JPS6437503A - Beam splitter for infrared ray - Google Patents
Beam splitter for infrared rayInfo
- Publication number
- JPS6437503A JPS6437503A JP19305587A JP19305587A JPS6437503A JP S6437503 A JPS6437503 A JP S6437503A JP 19305587 A JP19305587 A JP 19305587A JP 19305587 A JP19305587 A JP 19305587A JP S6437503 A JPS6437503 A JP S6437503A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- substrate
- beam splitter
- znse
- zns
- 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
Landscapes
- Optical Filters (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
PURPOSE:To provide a titled beam splitter which is provided with the interference efficiency approximate to an ideal value by forming a layer consisting of ZnS or ZnSe as the 1st layer counted from a substrate having good IR transmittability, layer consisting of Si as the 2nd layer and layer consisting of Ge as the 3rd layer, respectively by vacuum deposition on one surface of the above-mentioned substrate. CONSTITUTION:The layer 2 consisting of ZnS or ZnSe, the layer 3 consisting of Si and the layer 4 consisting of Ge are formed by vacuum deposition in this order on one surface of the substrate 1. The matching of the layer 2 which consists of ZnS or ZnSe and is the 1st layer counted from the substrate and the layer 4 which consists of Ge and is the 3rd layer is, therefore, improved by the layer 3 which consists of Si and is the 2nd layer formed between these two layers. The interference efficiency is thereby improved.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19305587A JPS6437503A (en) | 1987-08-01 | 1987-08-01 | Beam splitter for infrared ray |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19305587A JPS6437503A (en) | 1987-08-01 | 1987-08-01 | Beam splitter for infrared ray |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6437503A true JPS6437503A (en) | 1989-02-08 |
Family
ID=16301437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19305587A Pending JPS6437503A (en) | 1987-08-01 | 1987-08-01 | Beam splitter for infrared ray |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6437503A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0640851A1 (en) * | 1993-08-18 | 1995-03-01 | Amoco Corporation | Carbon fiber-reinforced composite heat reflectors |
US7651832B2 (en) * | 2004-03-18 | 2010-01-26 | Sharp Kabushiki Kaisha | Optical information recording medium, recording/reproducing method, and recording/reproducing device |
JP2010185916A (en) * | 2009-02-10 | 2010-08-26 | Nippon Electric Glass Co Ltd | Beam splitting film and beamsplitter using the same |
-
1987
- 1987-08-01 JP JP19305587A patent/JPS6437503A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0640851A1 (en) * | 1993-08-18 | 1995-03-01 | Amoco Corporation | Carbon fiber-reinforced composite heat reflectors |
US7651832B2 (en) * | 2004-03-18 | 2010-01-26 | Sharp Kabushiki Kaisha | Optical information recording medium, recording/reproducing method, and recording/reproducing device |
JP2010185916A (en) * | 2009-02-10 | 2010-08-26 | Nippon Electric Glass Co Ltd | Beam splitting film and beamsplitter using the same |
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