JPS58208717A - Apparatus for connecting light radient generator and light waveguide path - Google Patents
Apparatus for connecting light radient generator and light waveguide pathInfo
- Publication number
- JPS58208717A JPS58208717A JP8243683A JP8243683A JPS58208717A JP S58208717 A JPS58208717 A JP S58208717A JP 8243683 A JP8243683 A JP 8243683A JP 8243683 A JP8243683 A JP 8243683A JP S58208717 A JPS58208717 A JP S58208717A
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- block
- radiation
- waveguide
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は光幅躬発／ｌ：器と光導波路とを結合りるため
の装置に係る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for coupling an optical waveguide to an optical waveguide.
このタイプの装置はシー１Ｆ光束放出器とこのレーデ光
束をＡブヂカルノノフイバの先端に集中させることがで
きる集束光学系とを同一軸線、１に一列に並べて包含す
るという形式のものが公知Ｃある。This type of device is known to include a SIE 1F beam emitter and a focusing optical system capable of concentrating this Radhe beam onto the tip of the A-butical nanofiber, arranged in a line on the same axis. There is C.
但しこの装置はさまざまな欠点を示乃。実際光学系とＡ
プブカルファイバ先端との間の距離の精密調整が必要と
される。他方では光束の集束領域内でのレーザエネルギ
の分布はこの調整の稈度に左右される。However, this device exhibits various drawbacks. Actual optical system and A
Precise adjustment of the distance between the fiber tip and the fiber tip is required. On the other hand, the distribution of the laser energy within the focal region of the light beam depends on the degree of adjustment.
本発明はこれらの欠点を足止りることを目的とづる。The present invention aims to overcome these drawbacks.
本発明は光輻射光生器と、輻射集束手段と、この集束さ
れた輻射を先端の一つにｄ３いて受容するべく配置され
た光導波路とを包含し、前記の輻射集束手段が前記の輻
射を透過づるブｌ」ツクにり成り、こまブロックの外面
はそれぞれ凸及び１１！Ｊの対向づる第−而及び第二面
を合ｌυでＪ３す、第一面は第二面より大きく平行入射
光束に従って輻射を受容するべく配置され°〔おり、こ
の第−而の曲率は透過１日ツク内で屈折される入射光束
を第二面」。The present invention includes an optical radiation generator, radiation focusing means, and an optical waveguide arranged to receive the focused radiation at one of its tips, said radiation focusing means directing said radiation. The outer surface of the top block is convex and 11! The sum of the opposing first and second surfaces of J is lυ, J3. The incident light flux that is refracted within one day is reflected on the second surface.
に集束させるべく決定され、第二面の曲率は集束された
光束が平行出射光栄に従って第二面を通っでブ［ｌツク
から出ｔＡするべく決定され、出射光束の断面は入射光
束の断面Ｊ、り小さく、従って出ＱＪ光朱は導波路の前
記の先端を通して導波路内に完全に吸収されることがで
きることを特徴とする光輻剣発牛器と光導波路とを結合
するだめの装置に係る。The curvature of the second surface is determined such that the focused beam passes through the second surface and exits the block according to the parallel output beam, and the cross section of the output beam is equal to the cross section J of the incident beam. , is smaller and therefore the output QJ light can be completely absorbed into the waveguide through the tip of the waveguide. It depends.
添イＮＪ図面を参照しく本発明の具体例につさ以ドに詳
しく説明する。Specific examples of the present invention will now be described in detail with reference to the accompanying drawings.
第１図にＪ、れば、レー’ｆ １ｉＪｌ出器１はｌｌ’
１ｌ１３に従う平行光束２を放出づる。軸３を中心とづ
るシー１ｆ輻ａｔを透過する円筒形ブロック４は平ｔ１
光束２の軌跡上に配置されでいる。このブロック４は異
なる光学特性を持つ２秤類の１利により成る２つの部品
５及び６を含む。例えばこれらの１利は異なる屈折率、
異なる分散ｂｂ＜は同時に異なる屈折甲と分散とを持つ
ことができる。部品５及び６（よ接合面７に従って相勾
に貼りつりられる。ブロック４の外面の底部【、１ブ【
」ツク内を透過する光束２の＊ １，７Ｊる軸３上に中
心を定める例えば球面状の凸曲面８を含む。ブロック４
の外面のもう一方の底部は面８と対向し軸３上に中心を
定められた同様に球面状の凹曲面９を含む。光束２は面
８より小＝Ｊ法の而９１にレーザエネルギを集束させる
集束光束１０内に従ってブロック４内で屈折される。If J in Figure 1, then ray'f 1iJl output 1 is ll'
It emits a parallel light beam 2 according to 1l13. The cylindrical block 4 that passes through the sea 1f radiation at centered on the axis 3 is flat t1.
It is placed on the trajectory of the light beam 2. This block 4 comprises two parts 5 and 6 consisting of two scales with different optical properties. For example, these 1 interest points have different refractive indexes,
Different dispersions bb< can have different refractive insteps and dispersions at the same time. Parts 5 and 6 (attached in phase with each other according to the joint surface 7. At the bottom of the outer surface of block 4, 1 block
It includes a convex curved surface 8, for example a spherical surface, whose center is on the axis 3 of the light beam 2 transmitted through the lens. block 4
The other bottom of the outer surface of comprises a similarly spherical concave surface 9 opposite surface 8 and centered on axis 3 . The beam 2 is refracted within the block 4 according to a converging beam 10 which focuses the laser energy on a plane 91 smaller than the plane 8 = J law.
而９の曲率は光束１０が光束２より小断面の平行光束１
１に従ってブロック４から出射されるにうにして決定さ
れる。オプチカルファイバ１２の入射端面１３は光束１
１を受容するようにして軸３上に中心を定められる。光
束１１の直径はノア、イバ１２の直径に比し小さいかま
たは等しく従つ−Ｃファイバ１２はレーザエネルギを完
全に吸収づる。The curvature of 9 is such that the light beam 10 has a smaller cross section than the light beam 2.
1, the output from the block 4 is determined as follows. The input end face 13 of the optical fiber 12 has a light beam 1
1 is centered on axis 3 to receive 1. Since the diameter of the beam 11 is smaller than or equal to the diameter of the fiber 12, the C fiber 12 completely absorbs the laser energy.
故にブロック４はコンバクｌ−な無焦点光学系を構成ゾ
る。異なる特性の相互に密着した２つの部品より成るこ
のブロックの具体例は色収差又は幾何学収差が生じた場
合にこれらを修正りることを可能ならしめる。Therefore, block 4 constitutes a compact afocal optical system. This embodiment of the block, consisting of two mutually close-fitting parts of different properties, makes it possible to correct chromatic or geometrical aberrations if they occur.
本ＨｆＦ？のは能が放出器１とファイバ１２との間Ｃｌ
１１１３に沿っＣ行われるブロック４の移ａノの影響を
受（）ることは勿論あり冑’Ｊい。さらにこの秤の移動
は光束１１内のレーＩｆ ：［ネルギの横断分布に変化
を！ｊえること一〇ない。Book HfF? The function is to connect Cl between emitter 1 and fiber 12.
Of course, it is possible that it will be affected by the movement of block 4 which is carried out along line 1113. Furthermore, the movement of this scale causes a change in the transverse distribution of energy in the light beam 11! There's nothing I can say about it.
第２図にＪ：れば半導体レーザ放出器１４は細長い長方
形の放出面１５を含む。この場合にｔ、Ｌ透過ブロック
は薄い平行六面体形状１６を持つ、、放出器１４のレー
Ｉｆ幅躬（図示されていない）はレーザ１４の放出面１
５に対向して配置された凸面１７によつτブｌ］ツク１
６内に入射覆る。レーザ”輻射出射面１８は凹形をなす
。図示の如く而１７及び１８はブロック１６の大断面の
対向１６２面に従って配置される。ブ［１ツク１６から
出射される輻０・１は通常の場合平１゛ｉ六面体形状を
持Ｉ）、ＩＦＩ ４Ｊに平行六面体のｈ形導波路１９の
端面を通って完勿論透過ブロックは単−個のガラスで形
成されるかまたは異なる光学特性を右づる２個以上のガ
ラスを含むことができる。さらに曲面８及び９は非球面
であってもよい。In FIG. 2, the semiconductor laser emitter 14 includes an elongated rectangular emission surface 15. In FIG. In this case, the transmission block has a thin parallelepiped shape 16, and the beam width (not shown) of the emitter 14 is the emission surface 1 of the laser 14.
Due to the convex surface 17 placed opposite to 5,
Covers the incidence within 6. The laser radiation emitting surface 18 has a concave shape. As shown in the figure, 17 and 18 are arranged according to the opposing 162 plane of the large cross section of the block 16. The radiation 0 and 1 emitted from the block 16 is In the case of IFI 4J having a hexahedral shape, the transmission block is of course formed of a single piece of glass or has different optical properties. It can contain more than one piece of glass. Furthermore, the curved surfaces 8 and 9 can be aspherical.
第１図は本発明に従う装置の一具体例の長さ方向の断面
図、
第２図は本発明に従う装置の別の具体例を間隔を於いて
配置した説明図である。
１・・・レーザ放出器、４・・・透過ブロック、７・・
・接合面、８・・・凸曲面、９・・・凹曲面、１２・・
・導波路。
代Ｆ１１人＊ｓ＋士今 村 ルFIG. 1 is a longitudinal sectional view of one embodiment of the device according to the invention, and FIG. 2 is a spaced illustration of another embodiment of the device according to the invention. 1... Laser emitter, 4... Transmission block, 7...
・Joint surface, 8... Convex curved surface, 9... Concave curved surface, 12...
・Waveguide. Substitute F11 people*s+Shiima Mura Ru
Claims (1)
輻射を先端の一つにおいて受容づるべく配置された光導
波路とを包含しＣおり、前記の輻射集束手段が該輻射を
透過するブ［１ツクより成っており、前記のブ［１ツク
の外面は各々凸及び門形状の対向りる第−面及び第二面
を含んでおり、第一面は第二面Ｊ、り人であり平行入射
光束に従う光輻射を受容するべく配置されＣおり、該第
−面の曲率は透過ブＬＪツク内（゛屈折される入射光束
を第二面１：に集束させるべく決定され、該第二面の曲
率は集束された光束が甲行用射光東に従っ（該第ｓ二面
を通して該透過ブロックから出射するべく決定され、前
記光束の高面は入射光束の高面Ｊ、り小であり、従って
出射光束は）９波路の前記の先端を通し°（導波路内に
完全に吸収されることがぐきることを特徴とする光輻射
発生器と光導波路とを結合するための装置。 （２）透過ブロックが相互に密着した数個の部品を含ん
でおり、これらの部品が異なる光学特性を右する材料に
より成ることを特徴とする特許請求の範囲第１項に記載
のｖｉ置。 （３）透過ブロックが円筒型の一般形状を右しており、
第−曲面及び第二曲面が該円筒形ブロックの収面上に配
設されていることを特徴とする特許請求の範囲第１項に
記載の装置。 （４）透過ブロックが薄い平行六面体形状を有しており
、第−及び第二曲面は前記のブロックの大断面の対向す
る２面に従って配置されることを特徴とする特！ｒＴ請
求の範囲第１項に記載の装置。 （５）入射光束、第一曲面、第二曲面及び導波路の前記
の先端が同一軸線上に中心を定められ（いることを特徴
とする特許請求の範囲第１項に記載の装置。 （６ン第−及び第１−曲面が球状であることを１５昨と
する特許請求の範囲第５項に記載の装置。 （７）光輻剣発１゛器がレーザ放出器であり導波路がＡ
ブチ７］ルファイバであることを特徴とする特Ｂ′を請
求の範囲第１項に記載の装置。[Scope of Claims] (1) The radiation focusing means includes an optical width tJJR, a radiation focusing means, and an optical waveguide arranged to receive the focused radiation at one of its tips. consists of a block that transmits said radiation, and the outer surface of said block includes opposing first and second surfaces that are convex and gate-shaped, respectively; The second surface J is arranged to receive the light radiation following the parallel incident light beam, and the curvature of the first surface is such that the curvature of the first surface is such that the incident light beam to be refracted is focused on the second surface 1. The curvature of the second surface is determined so that the focused light beam follows the incoming light beam east (through the s second surface and exits from the transmission block, and the high surface of the light beam follows the direction of the incident light beam. An optical radiation generator and an optical waveguide characterized in that the high surface J is small, so that the emitted light beam passes through the tip of the waveguide and is completely absorbed into the waveguide. (2) The transmission block comprises several parts in close contact with each other, and these parts are made of materials exhibiting different optical properties. (3) The transmission block has a cylindrical general shape,
2. Device according to claim 1, characterized in that the second curved surface and the second curved surface are arranged on the converging surface of the cylindrical block. (4) The transparent block has a thin parallelepiped shape, and the first and second curved surfaces are arranged according to two opposing sides of the large cross section of the block! rT A device according to claim 1. (5) The device of claim 1, wherein the incident beam, the first curved surface, the second curved surface, and the tip of the waveguide are centered on the same axis. The device according to claim 5, wherein the first and first curved surfaces are spherical. (7) The optical radiation emitter is a laser emitter and the waveguide is an A
7. The device according to claim 1, characterized in that the device is made of fiber.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8208416 | 1982-05-14 | ||
| FR8208416A FR2526961A1 (en) | 1982-05-14 | 1982-05-14 | DEVICE FOR CONNECTING AN OPTICAL RADIATION GENERATOR AND AN OPTICAL WAVEGUIDE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58208717A true JPS58208717A (en) | 1983-12-05 |
Family
ID=9274035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8243683A Pending JPS58208717A (en) | 1982-05-14 | 1983-05-11 | Apparatus for connecting light radient generator and light waveguide path |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS58208717A (en) |
| DE (1) | DE3317093A1 (en) |
| FR (1) | FR2526961A1 (en) |
| GB (1) | GB2120400B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60161309U (en) * | 1984-04-04 | 1985-10-26 | 株式会社 冨士化学工業所 | Optical fiber receptacle |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8312650D0 (en) * | 1983-05-07 | 1983-06-08 | Plessey Co Plc | Optical connectors |
| DE3413749A1 (en) * | 1984-04-12 | 1985-10-17 | Telefunken electronic GmbH, 7100 Heilbronn | Optical system |
| JPS60262119A (en) * | 1984-06-08 | 1985-12-25 | Olympus Optical Co Ltd | Optical lighting system for endoscope |
| NL8403535A (en) * | 1984-11-21 | 1986-06-16 | Philips Nv | DEVICE FOR OPTICALLY COUPLING A RADIANT SOURCE TO AN OPTICAL TRANSMISSION FIBER. |
| FR2579333B1 (en) * | 1985-03-20 | 1987-07-03 | Instruments Sa | WAVELENGTH MULTIPLEXER-DEMULTIPLEXER CORRECTED FOR GEOMETRIC AND CHROMATIC ABERRATIONS |
| DE3782505T2 (en) * | 1986-01-14 | 1993-03-25 | Kobe Steel Ltd | METHOD AND DEVICE FOR MEASURING THE OVEN TEMPERATURE IN AN ISOSTATIC HOT PRESSING UNIT. |
| US5111331A (en) * | 1987-07-01 | 1992-05-05 | Research Frontiers Incorporated | Electro-optical light modulator |
| DK158169C (en) * | 1987-08-31 | 1990-09-03 | Dantec Elektronik Med | LASER LIGHT CONNECTION MANIPULATOR FOR AN OPTICAL FIBER |
| DE19613755A1 (en) * | 1996-04-06 | 1997-10-09 | Sel Alcatel Ag | Optical coupler for light guide structures |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2867152A (en) * | 1956-05-28 | 1959-01-06 | Boolsky-Bogopolsky Raphael | Optical system comprising two lens elements with one element having two separated concentric surfaces |
| US3422246A (en) * | 1965-08-18 | 1969-01-14 | Kearney & Trecker Corp | Laser cutting machine tool |
| GB1567604A (en) * | 1976-02-02 | 1980-05-21 | Rank Organisation Ltd | Optical system |
| GB1569615A (en) * | 1976-10-19 | 1980-06-18 | Standard Telephones Cables Ltd | Coupling optical fibres |
| US4186995A (en) * | 1978-03-30 | 1980-02-05 | Amp Incorporated | Light device, lens, and fiber optic package |
| DE2849543A1 (en) * | 1978-11-15 | 1980-05-29 | Messerschmitt Boelkow Blohm | Optical and electrical coupling for laser therapy instrument - allowing automatic disconnection of laser when instrument handpiece is removed by using electrical contacts in socket bores |
-
1982
- 1982-05-14 FR FR8208416A patent/FR2526961A1/en active Granted
-
1983
- 1983-05-06 GB GB08312476A patent/GB2120400B/en not_active Expired
- 1983-05-10 DE DE19833317093 patent/DE3317093A1/en not_active Withdrawn
- 1983-05-11 JP JP8243683A patent/JPS58208717A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60161309U (en) * | 1984-04-04 | 1985-10-26 | 株式会社 冨士化学工業所 | Optical fiber receptacle |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2526961B1 (en) | 1984-12-07 |
| GB2120400B (en) | 1985-12-11 |
| GB2120400A (en) | 1983-11-30 |
| GB8312476D0 (en) | 1983-06-08 |
| DE3317093A1 (en) | 1983-11-17 |
| FR2526961A1 (en) | 1983-11-18 |
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