JPS6437503A - Beam splitter for infrared ray - Google Patents

Beam splitter for infrared ray

Info

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
Application number
JP19305587A
Other languages
Japanese (ja)
Inventor
Masahiko Ishida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Horiba Ltd
Original Assignee
Horiba Ltd
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 by Horiba Ltd filed Critical Horiba Ltd
Priority to JP19305587A priority Critical patent/JPS6437503A/en
Publication of JPS6437503A publication Critical patent/JPS6437503A/en
Pending legal-status Critical Current

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.
JP19305587A 1987-08-01 1987-08-01 Beam splitter for infrared ray Pending JPS6437503A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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