JPS62284326A - Optical waveguide device - Google Patents
Optical waveguide deviceInfo
- Publication number
- JPS62284326A JPS62284326A JP61127270A JP12727086A JPS62284326A JP S62284326 A JPS62284326 A JP S62284326A JP 61127270 A JP61127270 A JP 61127270A JP 12727086 A JP12727086 A JP 12727086A JP S62284326 A JPS62284326 A JP S62284326A
- Authority
- JP
- Japan
- Prior art keywords
- face
- optical fiber
- semiconductor laser
- laser
- light
- 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
- 230000003287 optical effect Effects 0.000 title claims description 23
- 239000013307 optical fiber Substances 0.000 claims abstract description 34
- 239000004065 semiconductor Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 6
- 230000000644 propagated effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 108091008695 photoreceptors Proteins 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
【発明の詳細な説明】 ３、発明の詳細な説明 ［産業上の利用分野］ 本発明は、レーザ光を収束させる光導波装置に関する。[Detailed description of the invention] 3. Detailed description of the invention [Industrial application field] The present invention relates to an optical waveguide device that converges laser light.
［従来の技術］
従来、レーザ製版機やレーザプリンタ等の書き込み装置
においては、気体レーザからのレーザビームを光変調素
子（光スィッチ）を介してレンズで収束させスポット状
にして感光体上に照射し、書き込みを行っていた。この
ような従来の書き込み装置に用いられる光導波装置は気
体レーザとレンズとを組み合わせたもので、その製造方
法は、容器内にレーザとレンズとを順次組み込んで調整
するというものであった。[Prior Art] Conventionally, in writing devices such as laser engraving machines and laser printers, a laser beam from a gas laser is focused by a lens through an optical modulation element (optical switch) and irradiated onto a photoreceptor in the form of a spot. and was writing. The optical waveguide device used in such a conventional writing device is a combination of a gas laser and a lens, and the manufacturing method thereof is to sequentially incorporate the laser and lens into a container and adjust the device.
［発明の解決しようとする問題点］
従来の光導波装置を用いた書き込み装置は、光信号を１
本ずつ感光体上に書き込むため、書き込み速度が遅く、
また、レーザビームをレンズにより収束させるため、装
置が大型化し、コスト高になるという欠点を有していた
。更に、気体レーザとレンズの位置関係の調整が難しく
生産工程が複雑になるという欠点も有していた。[Problems to be solved by the invention] A writing device using a conventional optical waveguide device has a problem in that the optical signal is
Writing speed is slow because each book is written on the photoreceptor.
Furthermore, since the laser beam is converged by a lens, the apparatus has the disadvantage of being large and costly. Furthermore, it has the disadvantage that it is difficult to adjust the positional relationship between the gas laser and the lens, which complicates the production process.
本発明は、従来の光導波装置のこのような欠点を解消す
るためになされたものであり、書き込み動作を高速で行
うことができ、形状が小型で、かつ生産が容易で生産コ
ストが安く調整が不要な光導波装置を提供することを目
的とする。The present invention has been made to eliminate these drawbacks of conventional optical waveguide devices, and is capable of high-speed writing operations, has a small size, and is easy to produce and adjust at low production costs. The purpose of this invention is to provide an optical waveguide device that does not require
本発明になる光導波装置は、複数本の光ファイバを少な
くとも一平面内に配列し、各光ファイバの光入射端面に
対応する位置に半導体レーザを設けて成ることを特徴と
するものである。The optical waveguide device according to the present invention is characterized in that a plurality of optical fibers are arranged in at least one plane, and a semiconductor laser is provided at a position corresponding to the light incident end face of each optical fiber.
［作 用］
本発明の光導波装置においては、複数本の光ファイバを
一平面内に配列し、各光ファイバの光入射端面に対応す
る位置に半導体レーザを設けたので、複数の情報を同時
に書き込むことができ、高速書き込みが可能となる。[Function] In the optical waveguide device of the present invention, a plurality of optical fibers are arranged in one plane, and a semiconductor laser is provided at a position corresponding to the light incident end face of each optical fiber, so that a plurality of pieces of information can be transmitted simultaneously. It is possible to write data at high speed.
また、ビームを収束するのに、レンズの代わりに光導波
装置を用い、かつ気体レーザの代わりに半導体レーザを
用いるので、形状を小型化できる。Furthermore, since an optical waveguide device is used instead of a lens and a semiconductor laser is used instead of a gas laser to converge the beam, the size can be reduced.
更に光ファイバを一平面内に配列し、半導体レーザを固
定するようにしたので、生産が容易で生産コストが安く
、調整が不要となるのである。Furthermore, since the optical fibers are arranged in one plane and the semiconductor laser is fixed, production is easy, the production cost is low, and no adjustment is required.
［実施例］ 以下、図面を参照しながら本発明の詳細な説明する。[Example] Hereinafter, the present invention will be described in detail with reference to the drawings.
第１図は、本発明になる光導波装置の一実施例を示す一
部斜視図である。図において、ガラス製基板３の上には
、光入射端面に比べて光出射端面の面積が小さい光ファ
イバ２が複数本一平面内に配列されている。光ファイバ
２の上面にはもう一枚のガラス製基板３が載置され、前
述した下側のガラス基板３とともに、該光ファイバ２を
挟持している。光ファイバ２は、アクリル系又はエポキ
シ系等の有機樹脂を用いた接着剤や低融点ガラスフリッ
ト等を用いて束状に固定して、該束の両端を牽引して上
記形状に加工する。光ファイバ２は一列に配列しても良
いし、二列以上多層的に配列しても良い。FIG. 1 is a partial perspective view showing an embodiment of an optical waveguide device according to the present invention. In the figure, on a glass substrate 3, a plurality of optical fibers 2 whose light output end faces are smaller in area than their light input end faces are arranged in one plane. Another glass substrate 3 is placed on the upper surface of the optical fiber 2, and holds the optical fiber 2 together with the lower glass substrate 3 described above. The optical fibers 2 are fixed in a bundle using an adhesive using an organic resin such as acrylic or epoxy, or a low-melting glass frit, and are processed into the above shape by pulling both ends of the bundle. The optical fibers 2 may be arranged in one row, or may be arranged in two or more rows in multiple layers.
この様に配列された各光ファイバ２の光入射端面に対応
する位置には半導体レーザｌが設けられている。こうす
ることにより各半導体レーザ１により発光されたレーザ
光は光フアイバ２中を確実に伝搬しスポット状の光束と
なって感光体ドラム４上に出射されるとともに、上下の
基板３が放熱板の作用を果たし、半導体レーザ１の発熱
を効果的に放散させる。なお、図においては、半導体レ
ーザｌは２個しか記入していないが、実際には全ての光
ファイバ２の光入射端面に対応する位置に半導体レーザ
１が設けられている。基板３の寸法は１例えば１幅Ｌｌ
＝ｌｈｍ、長さＬ２−１３ｍｍ、高さＨ＝１ａ＋ｗとし
、半導体レーザ１のＩｌｌｇ（２＋はｌａｍ、光ファイ
バ２のピッチは１０μ履とする。なお、各半導体レーザ
１には、図示しない発光変調装置が接続されている。A semiconductor laser l is provided at a position corresponding to the light incident end face of each optical fiber 2 arranged in this manner. By doing this, the laser light emitted by each semiconductor laser 1 is reliably propagated through the optical fiber 2 and is emitted onto the photoreceptor drum 4 as a spot-shaped light beam. This function effectively dissipates the heat generated by the semiconductor laser 1. Although only two semiconductor lasers 1 are shown in the figure, in reality, the semiconductor lasers 1 are provided at positions corresponding to the light incident end faces of all the optical fibers 2. The dimensions of the board 3 are 1, for example, 1 width Ll.
=lhm, length L2-13mm, height H=1a+w, Illg (2+ is lam) of the semiconductor laser 1, and the pitch of the optical fiber 2 is 10μ. Note that each semiconductor laser 1 has a light emission modulation device (not shown). Device is connected.
本光導波装置において、半導体レーザ１で発光されたレ
ーザ光は上下基板３の間に形成された光ファイバ２に導
かれて光スポットを形成し、感光体ドラム４に書き込ま
れる。In this optical waveguide device, a laser beam emitted by a semiconductor laser 1 is guided to an optical fiber 2 formed between an upper and lower substrate 3 to form a light spot, and is written on a photoreceptor drum 4.
本発明の光導波装置は上述した実施例に限定されるもの
ではなく１例えば光ファイバ２の形状は入射端面側と出
射端面倒の径が同一であっても良いし、各光ファイバ２
に金等からなる金属被膜を形成した後に一平面に配列し
ても良い、この様に金属被膜を形成することにより光フ
ァイバ２相互間の光信号の漏れ込みを防止し得ると同時
に伝搬光の損失を少なくすることができる。 また、各
構成要素の大きさを示す数値も例示にすぎず、その数値
に限定されるものでないことは勿論である。The optical waveguide device of the present invention is not limited to the embodiments described above. For example, the shape of the optical fiber 2 may have the same diameter on the input end surface side and the diameter on the output end surface side, or each optical fiber 2
It is also possible to form a metal coating made of gold or the like on the optical fibers and then arrange them in one plane. By forming the metal coating in this way, it is possible to prevent optical signals from leaking between the optical fibers 2, and at the same time to reduce the amount of propagating light. Loss can be reduced. Further, the numerical values indicating the size of each component are merely examples, and it goes without saying that the present invention is not limited to these numerical values.
本発明の光導波装置は、複数の光ファイバを少なくとも
一平面内に配列し、各光ファイバに対応させて半導体レ
ーザを設けたので、書き込み装置中に用いた場合に高速
の書き込みが可能となり、形状も小型化できる。また、
生産が容易で生産コストを安く調整を不要とできる。The optical waveguide device of the present invention has a plurality of optical fibers arranged in at least one plane, and a semiconductor laser is provided corresponding to each optical fiber, so when used in a writing device, high-speed writing is possible. The shape can also be made smaller. Also,
It is easy to produce, reduces production costs, and eliminates the need for adjustments.
第１図は本発明の光導波装置の一実施例を示す一部斜視
図である。
１・・・・半導体レーザ、
２・・・・光ファイバ、 ３・・・・基板。
４・・・・感光体ドラム。FIG. 1 is a partial perspective view showing an embodiment of the optical waveguide device of the present invention. 1...Semiconductor laser, 2...Optical fiber, 3...Substrate. 4...Photosensitive drum.
Claims (5)
し、各光ファイバの光入射端面に対応する位置に半導体
レーザを設けて成ることを特徴とする光導波装置。(1) An optical waveguide device characterized in that a plurality of optical fibers are arranged in at least one plane and a semiconductor laser is provided at a position corresponding to the light incident end face of each optical fiber.
許請求の範囲第１項記載の光導波装 置。(2) The optical waveguide device according to claim 1, wherein a plurality of optical fibers are arranged on a substrate.
ている特許請求の範囲第１項記載の光導波装置。(3) The optical waveguide device according to claim 1, wherein a plurality of optical fibers are sandwiched between two substrates.
面の面積より広い形状である特許請求の範囲第１項記載
の光導波装置。(4) The optical waveguide device according to claim 1, wherein each optical fiber has a shape in which the area of the light input end face is larger than the area of the light output end face.
特許請求の範囲第１項ないし第４項のいずれか１項記載
の光導波装置。(5) The optical waveguide device according to any one of claims 1 to 4, wherein a metal coating is formed on the surface of each optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61127270A JPS62284326A (en) | 1986-06-03 | 1986-06-03 | Optical waveguide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61127270A JPS62284326A (en) | 1986-06-03 | 1986-06-03 | Optical waveguide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62284326A true JPS62284326A (en) | 1987-12-10 |
Family
ID=14955848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61127270A Pending JPS62284326A (en) | 1986-06-03 | 1986-06-03 | Optical waveguide device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62284326A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6822669B2 (en) | 2001-02-24 | 2004-11-23 | Heidelberger Druckmaschinen Ag | Method and multibeam scanning device for the ablation of flexo printing plates by laser engraving |
-
1986
- 1986-06-03 JP JP61127270A patent/JPS62284326A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6822669B2 (en) | 2001-02-24 | 2004-11-23 | Heidelberger Druckmaschinen Ag | Method and multibeam scanning device for the ablation of flexo printing plates by laser engraving |
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