JPS6168203U - - Google Patents

Info

Publication number
JPS6168203U
JPS6168203U JP15279684U JP15279684U JPS6168203U JP S6168203 U JPS6168203 U JP S6168203U JP 15279684 U JP15279684 U JP 15279684U JP 15279684 U JP15279684 U JP 15279684U JP S6168203 U JPS6168203 U JP S6168203U
Authority
JP
Japan
Prior art keywords
predetermined
refractive index
smooth surface
synthetic resin
microscopic
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
Application number
JP15279684U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP15279684U priority Critical patent/JPS6168203U/ja
Publication of JPS6168203U publication Critical patent/JPS6168203U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の原理を説明する説明図、第２
図は本考案の第１の実施例を示す一部断面図、第
３図は本考案の第２の実施例を示す一部断面図で
ある。 １……透明樹脂板、１Ａ……平滑表面、１Ｂ…
…突条、１Ｃ……平行溝、２……透明樹脂層、３
……透明平板。

Claims (1)

    【実用新案登録請求の範囲】
  1. 平滑な表面に一定の微小深さおよび一定の微小
    幅を有する平行溝を一定の微小間隔で多数形成し
    て成る所定の屈折率を有する透明な合成樹脂板と
    、少なくとも前記平行溝に充填されるように前記
    合成樹脂板上に密着して施され、表面を平滑に成
    された前記屈折率と異なる屈折率を有する透明材
    料層とから成る回折格子。
JP15279684U 1984-10-09 1984-10-09 Pending JPS6168203U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15279684U JPS6168203U (ja) 1984-10-09 1984-10-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15279684U JPS6168203U (ja) 1984-10-09 1984-10-09

Publications (1)

Publication Number Publication Date
JPS6168203U true JPS6168203U (ja) 1986-05-10

Family

ID=30710845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15279684U Pending JPS6168203U (ja) 1984-10-09 1984-10-09

Country Status (1)

Country Link
JP (1) JPS6168203U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01177702U (ja) * 1988-06-03 1989-12-19
JP2002350625A (ja) * 2001-05-30 2002-12-04 Asahi Glass Co Ltd 波長選択性回折素子および光ヘッド装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5288042A (en) * 1976-01-19 1977-07-22 Toshiba Corp Production of optical waveguides having more than two kinds of diffrac tion gratings
JPS55143509A (en) * 1979-04-25 1980-11-08 Nec Corp Production of miniature diffraction grating
JPS58198006A (ja) * 1982-05-14 1983-11-17 Ricoh Co Ltd 透過型表面レリ−フ回折格子

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5288042A (en) * 1976-01-19 1977-07-22 Toshiba Corp Production of optical waveguides having more than two kinds of diffrac tion gratings
JPS55143509A (en) * 1979-04-25 1980-11-08 Nec Corp Production of miniature diffraction grating
JPS58198006A (ja) * 1982-05-14 1983-11-17 Ricoh Co Ltd 透過型表面レリ−フ回折格子

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01177702U (ja) * 1988-06-03 1989-12-19
JP2002350625A (ja) * 2001-05-30 2002-12-04 Asahi Glass Co Ltd 波長選択性回折素子および光ヘッド装置
JP4691830B2 (ja) * 2001-05-30 2011-06-01 旭硝子株式会社 波長選択性回折素子および光ヘッド装置

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