JPH04129111U - Light source and optical fiber coupler - Google Patents
Light source and optical fiber couplerInfo
- Publication number
- JPH04129111U JPH04129111U JP4336991U JP4336991U JPH04129111U JP H04129111 U JPH04129111 U JP H04129111U JP 4336991 U JP4336991 U JP 4336991U JP 4336991 U JP4336991 U JP 4336991U JP H04129111 U JPH04129111 U JP H04129111U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- parallel light
- light
- optical fiber
- light source
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
(57)【要約】
【目的】 光源１の出射光を平行光１１に変換し、平行
光１１をレンズ３とレンズ４で平行光１２に変換して光
ファイバ６との光軸合わせを容易にし、さらに平行光１
２のコリメート状態を補正して結合効率を向上させる。
【構成】 光源１の出射光を平行光１１に変換するレン
ズ２と、平行光１１を集光するレンズ３と、レンズ３の
出力光を平行光１２に変換するレンズ４と、平行光１２
を光ファイバ６に集光するレンズ５とを備え、レンズ３
とレンズ４の位置を調節することにより、平行光１１の
光軸とコリメート状態を補正して、平行光１２とする。
(57) [Summary] [Purpose] Convert the emitted light from the light source 1 into parallel light 11, convert the parallel light 11 into parallel light 12 using lenses 3 and 4, and facilitate optical axis alignment with the optical fiber 6. , and further parallel light 1
Correct the collimation state of No. 2 to improve the coupling efficiency. [Structure] A lens 2 that converts the emitted light of the light source 1 into parallel light 11, a lens 3 that collects the parallel light 11, a lens 4 that converts the output light of the lens 3 into parallel light 12, and a parallel light 12.
and a lens 5 that condenses the light onto an optical fiber 6.
By adjusting the position of the lens 4, the optical axis and collimation state of the parallel light 11 are corrected, and the parallel light 12 is made into parallel light 12.
Description
【０００１】0001
この考案は、光源の出射光を平行光に変換し、この平行光を光ファイバに結合 する光源と光ファイバの結合器についてのものである。 This idea converts the light emitted from the light source into parallel light, and couples this parallel light into an optical fiber. This is about a light source and an optical fiber coupler.
【０００２】0002
次に、従来技術による光源と光ファイバの結合器の構成を図２により説明する 。図２の１は光源、２と５はレンズ、６は光ファイバである。光源１には発光素 子を使用している。光源１の出射光はレンズ２により平行光１１に変換され、平 行光１１はレンズ５により光ファイバ６へ集束される。光源１、レンズ２、レン ズ５及び光ファイバ６はそれぞれ固定されるが、光軸結合を完全にするためには レンズ２・５の調整が必要となる。 Next, the configuration of a conventional light source and optical fiber coupler will be explained with reference to FIG. . In FIG. 2, 1 is a light source, 2 and 5 are lenses, and 6 is an optical fiber. Light source 1 has a light emitting element using a child. The light emitted from the light source 1 is converted into parallel light 11 by the lens 2, and The line light 11 is focused by a lens 5 onto an optical fiber 6. Light source 1, lens 2, lens The lens 5 and the optical fiber 6 are each fixed, but in order to complete the optical axis coupling, Adjustment of lenses 2 and 5 is required.
【０００３】0003
図２では、平行光１１を光ファイバ６にレンズ５を介して直接結合させるので 、光軸合わせが困難であり、さらに平行光１１のコリメート状態が不完全な場合 は結合損失が大きくなる。 In FIG. 2, parallel light 11 is directly coupled to optical fiber 6 via lens 5. , when it is difficult to align the optical axis and the collimated state of the parallel light 11 is incomplete. The coupling loss becomes large.
【０００４】 この考案は、光源１の出射光を平行光１１に変換し、平行光１１をレンズ３と レンズ４で平行光１２に変換して光ファイバ６との光軸合わせを容易にし、さら に平行光１２のコリメート状態を補正して結合効率を向上させることを目的とす る。0004 This idea converts the emitted light from a light source 1 into parallel light 11, and converts the parallel light 11 into a lens 3. The lens 4 converts it into parallel light 12 to facilitate alignment of the optical axis with the optical fiber 6. The purpose is to improve the coupling efficiency by correcting the collimation state of the parallel light 12. Ru.
【０００５】[0005]
この目的を達成するため、この考案では、光源１の出射光を平行光１１に変換 するレンズ２と、平行光１１を集光するレンズ３と、レンズ３の出力光を平行光 １２に変換するレンズ４と、平行光１２を光ファイバ６に集光するレンズ５とを 備え、レンズ３とレンズ４の位置を調節することにより、平行光１１の光軸とコ リメート状態を補正して平行光１２とする。 In order to achieve this purpose, this invention converts the emitted light from the light source 1 into parallel light 11. A lens 2 that collects the parallel light 11, a lens 3 that collects the parallel light 11, and a lens 3 that collects the output light of the lens 3 as a parallel light. 12, and a lens 5 that focuses the parallel light 12 onto the optical fiber 6. By adjusting the positions of lens 3 and lens 4, the optical axis of parallel light 11 and The remate state is corrected to form parallel light 12.
【０００６】[0006]
次に、この考案による光源と光ファイバの結合器の構成を図１により説明する 。図１の３と４はレンズであり、その他は図２と同じものである。光源１からの 出射光はレンズ２により平行光１１に変換される。平行光１１はレンズ３により 集光され、レンズ４により平行光１２に変換される。平行光１２はレンズ５によ り光ファイバ６へ集束される。図１によれば、平行光１１はレンズ３とレンズ４ により角度や平行度等を補正されて平行光１２に変換される。 Next, the configuration of the light source and optical fiber coupler according to this invention will be explained with reference to FIG. . 3 and 4 in FIG. 1 are lenses, and the other parts are the same as in FIG. 2. from light source 1 The emitted light is converted into parallel light 11 by the lens 2. Parallel light 11 is transmitted by lens 3 The light is focused and converted into parallel light 12 by the lens 4. Parallel light 12 is passed through lens 5. and is focused into an optical fiber 6. According to FIG. 1, parallel light 11 is transmitted through lens 3 and lens 4. The angle, parallelism, etc. are corrected and the beam is converted into parallel light 12.
【０００７】[0007]
この考案によれば、平行光１１を平行光１２に変換する際、レンズ３とレンズ ４を調整することにより平行光１２の出射角度等を調整できるので、光ファイバ ６との光軸合わせが容易となる。また、レンズ３とレンズ４を調整することによ り平行光１２のコリメート状態を補正できるので、結合効率を改善することがで きる。 According to this invention, when converting parallel light 11 to parallel light 12, lens 3 and lens 4, the output angle of the parallel light 12 can be adjusted, so the optical fiber It becomes easy to align the optical axis with 6. Also, by adjusting lenses 3 and 4, Since the collimation state of the parallel light 12 can be corrected, the coupling efficiency can be improved. Wear.
【図面の簡単な説明】[Brief explanation of drawings]
【図１】この考案による光源と光ファイバの結合器の構
成図である。FIG. 1 is a configuration diagram of a light source and optical fiber coupler according to the present invention.
【図２】従来技術による光源と光ファイバの結合器の構
成図である。FIG. 2 is a block diagram of a light source and optical fiber coupler according to the prior art.
１ 光源 ２〜５ レンズ ６ 光ファイバ １１ 平行光 １２ 平行光 1 light source 2-5 lenses 6 Optical fiber 11 Parallel light 12 Parallel light
Claims (1)
変換する第１のレンズ(2) と、第１の平行光(11)を集光
する第２のレンズ(3) と、第２のレンズ(3) の出力光を
第２の平行光(12)に変換する第３のレンズ(4) と、第２
の平行光(12)を光ファイバ(6) に集光する第４のレンズ
(5) とを備え、第２のレンズ(3) と第３のレンズ(4) の
位置を調節することにより、第１の平行光(11)の光軸と
コリメート状態を補正して第２の平行光(12)とすること
を特徴とする光源と光ファイバの結合器。Claim 1: A first lens (2) that converts the emitted light of the light source (1) into a first parallel light (11), and a second lens (2) that condenses the first parallel light (11). 3), a third lens (4) that converts the output light of the second lens (3) into a second parallel light (12), and a second
A fourth lens that focuses the parallel light (12) onto the optical fiber (6)
(5) By adjusting the positions of the second lens (3) and the third lens (4), the optical axis and collimation state of the first parallel light (11) can be corrected and the second parallel light can be adjusted. A coupler of a light source and an optical fiber, characterized in that the parallel light (12) is produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991043369U JP2604171Y2 (en) | 1991-05-15 | 1991-05-15 | Light source and optical fiber coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991043369U JP2604171Y2 (en) | 1991-05-15 | 1991-05-15 | Light source and optical fiber coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04129111U true JPH04129111U (en) | 1992-11-25 |
| JP2604171Y2 JP2604171Y2 (en) | 2000-04-17 |
Family
ID=31923710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991043369U Expired - Fee Related JP2604171Y2 (en) | 1991-05-15 | 1991-05-15 | Light source and optical fiber coupler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2604171Y2 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5056957A (en) * | 1973-09-17 | 1975-05-19 | ||
| JPS5245451U (en) * | 1975-09-26 | 1977-03-31 | ||
| JPS56158932A (en) * | 1980-04-23 | 1981-12-08 | Cselt Centro Studi Lab Telecom | Optical device for damping measuring device with high connection efficiency especially employing back scattering technique |
| JPS6344619A (en) * | 1986-08-12 | 1988-02-25 | Taisei Kogyo Kk | Solar ray converging and transmitting device |
| JPH0160209U (en) * | 1987-10-13 | 1989-04-17 | ||
| JPH01128013A (en) * | 1987-11-13 | 1989-05-19 | Hitachi Ltd | Fiber collimator for optical module |
-
1991
- 1991-05-15 JP JP1991043369U patent/JP2604171Y2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5056957A (en) * | 1973-09-17 | 1975-05-19 | ||
| JPS5245451U (en) * | 1975-09-26 | 1977-03-31 | ||
| JPS56158932A (en) * | 1980-04-23 | 1981-12-08 | Cselt Centro Studi Lab Telecom | Optical device for damping measuring device with high connection efficiency especially employing back scattering technique |
| JPS6344619A (en) * | 1986-08-12 | 1988-02-25 | Taisei Kogyo Kk | Solar ray converging and transmitting device |
| JPH0160209U (en) * | 1987-10-13 | 1989-04-17 | ||
| JPH01128013A (en) * | 1987-11-13 | 1989-05-19 | Hitachi Ltd | Fiber collimator for optical module |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2604171Y2 (en) | 2000-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH04129111U (en) | Light source and optical fiber coupler | |
| JPH0643341A (en) | Coupler for light source and optical fiber | |
| JPS6438890U (en) | ||
| JPS59143115A (en) | Condensing and transmitting system of sunbeam | |
| JPH036365U (en) | ||
| JPS6064313A (en) | Optical fiber with lens | |
| JPH0323409A (en) | Optical coupler | |
| JPS6147265U (en) | Monochromatic light strong energy combined irradiation device for plant growth box | |
| JP2501581Y2 (en) | Light-receiving element module | |
| JPS6219817A (en) | Optical branching and coupling device | |
| JPH0413250U (en) | ||
| JPH02146601U (en) | ||
| JPH01156845U (en) | ||
| JPS623073U (en) | ||
| JPS6311011U (en) | ||
| JPH0158969U (en) | ||
| JPS62127511U (en) | ||
| JPH0333403U (en) | ||
| JPH0432054U (en) | ||
| JPH0386663U (en) | ||
| JPH04113464U (en) | optical module | |
| JPH0336160U (en) | ||
| JPH02120963U (en) | ||
| JPS61162380U (en) | ||
| JPS63137965U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R323113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |