JPS63124212U - - Google Patents
Info
- Publication number
- JPS63124212U JPS63124212U JP1672787U JP1672787U JPS63124212U JP S63124212 U JPS63124212 U JP S63124212U JP 1672787 U JP1672787 U JP 1672787U JP 1672787 U JP1672787 U JP 1672787U JP S63124212 U JPS63124212 U JP S63124212U
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- section
- matrix
- cross
- intensity distribution
- 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
- 239000013307 optical fiber Substances 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims 6
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図ａは本考案の一実施例の光ホモジナイザ
ーの構成図、第１図ｂは均一ビームの横断面内の
光強度分布、第２図ａは従来の光ホモジナイザー
の構成図、第２図ｂ，ｃ，ｄは従来の光ホモジナ
イザーにおけるプリズムからの距離が異なる均一
ビームの横断面内の強度分布を示す。
１……光フアイバ群、２……光フアイバ、３，
８……強度分布ビーム、４，９……均一ビーム、
５……光ビーム入射部、６……光ビーム出射部、
７……プリズム。
Fig. 1a is a block diagram of an optical homogenizer according to an embodiment of the present invention, Fig. 1b is a light intensity distribution in a cross section of a uniform beam, Fig. 2a is a block diagram of a conventional optical homogenizer, and Fig. 2 b, c, and d show the intensity distribution in the cross section of a uniform beam at different distances from the prism in a conventional optical homogenizer. 1... Optical fiber group, 2... Optical fiber, 3,
8...Intensity distribution beam, 4,9...Uniform beam,
5...Light beam entrance part, 6...Light beam output part,
7...Prism.
Claims (1)
布を持つ光ビーム（以下、強度分布ビーム）を横
断面内強度分布が均一で、かつ横断面内の形状が
矩形である光ビーム（以下、均一ビーム）に変換
する光ビームホモジナイザーであつて、多数本の
光フアイバがＭ×Ｎのマトリツクス状に束ねられ
た光フアイバ群から成り、かつ前記光フアイバ群
の光ビーム入射部の寸法を前記強度分布ビームの
横断面の寸法と同一にし、前記光ビーム入射部の
行列（ａ＋２×ｍ、ｂ＋２×ｎ）に位置する前記
光フアイバを前記光フアイバ群の光ビーム出射部
の行列（Ｍ−２×ｍ，Ｎ−２×ｎ）に位置するよ
うにし、また前記光ビーム入射部の行列（ａ−２
×ｍ，ｂ−２×ｎ）に位置する前記光フアイバを
前記光ビーム出射部の行列（２×ｍ，２×ｎ）に
位置するようにしたことを特徴とする光ビームホ
モジナイザー。 なお、ここでａ＝Ｍ／２＋０．５×Ｉ，ｂ＝Ｎ
／２＋０．５×ＩでＭ，Ｎが奇数の時、Ｉ＝１，
Ｍ，Ｎが偶数の時、Ｉ＝０、またＭ≧２×ｍ，Ｎ
≧２×ｎである。[Scope of Claim for Utility Model Registration] A light beam whose cross section is rectangular and has an intensity distribution within the cross section (hereinafter referred to as an intensity distribution beam) is defined as a light beam whose cross section has a uniform intensity distribution and whose shape within the cross section is uniform. A light beam homogenizer that converts a light beam into a rectangular light beam (hereinafter referred to as a uniform beam), the light beam homogenizer is composed of an optical fiber group in which a large number of optical fibers are bundled in an M×N matrix, and the optical fiber group is The dimensions of the light beam entrance section are made the same as the dimensions of the cross section of the intensity distribution beam, and the optical fibers located in the matrix (a+2×m, b+2×n) of the light beam entrance section are connected to the light beam of the optical fiber group. The light beam is located in the matrix (M-2×m, N-2×n) of the light beam incident portion, and the matrix (a-2×n) of the light beam incident portion is
A light beam homogenizer, characterized in that the optical fibers located in the matrix (2xm, 2xn) of the light beam emitting section are located in the matrix (2xm, 2xn). In addition, here a=M/2+0.5×I, b=N
/2+0.5×I and when M and N are odd numbers, I=1,
When M and N are even numbers, I=0, and M≧2×m,N
≧2×n.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1672787U JPS63124212U (en) | 1987-02-06 | 1987-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1672787U JPS63124212U (en) | 1987-02-06 | 1987-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63124212U true JPS63124212U (en) | 1988-08-12 |
Family
ID=30808847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1672787U Pending JPS63124212U (en) | 1987-02-06 | 1987-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63124212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06110010A (en) * | 1992-09-29 | 1994-04-22 | Toshiba Corp | Optical device |
| JP2009294247A (en) * | 2008-06-02 | 2009-12-17 | Sumitomo Electric Ind Ltd | Beam transformer |
-
1987
- 1987-02-06 JP JP1672787U patent/JPS63124212U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06110010A (en) * | 1992-09-29 | 1994-04-22 | Toshiba Corp | Optical device |
| JP2009294247A (en) * | 2008-06-02 | 2009-12-17 | Sumitomo Electric Ind Ltd | Beam transformer |
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