JPS523443A - Optical interference filter - Google Patents

Optical interference filter

Info

Publication number
JPS523443A
JPS523443A JP7939975A JP7939975A JPS523443A JP S523443 A JPS523443 A JP S523443A JP 7939975 A JP7939975 A JP 7939975A JP 7939975 A JP7939975 A JP 7939975A JP S523443 A JPS523443 A JP S523443A
Authority
JP
Japan
Prior art keywords
interference filter
optical interference
layer
refractive index
low refractive
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
JP7939975A
Other languages
Japanese (ja)
Inventor
Taiji Shimomoto
Yoshiaki Mori
Takeo Nishimura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7939975A priority Critical patent/JPS523443A/en
Publication of JPS523443A publication Critical patent/JPS523443A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Filters (AREA)

Abstract

PURPOSE: By using optical glass for at least either layer of high or low refractive index layer, to get the interference filter having a small layer number and an excellent characteristic.
COPYRIGHT: (C)1977,JPO&Japio
JP7939975A 1975-06-27 1975-06-27 Optical interference filter Pending JPS523443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7939975A JPS523443A (en) 1975-06-27 1975-06-27 Optical interference filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7939975A JPS523443A (en) 1975-06-27 1975-06-27 Optical interference filter

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP8234785A Division JPS60258503A (en) 1985-04-19 1985-04-19 Production of optical interference filter

Publications (1)

Publication Number Publication Date
JPS523443A true JPS523443A (en) 1977-01-11

Family

ID=13688763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7939975A Pending JPS523443A (en) 1975-06-27 1975-06-27 Optical interference filter

Country Status (1)

Country Link
JP (1) JPS523443A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335935A (en) * 1979-04-27 1982-06-22 Jenoptik Jena Gmbh Arrangement for the induced absorption of electromagnetic radiation
JPS57201825A (en) * 1981-06-05 1982-12-10 Omron Tateisi Electronics Co Light-sensitive device
JPS59230123A (en) * 1983-06-10 1984-12-24 Agency Of Ind Science & Technol Optical sensor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335935A (en) * 1979-04-27 1982-06-22 Jenoptik Jena Gmbh Arrangement for the induced absorption of electromagnetic radiation
JPS57201825A (en) * 1981-06-05 1982-12-10 Omron Tateisi Electronics Co Light-sensitive device
JPS59230123A (en) * 1983-06-10 1984-12-24 Agency Of Ind Science & Technol Optical sensor

Similar Documents

Publication Publication Date Title
JPS5258547A (en) Light transmission fiber
JPS5289341A (en) Indication device
JPS5276944A (en) Optical filter
JPS523443A (en) Optical interference filter
JPS51133041A (en) Light transmission fiber
JPS53123152A (en) Optical transmission glass fiber and production therfor
JPS5390928A (en) Telephoto lens
JPS5374442A (en) Optical branching device
JPS5421751A (en) Refractive index distribution type lens
JPS51144229A (en) Bright wide-angle lens with many surrounding quantities of light
JPS51151557A (en) Light propagating mode filter
JPS5397444A (en) Self-repair type optical fiber
JPS5330297A (en) Display device
JPS5435756A (en) Photo switch
JPS5441149A (en) F.q lens
JPS51140746A (en) Optical element for surface destruction-proof
JPS51151148A (en) Optical interference filter and the manufacturing method
JPS5434249A (en) Photo writing method
JPS5369050A (en) Light attenuator
JPS51146248A (en) Glasses
JPS51143343A (en) Optical instrument
JPS51118450A (en) Optial filter
JPS51144242A (en) Photo-transmission path
JPS5236934A (en) Optical input device
JPS51129140A (en) Light pen