JPS6199829U - - Google Patents
Info
- Publication number
- JPS6199829U JPS6199829U JP18543484U JP18543484U JPS6199829U JP S6199829 U JPS6199829 U JP S6199829U JP 18543484 U JP18543484 U JP 18543484U JP 18543484 U JP18543484 U JP 18543484U JP S6199829 U JPS6199829 U JP S6199829U
- Authority
- JP
- Japan
- Prior art keywords
- prism
- optical isolator
- optical axis
- wavelength plate
- surface substantially
- 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 claims description 15
- 239000012790 adhesive layer Substances 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
Description
第１図は本考案の光アイソレータの模式的断面
図、第２図は従来の光アイソレータを含む光学系
の模式的断面図である。
１……光源、２……コリメータレンズ、３……
ビームスプリツタ、４，１３……波長板、５……
対物レンズ、６……反射体、７……凸レンズ、８
……受光素子、１１，１２……プリズム、１４…
…接着剤、１５……偏光多層膜、１６……反射防
止膜。
FIG. 1 is a schematic sectional view of an optical isolator of the present invention, and FIG. 2 is a schematic sectional view of an optical system including a conventional optical isolator. 1...Light source, 2...Collimator lens, 3...
Beam splitter, 4, 13... Wave plate, 5...
Objective lens, 6... Reflector, 7... Convex lens, 8
...Photodetector, 11, 12...Prism, 14...
...Adhesive, 15...Polarizing multilayer film, 16...Antireflection film.
Claims (1)
から、該反射体により反射された反射光を分離し
て、分離された該反射光を受光素子で受光する光
学系において、該入射光の光軸に対して略垂直な
第１の面と、該光軸に対して所定の角度に傾斜し
た第２の面とを有し、該第２の面に偏光多層膜が
形成されている第１のプリズムと、該反射体に向
かう該入射光の光軸に対して略垂直な第３の面と
、該受光素子に向かう該反射光の光軸に対して略
垂直な第４の面と、該第２の面と略平行な第５の
面を有する第２のプリズムと、該第１のプリズム
の該第２の面と該第２のプリズムの該第５の面に
対して略平行な面を有する波長板と、該波長板を
該第１のプリズムの該第２の面と該第２のプリズ
ムの該第５の面との間に接着する接着剤層とを備
えることを特徴とする光アイソレータ。 (2) 該第１及び第２のプリズム、該波長板並び
に該接着剤層のうち少なくとも２つの屈折率を相
互に異ならせることを特徴とする実用新案登録請
求の範囲第１項記載の光アイソレータ。 (3) 該第１及び第２のプリズムの屈折率は該波
長板の屈折率より大きいことを特徴とする実用新
案登録請求の範囲第２項記載の光アイソレータ。 (4) 該第１及び第２のプリズムの屈折率は該波
長板の屈折率より小さいことを特徴とする実用新
案登録請求の範囲第２項記載の光アイソレータ。 (5) 該波長板は合成樹脂よりなることを特徴と
する実用新案登録請求の範囲第１項乃至第４項の
いずれかに記載の光アイソレータ。 (6) 該波長板は該入射光及び該反射光の光軸に
対して略４５度傾斜していることを特徴とする実
用新案登録請求の範囲第１項乃至第５項のいずれ
かに記載の光アイソレータ。[Claims for Utility Model Registration] (1) The reflected light reflected by the reflector is separated from the incident light emitted from the light source toward the reflector, and the separated reflected light is received by a light receiving element. an optical system having a first surface substantially perpendicular to the optical axis of the incident light and a second surface inclined at a predetermined angle with respect to the optical axis; a first prism on which a polarizing multilayer film is formed; a third surface substantially perpendicular to the optical axis of the incident light toward the reflector; and a third surface substantially perpendicular to the optical axis of the reflected light toward the light receiving element. a second prism having a fourth surface substantially perpendicular to the first prism, a fifth surface substantially parallel to the second surface; the second surface of the first prism; a wavelength plate having a surface substantially parallel to the fifth surface, and the wavelength plate is adhered between the second surface of the first prism and the fifth surface of the second prism. An optical isolator comprising an adhesive layer. (2) The optical isolator according to claim 1, wherein at least two of the first and second prisms, the wavelength plate, and the adhesive layer have different refractive indices. . (3) The optical isolator according to claim 2, wherein the refractive index of the first and second prisms is larger than the refractive index of the wave plate. (4) The optical isolator according to claim 2, wherein the refractive index of the first and second prisms is smaller than the refractive index of the wave plate. (5) The optical isolator according to any one of claims 1 to 4, wherein the wavelength plate is made of synthetic resin. (6) The wavelength plate is inclined at approximately 45 degrees with respect to the optical axis of the incident light and the reflected light, as described in any one of claims 1 to 5 of the utility model registration claims. optical isolator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18543484U JPS6199829U (en) | 1984-12-06 | 1984-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18543484U JPS6199829U (en) | 1984-12-06 | 1984-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6199829U true JPS6199829U (en) | 1986-06-26 |
Family
ID=30742904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18543484U Pending JPS6199829U (en) | 1984-12-06 | 1984-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6199829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0643397A (en) * | 1992-04-07 | 1994-02-18 | Hughes Aircraft Co | Virtual image display with high-efficiency grid beam divider |
-
1984
- 1984-12-06 JP JP18543484U patent/JPS6199829U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0643397A (en) * | 1992-04-07 | 1994-02-18 | Hughes Aircraft Co | Virtual image display with high-efficiency grid beam divider |
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