the second concave lens are curved surfaces, wherein the radius of curvature of the surface close to the glued lens group ranges from 6.9mm to 9mm, and the radius of curvature of the surface close to the imaging chip ranges from 3.1mm to 5.1mm.
Further, the distance between the bonding lens group and the second convex lens is smaller than or equal to 0.1mm, the distance between the second convex lens and the first convex lens is smaller than or equal to 1mm, and the distance between the bonding lens group and the second concave lens is 6.5 mm-8.5 mm.
Further, the axis of the lens is orthogonal to the straight line where the optical fiber is located by 90 degrees.
Further, the optical fiber fusion splicer comprises an upper cover and a machine body, wherein the upper cover comprises a reflector, the light source is fixed in the machine body, light emitted by the light source enters the lens group after being reflected by the reflector, and a light path entering the lens group, the lens group and the imaging chip are arranged on the same straight line.
Compared with the prior art, the invention has the following beneficial effects:
the invention utilizes the optical fiber fusion splicer of the single lens, can utilize the function of the lens to a greater extent, reduces the conjugation distance, reduces the cost, is beneficial to the miniaturization of the optical fiber fusion splicer, and ensures that the single lens fusion splicer achieves good imaging effect and avoids the occurrence of phenomena such as double images and the like through the special structural design in the lens.
Drawings
FIG. 1 is a top view of the main part of a movement of a single-lens fusion splicer of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a perspective view of a main part module of the movement of fig. 1 in a disassembled state;
FIG. 4 is a cross-sectional view of a single lens fusion splicer according to a second embodiment of the present invention;
FIG. 5 is a cross-sectional view of a lens assembly of the single-lens fusion splicer of the present invention;
FIG. 6 is a light path diagram of a lens assembly of a single-lens fusion splicer lens of the present invention;
fig. 7 is a diagram showing the practical effect of the lens of the single-lens optical fiber fusion splicer of the present invention on optical fiber imaging.
Reference numerals in the drawings:
1 light source, 2 machine body, 21 lens, 211 lens group, 2111 first convex lens, 2112 second convex lens, 2113 third convex lens 2114 first concave lens, 2115 second concave lens, 212 imaging chip, 22 optical fiber alignment module, 3 optical fiber, 4 upper cover, 41 reflector.
Detailed Description
The invention is described in further detail below based on preferred embodiments and in conjunction with the accompanying drawings:
the invention provides a single-lens optical fiber fusion splicer, which comprises a light source 1, a machine body 2, an optical fiber 3, an upper cover 4, a control module, a display module and a discharge module, wherein the machine body 2 and the upper cover 4 are connected through a rotating shaft, the machine body 2 comprises a lens 21 and an optical fiber alignment module 22, the lens 21 comprises a lens group 211 and an imaging chip 212, and the axis of the lens 21 is orthogonal to the straight line of the optical fiber 3 at 90 degrees.
There is one and only one light source 1, and the light path that the light source 1 emits and enters the lens group 211 is arranged on the same straight line with the optical fiber 3, the lens group 211 and the imaging chip 212, the light emitted by the light source 1 projects the axial end face of the optical fiber onto the imaging chip 212 through the lens group 211 to form an image, and the light source 1 has various fixing modes, for example, in the first embodiment, the light source 1 is fixed on the upper cover 4, or the light source 1 is arranged above the machine body 2 by a bracket, so that the light source 1, the optical fiber 3, the lens group 211 and the imaging chip 212 are arranged on the same straight line; in the second embodiment, the upper cover 4 includes the reflective mirror 41, the reflective mirror 41 is fixed on the upper cover 4, the light source 1 is fixed in the machine body 2, the light emitted by the light source 1 is reflected by the reflective mirror 41 and then enters the lens group 211, so that the light finally entering the lens group 211, the optical fiber 3, the lens group 211 and the imaging chip 212 are arranged on the same straight line, and preferably, the method of the first embodiment is used, it should be noted that the fixing position of the light source is not limited, and only the fixing position of the light source and the reflection mode of the light path entering the lens group should be changed within the protection scope of the invention, which is not repeated herein.
The lens 21 is one and only one, and is fixed in the body 2, the lens group 211 is fixed at one end of the lens 21 near the optical fiber, the lens group 211 comprises a first convex lens 2111, a second convex lens 2112, a third convex lens 2113, a first concave lens 2114 and a second concave lens 2115, wherein the third convex lens 2113 and the first concave lens 2114 are glued by photosensitive glue to form a glued lens group, the third convex lens 2113 is near one end of the optical fiber 3, and the first concave lens 2114 is near one end of the imaging chip 212; besides the bonding lens group, a first convex lens 2111 and a second convex lens 2112 are arranged between the bonding lens group and the optical fiber 3, the first convex lens 2111 is close to one end of the optical fiber 3, the second convex lens 2112 is close to one end of the bonding lens group, a second concave lens 2115 is arranged between the bonding lens group and the imaging chip 212, and the optical axes of the lenses are positioned on the same straight line. The lenses used in the lens group 211 include, but are not limited to, glass lenses, and have a focal length ranging from 5mm to 6mm. The imaging chip 212 is fixed at one end of the lens 21 far away from the optical fiber 3 and is connected with the control module, and the resolution of the imaging chip is 640 x 480.
The surfaces of the third convex lens 2113 and the first concave lens 2114 which are glued are curved surfaces, the curvature radiuses are the same, the ranges are 12.4 mm-14.5 mm, the curvature radius range of the surface of the third convex lens 2113 close to the light source is 8.3 mm-10.4 mm, and the curvature radius range of the surface of the first concave lens 2114 close to the imaging chip is 27.9 mm-30 mm; the surface of the first convex lens 2111 close to the light source is a plane, the surface of the first convex lens 2111 close to the second convex lens 2112 is a curved surface, the curvature radius range of the curved surface of the first convex lens 2111 is 11.3 mm-13.4 mm, the two surfaces of the second convex lens 2112 are both curved surfaces, and the curvature radii of the two curved surfaces are the same, and the range is 22.2 mm-24.3 mm; both surfaces of the second concave lens 2115 are curved surfaces, wherein the radius of curvature of the surface close to the cemented lens group ranges from 6.9mm to 9mm, and the radius of curvature of the surface close to the imaging chip ranges from 3.1mm to 5.1mm. The distance between the cemented lens group and the second convex lens 2112 is 0mm to 0.1mm, the distance between the second convex lens 2112 and the first convex lens 2111 is 0mm to 1mm, and the distance between the cemented lens group and the second concave lens 2115 is 6.5mm to 8.5mm. The thickness range of the first convex lens 2111 is 2.45mm to 2.65mm, the thickness range of the second convex lens 2112 is 1.52mm to 1.72mm, the thickness range of the third convex lens 2113 is 1.13mm to 1.33mm, the thickness range of the first concave lens 2114 is 0.9mm to 1.1mm, and the thickness range of the second concave lens 2115 is 0.9mm to 1.1mm.
In this embodiment, preferably, the radii of curvature of the surfaces of the third convex lens 2113 and the first concave lens 2114 that are glued together are each 13.45mm, the radius of curvature of the surface of the third convex lens 2113 that is close to the light source is 9.35mm, and the radius of curvature of the surface of the first concave lens 2114 that is close to the imaging chip is 28.95mm; the radius of curvature of the curved surface of the first convex lens 2111 adjacent to the second convex lens 2112 is 12.33mm, and the radius of curvature of both curved surfaces of the second convex lens 2112 is 23.28mm, outside the cemented lens group; the radius of curvature of the face of the second concave lens 2115 near the cemented lens group is 7.93mm and the radius of curvature of the face near the imaging chip is 4.12mm. The distance between the cemented lens group and the second convex lens 2112 was 0.1mm, the distance between the second convex lens 2112 and the first convex lens 2111 was 0.1mm, and the distance between the cemented lens group and the second concave lens 2115 was 7.3mm. The thickness of the first convex lens 2111 is 2.55mm, the thickness of the second convex lens 2112 is 1.62mm, the thickness of the third convex lens 2113 is 1.23mm, the thickness of the first concave lens 2114 is 1mm, and the thickness of the second concave lens 2115 is 1mm. Fig. 6 is an optical path diagram of a lens assembly according to an embodiment of the present invention.
Through this embodiment, can make the magnification of camera lens enlarge to original 4.3 times, imaging light path can make the conjugation distance of imaging system camera lens reach 50mm, is favorable to the miniaturization of welding machine.
The lens parameters of this embodiment are as follows:
(1) The conjugate distance of the lens is 50mm, the object distance is 11.3mm, and the rear intercept is 20mm;
(2) Lens magnification: 4.3X;
(3) Visual range: 0.5mm, numerical aperture: 0.3;
(4) Resolution > 30% (110 line pair/mm);
(5) Distortion: edges < 0.23;
(6) Imaging chip: 640 x 480 (pixel 3 μm);
(7) Spectral range of transmitted light: 625 + 15nm.
The working flow of the single-lens optical fiber fusion splicer of the invention is described in detail below.
The optical fibers 3 to be welded are placed in an optical fiber alignment module 22, the optical fibers 3 are observed through a lens 21, the position information of the optical fibers 3 is input into a control module, and the control module compares whether the optical fibers 3 are aligned or not and displays the optical fibers through a display module. Fig. 7 is a diagram showing the practical effect of a lens of a single-lens optical fiber fusion splicer for imaging optical fibers according to an embodiment of the present invention, wherein (a) is a case where the lens 21 observes misalignment of positions of two optical fibers in a plane direction, that is, misalignment of upper and lower positions of the two optical fibers; in the figure, (B) is a case where the lens 21 observes misalignment of the positions of the two optical fibers in the stereoscopic direction, that is, misalignment of the front and rear positions of the two optical fibers; in the figure, (C) is a case where the lens 21 observes that the two optical fibers are perfectly aligned, that is, the upper and lower positions and the front and rear positions of the two optical fibers are perfectly aligned. If the optical fibers are not aligned, an instruction is sent to the optical fiber alignment module 22 to adjust the position of the optical fibers 3 until the optical fibers are aligned, if the optical fibers are aligned, an alignment step is skipped, and finally the control module sends an instruction to the discharge module to weld the optical fibers.
While the foregoing is directed to embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and improvements may be made to the invention without departing from the principles of the invention, and such modifications and improvements are intended to be within the scope of the invention.
Claims (6)
1. The utility model provides a single-lens optical fiber fusion splicer, includes light source, camera lens, optic fibre alignment module, optic fibre, control module, display module and discharge module, control module receives the camera lens is relative to the positional information of optic fibre, compares whether optic fibre aligns, and shows through display module, simultaneously to the optic fibre alignment module sends instruction adjustment optic fibre position, finally to discharge module sends instruction, butt fusion optic fibre, its characterized in that:
the light source is provided with one and only one, and the lens is provided with one and only one;
the lens comprises a lens group formed by combining five curved lenses and an imaging chip, wherein the lens group comprises three convex lenses and two concave lenses, and the imaging chip is connected with the control module;
the light path of the light source entering the lens group is arranged on the same straight line with the optical fiber, the lens group and the imaging chip, and the light emitted by the light source projects the axial end face of the optical fiber to the imaging chip for imaging through the lens group;
the lens group comprises a cemented lens group formed by cementing a third convex lens and a first concave lens, wherein the third convex lens is close to the light source, and the first concave lens is close to the imaging chip;
a first convex lens and a second convex lens are arranged between the bonding lens group and the optical fiber, the first convex lens is close to the light source, and the second convex lens is close to the bonding lens group; a second concave lens is arranged between the bonding lens group and the imaging chip, the first convex lens, the second convex lens, the third convex lens, the first concave lens and the second concave lens are sequentially arranged to form a lens group, and the optical axes of the lenses are positioned on the same straight line;
the surface, close to the light source, of the first convex lens is a plane, the surface, close to the second convex lens, is a curved surface, and the curvature radius range of the curved surface of the first convex lens is 11.3-13.4 mm; the two surfaces of the second convex lens are curved surfaces, the curvature radiuses of the two curved surfaces are the same, and the curvature radius ranges from 22.2mm to 24.3mm; the two surfaces of the second concave lens are curved surfaces, wherein the radius of curvature of the surface close to the glued lens group ranges from 6.9mm to 9mm, and the radius of curvature of the surface close to the imaging chip ranges from 3.1mm to 5.1mm;
the lens parameters are as follows:
(1) The conjugate distance of the lens is 50mm, the object distance is 11.3mm, and the rear intercept is 20mm;
(2) Lens magnification: 4.3X;
(3) Visual range: 0.5mm, numerical aperture: 0.3;
(4) Resolution > 30%,110 line pairs/mm;
(5) Distortion: edges < 0.23;
(6) Imaging chip: 640 x 480, pixel 3 μm;
(7) Spectral range of transmitted light: 625 + 15nm.
2. The single lens optical fiber fusion splicer according to claim 1, wherein the third convex lens and the first concave lens have the same radius of curvature on the surface where they are glued, and are connected to each other by a photosensitive adhesive.
3. The single-lens optical fiber fusion splicer according to claim 2, wherein the radius of curvature of the glued surface of the third convex lens and the first concave lens is 12.4 mm-14.5 mm, the radius of curvature of the surface of the third convex lens close to the light source is 8.3 mm-10.4 mm, and the radius of curvature of the surface of the first concave lens close to the imaging chip is 27.9 mm-30 mm.
4. The single-lens optical fiber fusion splicer according to claim 1, wherein the distance between the cemented lens group and the second convex lens is 0.1mm or less, the distance between the second convex lens and the first convex lens is 1mm or less, and the distance between the cemented lens group and the second concave lens is in the range of 6.5mm to 8.5mm.
5. The single lens optical fiber fusion splicer of claim 1 wherein the axis of the lens is 90 ° orthogonal to the line in which the optical fibers are located.
6. The single-lens optical fiber fusion splicer according to claim 1, wherein the optical fiber fusion splicer comprises an upper cover and a machine body, the upper cover comprises a reflector, the light source is fixed in the machine body, the light emitted by the light source enters the lens group after being reflected by the reflector, and the optical path entering the lens group is arranged on the same straight line with the optical fiber, the lens group and the imaging chip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810457072.7A CN108680996B (en) | 2018-05-14 | 2018-05-14 | Single-lens optical fiber fusion splicer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810457072.7A CN108680996B (en) | 2018-05-14 | 2018-05-14 | Single-lens optical fiber fusion splicer |
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| CN108680996A CN108680996A (en) | 2018-10-19 |
| CN108680996B true CN108680996B (en) | 2024-04-16 |
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| JP2000056163A (en) * | 1998-08-12 | 2000-02-25 | Fujikura Ltd | Observation system in multiple optical fiber fusion splicing machine |
| JP2002258094A (en) * | 2001-02-28 | 2002-09-11 | Furukawa Electric Co Ltd:The | Device for observing optical fiber and device for fusion- splicing optical fiber |
| CN101630041A (en) * | 2008-07-18 | 2010-01-20 | 南京吉隆光纤通信有限公司 | Single-lens imaging device for optical fiber fusion splicer |
| CN102998788A (en) * | 2012-11-28 | 2013-03-27 | 北京信维科技股份有限公司 | Imaging system of fiber fusion splicer and fiber fusion splicer |
| CN103226235A (en) * | 2013-04-22 | 2013-07-31 | 北京首量科技有限公司 | Dual-waveband optical fiber transmission optical system of endoscope lens |
| CN107632344A (en) * | 2017-11-02 | 2018-01-26 | 诺仪器（中国）有限公司 | The fiber end face Solid rocket engine method and system of optical fiber splicer |
| CN207216079U (en) * | 2017-07-28 | 2018-04-10 | 一诺仪器（中国）有限公司 | A kind of dynamic optical fiber splicer of Omnibearing visual welding |
| CN208334704U (en) * | 2018-05-14 | 2019-01-04 | 一诺仪器（中国）有限公司 | A kind of single-lens optical fiber splicer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154420A (en) * | 2015-04-07 | 2016-11-23 | 赵阳日 | A kind of optical fiber splicing method and optical fiber splicer |
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2018
- 2018-05-14 CN CN201810457072.7A patent/CN108680996B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000056163A (en) * | 1998-08-12 | 2000-02-25 | Fujikura Ltd | Observation system in multiple optical fiber fusion splicing machine |
| JP2002258094A (en) * | 2001-02-28 | 2002-09-11 | Furukawa Electric Co Ltd:The | Device for observing optical fiber and device for fusion- splicing optical fiber |
| CN101630041A (en) * | 2008-07-18 | 2010-01-20 | 南京吉隆光纤通信有限公司 | Single-lens imaging device for optical fiber fusion splicer |
| CN102998788A (en) * | 2012-11-28 | 2013-03-27 | 北京信维科技股份有限公司 | Imaging system of fiber fusion splicer and fiber fusion splicer |
| CN103226235A (en) * | 2013-04-22 | 2013-07-31 | 北京首量科技有限公司 | Dual-waveband optical fiber transmission optical system of endoscope lens |
| CN207216079U (en) * | 2017-07-28 | 2018-04-10 | 一诺仪器（中国）有限公司 | A kind of dynamic optical fiber splicer of Omnibearing visual welding |
| CN107632344A (en) * | 2017-11-02 | 2018-01-26 | 诺仪器（中国）有限公司 | The fiber end face Solid rocket engine method and system of optical fiber splicer |
| CN208334704U (en) * | 2018-05-14 | 2019-01-04 | 一诺仪器（中国）有限公司 | A kind of single-lens optical fiber splicer |
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| CN108680996A (en) | 2018-10-19 |
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