CN206741031U - A kind of fiber array for being used for 5 channel array waveguide grating multiplexers - Google Patents
A kind of fiber array for being used for 5 channel array waveguide grating multiplexers Download PDFInfo
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- CN206741031U CN206741031U CN201721221653.8U CN201721221653U CN206741031U CN 206741031 U CN206741031 U CN 206741031U CN 201721221653 U CN201721221653 U CN 201721221653U CN 206741031 U CN206741031 U CN 206741031U
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Abstract
The fiber array provided by the utility model for being used for 5 channel array waveguide grating multiplexers, including：First tightly packaged fiber, the second tightly packaged fiber, the 3rd tightly packaged fiber, the 4th tightly packaged fiber, the 5th tightly packaged fiber and the substrate with five parallel V-grooves；First tightly packaged fiber, the second tightly packaged fiber, the 3rd tightly packaged fiber, the first end of the 4th tightly packaged fiber and the 5th tightly packaged fiber are separately fixed in five parallel V-grooves；First tightly packaged fiber, the second tightly packaged fiber, the 3rd tightly packaged fiber, the 4th tightly packaged fiber and the 5th tightly packaged fiber first end between spacing be 0.5 ± 0.0005mm, plane where V-groove and the angle between the cross section of V-groove are 81.5 °~82.5 °, the substrate includes base station and arranges the pedestal of V-groove, and base station and pedestal form step-like.The component that fiber array provided by the utility model uses is few, simple in construction, easy to process, and integrated level is high, is adapted to promote the use of in optical communication field.
Description
Technical Field
The utility model relates to the field of communication technology, more specifically relates to an optical fiber array for 5 passageway array waveguide grating wavelength division multiplexer.
Background
The plurality of optical fibers are arranged in a desired geometry in a sequence to form a Fiber Array (FA) device. The arrangement positions of the optical fibers at the two ends of the array are in one-to-one correspondence, one optical fiber in the array is equivalent to one pixel, and an optical image at one end of the optical fiber array can be reproduced at the other end of the array. The optical fiber array device is mainly used for directly transmitting images and is applied to planar optical waveguides, array waveguide optical fibers, active/passive array optical fiber devices, micro-electro-mechanical systems and multi-channel optical modules.
At present, a multi-channel optical fiber array widely used in a communication network is formed by bonding a substrate, a cover plate and optical fibers through glue. When the optical fiber array is manufactured, a substrate is placed on a clamp for FA assembly, a coating layer on the surface of an optical fiber is removed and cleaned, then the coating layer is orderly discharged into a groove on the surface of the substrate, a cover plate is covered on the optical fiber, the optical fiber with the coating layer removed is clamped between the substrate and the cover plate, then the substrate and the cover plate are fixed by the clamp, glue is distributed between the substrate and the cover plate after the fixation, and finally, the glue is cured by ultraviolet curing equipment.
The multichannel optical fiber array with the structure is characterized in that the optical fiber head is formed by arranging glue between the substrate and the cover plate and bonding the glue, and the optical fiber array is formed by clamping the optical fiber between the substrate and the cover plate after the complex process and bonding the optical fiber by the glue, so that the structure of the multichannel optical fiber array with the structure is complex, the processing difficulty is high, the production efficiency and the yield are low, the manufacturing cost of a product is high, and in addition, the requirement on operators is high during production.
SUMMERY OF THE UTILITY MODEL
To at least partially overcome the above-mentioned problems of the prior art, the present invention provides an optical fiber array for a 5-channel arrayed waveguide grating wavelength division multiplexer.
According to an aspect of the present invention, there is provided an optical fiber array for a 5-channel arrayed waveguide grating wavelength division multiplexer, comprising:
the optical fiber comprises a first tightly-packed optical fiber, a second tightly-packed optical fiber, a third tightly-packed optical fiber, a fourth tightly-packed optical fiber, a fifth tightly-packed optical fiber and a substrate with five parallel V-shaped grooves; wherein,
first ends of the first tightly packaged optical fiber, the second tightly packaged optical fiber, the third tightly packaged optical fiber, the fourth tightly packaged optical fiber and the fifth tightly packaged optical fiber are respectively fixed in the five parallel V-shaped grooves;
the distance between the first ends of the first tightly packaged optical fiber, the second tightly packaged optical fiber, the third tightly packaged optical fiber, the fourth tightly packaged optical fiber and the fifth tightly packaged optical fiber is 0.5 +/-0.0005 mm;
the included angle between the plane of the V-shaped groove and the cross section of the V-shaped groove is 81.5-82.5 degrees;
the base plate comprises a base platform and a base arranged with a V-shaped groove, wherein the base platform and the base form a step shape.
Second ends of the first tightly packaged optical fiber, the second tightly packaged optical fiber, the third tightly packaged optical fiber and the fourth tightly packaged optical fiber are connected with an LC/PC connector; and the second end of the fifth tightly-packed optical fiber is connected with the LC adapter.
The outer diameters of the first tightly-packed optical fiber, the second tightly-packed optical fiber, the third tightly-packed optical fiber, the fourth tightly-packed optical fiber and the fifth tightly-packed optical fiber are 0.3-0.35 mm.
The lengths of the first tightly packaged optical fiber, the second tightly packaged optical fiber, the third tightly packaged optical fiber and the fourth tightly packaged optical fiber are 32-36 mm; the length of the fifth tightly-packed optical fiber is 14.5 mm-17 mm.
The first tightly-packed optical fiber, the second tightly-packed optical fiber, the third tightly-packed optical fiber, the fourth tightly-packed optical fiber and the fifth tightly-packed optical fiber are respectively fixed in the five parallel V-shaped grooves through UV glue.
Wherein the included angle of the V-shaped groove is 60-70 degrees.
To sum up, the utility model provides a pair of an optical fiber array for 5 passageway array waveguide grating wavelength division multiplexer, first tight package optic fibre, the second tightly wraps optic fibre, the third tightly wraps optic fibre, the fourth tightly wraps optic fibre and the fifth first end that tightly wraps optic fibre is fixed respectively in the V type inslot of five parallels, first tightly wraps optic fibre, the second tightly wraps optic fibre, the third tightly wraps optic fibre, the fourth tightly wraps the interval between the first end of optic fibre and the fifth tightly wraps optic fibre is 0.5 0.0005mm, contained angle between the plane at V type groove place and the cross section in V type groove is 81.5 ~ 82.5. The utility model provides a subassembly that is used for 5 passageway array waveguide grating wavelength division multiplexer's fiber array to adopt is few, simple structure, and processing is convenient, and the integrated level is high, and the yield is high, and product reliability is good, and manufacturing cost is lower, is fit for using widely in the optical communication field.
Drawings
Fig. 1 is a schematic structural diagram of an optical fiber array for a 5-channel arrayed waveguide grating wavelength division multiplexer according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a first tightly-packed fiber and LC/PC connector connection in an optical fiber array for a 5-channel arrayed waveguide grating wavelength division multiplexer according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view illustrating a fifth upjacketed optical fiber and an LC adapter in an optical fiber array for a 5-channel arrayed waveguide grating wavelength division multiplexer according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of an optical fiber array for a 5-channel arrayed waveguide grating wavelength division multiplexer according to an embodiment of the present invention, as shown in fig. 1, including:
the optical fiber comprises a first tightly-packed optical fiber 2, a second tightly-packed optical fiber 2, a third tightly-packed optical fiber 3, a fourth tightly-packed optical fiber 5, a fifth tightly-packed optical fiber 6 and a substrate 1 with five parallel V-shaped grooves; wherein,
first ends of the first tightly packaged optical fiber 2, the second tightly packaged optical fiber 3, the third tightly packaged optical fiber 4, the fourth tightly packaged optical fiber 5 and the fifth tightly packaged optical fiber 6 are respectively fixed in the five parallel V-shaped grooves;
the distance between the first ends of the first tightly packed optical fiber 2, the second tightly packed optical fiber 3, the third tightly packed optical fiber 4, the fourth tightly packed optical fiber 5 and the fifth tightly packed optical fiber 6 is 0.5 +/-0.0005 mm;
the included angle between the plane of the V-shaped groove and the cross section of the V-shaped groove is 81.5-82.5 degrees;
the substrate 1 includes a base and a base arranged with a V-groove, the base and the base forming a step shape.
The single-mode or multi-mode optical fiber with the tight-sleeved secondary coating structure is called as a tight-sleeved optical fiber or a tight-wrapped optical fiber, is manufactured by directly and secondarily coating plastic on the primary coated optical fiber of the bare optical fiber, is a basic element for manufacturing various indoor optical cables, can be independently used, and can be directly used as a tail fiber for connecting various optical active or passive devices, instruments and terminal equipment and the like.
Preferably, after removing and cleaning the coating layer of the first end surfaces of the first, second, third, fourth and fifth upjacketed optical fibers 2, 3, 4, 5 and 6, the first end surfaces are orderly arranged in five parallel V-grooves, and the distance between the first ends of the first, second, third, fourth and fifth upjacketed optical fibers 2, 3, 4, 5 and 6 is 0.5 ± 0.0005 mm.
Wherein, the first tight package optic fibre 2, the second tight package optic fibre 3, the third tight package optic fibre 4, the fourth tight package optic fibre 5 and the fifth tight package optic fibre 6 between the first end interval be 0.5 0.0005mm for the subassembly that the fiber array that is used for 5 passageway array waveguide grating wavelength division multiplexer adopted is few, simple structure, and processing is convenient, and the integrated level is high.
Preferably, a first tightly-packed optical fiber 2, a second tightly-packed optical fiber 3, a third tightly-packed optical fiber 4, a fourth tightly-packed optical fiber 5 and a fifth tightly-packed optical fiber 6 are arranged in a substrate 1, a cover plate is pressed on the tightly-packed optical fibers, the tightly-packed optical fibers extend out of the substrate 1 and the front end of the cover plate, UV glue is dispensed for solidification, paraffin is dripped on the extended tightly-packed optical fibers to enable the tightly-packed optical fibers, the substrate 1 and the cover plate to form a whole optical fiber array semi-finished product, the manufactured optical fiber array semi-finished product is put into a grinding clamp and then put into a grinding disc of grinding equipment to carry out angle grinding on the whole, the angle formed after grinding is 82 degrees, grinding sand is required to be dripped on the grinding disc in the grinding process, and after the grinding is finished, the paraffin is cleaned by a cleaning agent, and an optical fiber naked type optical fiber array is.
Wherein, the contained angle between the plane that V type groove was located and the cross section of V type groove is 82, has improved the effect of optical signal's transmission.
The embodiment provides an optical fiber array for a 5-channel arrayed waveguide grating wavelength division multiplexer, wherein first ends of a first tightly-packed optical fiber, a second tightly-packed optical fiber, a third tightly-packed optical fiber, a fourth tightly-packed optical fiber and a fifth tightly-packed optical fiber are respectively fixed in five parallel V-shaped grooves, the distance between the first ends of the first tightly-packed optical fiber, the second tightly-packed optical fiber, the third tightly-packed optical fiber, the fourth tightly-packed optical fiber and the fifth tightly-packed optical fiber is 0.5 +/-0.0005 mm, and the included angle between the plane where the V-shaped groove is located and the cross section of the V-shaped groove is 81.5 to 82.5 degrees. The optical fiber array for the 5-channel arrayed waveguide grating wavelength division multiplexer provided by the embodiment adopts few components, is simple in structure, convenient to process, high in integration level, high in yield, good in product reliability, low in production cost and suitable for popularization and use in the field of optical communication.
In another embodiment of the present invention, referring to fig. 2 and 3, the second ends of the first, second, third and fourth optical fibers are all connected to the LC/PC connector;
and the second end of the fifth tightly-packed optical fiber is connected with the LC adapter.
Preferably, the manner in which the first upjacketed optical fiber 2, the second upjacketed optical fiber 3, the third upjacketed optical fiber 4, and the fourth upjacketed optical fiber 5 are connected to the LC/PC connector 7 will be described by taking as an example that the second end of the first upjacketed optical fiber 2 is connected to the LC/PC connector 7, the second end of the first upjacketed optical fiber 2 is inserted into the LC/PC connector 7, 353ND glue 9 is first injected into the gap inside the LC/PC connector 7, and then the UV glue 10 is injected.
The UV adhesive is also called shadowless adhesive, photosensitive adhesive and ultraviolet curing adhesive, and the UV adhesive is an adhesive which can be cured only by ultraviolet irradiation, can be used as an adhesive and can also be used as a sizing material of paint, coating, ink and the like.
The 353ND is a double-component 100% entity, is a thermosetting epoxy resin adhesive developed under the high-temperature condition, can work for several minutes at 300-400 ℃ although the 353ND is designed to work continuously at 200 ℃, has excellent resistance to various solvents and chemicals, and is an ideal adhesive for binding optical fibers, metal, glass, ceramics and most plastics.
Preferably, the second end of the fifth upjacketed optical fiber 6 extends into the interior of the LC adapter 8, and 353ND glue 9 is injected into the gap in the interior of the LC adapter 8 first, and then the UV glue 10 is injected.
In another embodiment of the present invention, based on the above embodiment, the outer diameters of the first tightly packed optical fiber 2, the second tightly packed optical fiber 3, the third tightly packed optical fiber 4, the fourth tightly packed optical fiber 5, and the fifth tightly packed optical fiber 6 are 0.3mm to 0.35 mm.
Preferably, the outer diameter of first upjacketed optical fiber 2, second upjacketed optical fiber 3, third upjacketed optical fiber 4, fourth upjacketed optical fiber 5, and fifth upjacketed optical fiber 6 is 0.32 mm.
Preferably, first upjacketed optical fiber 2, second upjacketed optical fiber 3, third upjacketed optical fiber 4, fourth upjacketed optical fiber 5, and fifth upjacketed optical fiber 6 are G657B3 optical fibers.
In another embodiment of the present invention, based on the above embodiment, the lengths of the first tightly-packed optical fiber 2, the second tightly-packed optical fiber 3, the third tightly-packed optical fiber 4, and the fourth tightly-packed optical fiber 5 are 32mm to 36 mm;
the length of the fifth tightly-packed optical fiber 6 is 14.5 mm-17 mm.
Preferably, the lengths of first upjacketed optical fiber 2, second upjacketed optical fiber 3, third upjacketed optical fiber 4, and fourth upjacketed optical fiber 5 are 34 mm.
Preferably, the length of fifth upjacketed optical fiber 6 is 16 mm.
In another embodiment of the present invention, based on the above embodiment, the first upjacketed optical fiber 2, the second upjacketed optical fiber 3, the third upjacketed optical fiber 4, the fourth upjacketed optical fiber 5, and the fifth upjacketed optical fiber 6 are respectively fixed in the five parallel V-shaped grooves by the UV glue 10.
Specifically, after coating layers of first end surfaces of a first tightly packaged optical fiber 2, a second tightly packaged optical fiber 3, a third tightly packaged optical fiber 4, a fourth tightly packaged optical fiber 5 and a fifth tightly packaged optical fiber 6 are removed and cleaned, the first end surfaces are orderly arranged in five parallel V-shaped grooves respectively, then a cover plate is covered on the first tightly packaged optical fiber 2, the second tightly packaged optical fiber 3, the third tightly packaged optical fiber 4, the fourth tightly packaged optical fiber 5 and the fifth tightly packaged optical fiber 6, a base plate 1 and the cover plate are fixed by using a clamp, and UV glue is distributed between the base plate 1 and the cover plate in a point mode after the fixing.
In another embodiment of the present invention, based on the above embodiment, the included angle of the V-shaped groove is 60 ° to 70 °.
Preferably, the included angle of the V-shaped groove is 65 degrees.
The embodiment provides an optical fiber array for a 5-channel arrayed waveguide grating wavelength division multiplexer, and the included angle of a V-shaped groove is 60-70 degrees, so that the arrangement position of optical fibers in the V-shaped groove needs to be deep, the optical fiber array is stable, the stress is uniform, and the yield of products is improved.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (6)
1. An optical fiber array for a 5-channel arrayed waveguide grating wavelength division multiplexer, comprising:
the optical fiber comprises a first tightly-packed optical fiber, a second tightly-packed optical fiber, a third tightly-packed optical fiber, a fourth tightly-packed optical fiber, a fifth tightly-packed optical fiber and a substrate with five parallel V-shaped grooves; wherein,
first ends of the first tightly packaged optical fiber, the second tightly packaged optical fiber, the third tightly packaged optical fiber, the fourth tightly packaged optical fiber and the fifth tightly packaged optical fiber are respectively fixed in the five parallel V-shaped grooves;
the distance between the first ends of the first tightly packaged optical fiber, the second tightly packaged optical fiber, the third tightly packaged optical fiber, the fourth tightly packaged optical fiber and the fifth tightly packaged optical fiber is 0.5 +/-0.0005 mm;
the included angle between the plane of the V-shaped groove and the cross section of the V-shaped groove is 81.5-82.5 degrees;
the base plate comprises a base platform and a base arranged with a V-shaped groove, wherein the base platform and the base form a step shape.
2. The fiber array of claim 1, wherein second ends of the first, second, third, and fourth upjacketed fibers are each connected to an LC/PC connector;
and the second end of the fifth tightly-packed optical fiber is connected with the LC adapter.
3. The fiber array of claim 1, wherein the first, second, third, fourth, and fifth tight-buffered fibers have an outer diameter of 0.3mm to 0.35 mm.
4. The fiber array of claim 3, wherein the first, second, third, and fourth tight-buffered fibers have a length of 32-36 mm;
the length of the fifth tightly-packed optical fiber is 14.5 mm-17 mm.
5. The fiber array of claim 1, wherein the first, second, third, fourth, and fifth upjacketed fibers are each secured within the five parallel V-grooves by UV glue.
6. The optical fiber array of claim 1, wherein the included angle of the V-grooves is 60 ° to 70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221653.8U CN206741031U (en) | 2017-09-22 | 2017-09-22 | A kind of fiber array for being used for 5 channel array waveguide grating multiplexers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221653.8U CN206741031U (en) | 2017-09-22 | 2017-09-22 | A kind of fiber array for being used for 5 channel array waveguide grating multiplexers |
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| CN206741031U true CN206741031U (en) | 2017-12-12 |
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| CN201721221653.8U Active CN206741031U (en) | 2017-09-22 | 2017-09-22 | A kind of fiber array for being used for 5 channel array waveguide grating multiplexers |
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