Title:
光学装置、及び電子機器
Document Type and Number:
Japanese Patent JP7200658
Kind Code:
B2
Abstract:
To solve the problem in which: in transmitting light at a target wavelength from an optical device, the transmittance is reduced, and the quantity of transmitted light is reduced.SOLUTION: An optical device comprises: a first wavelength variable interference filter in which a first reflection coating and a second reflection coating are opposite to each other with a first gap therebetween; a second wavelength variable interference filter in which a third reflection coating and a fourth reflection coating are opposite to each other with a second gap therebetween; and a light-transmissive first substrate that has a first surface and a second surface on the opposite side of the first surface. The second reflection coating is provided on the first surface of the first substrate, and the third reflection coating is provided on the second surface of the first substrate.SELECTED DRAWING: Figure 1
Inventors:
Matsuno Yasushi
Akiyuki Nishimura
Akiyuki Nishimura
Application Number:
JP2018238108A
Publication Date:
January 10, 2023
Filing Date:
December 20, 2018
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G02B26/00; G01J3/26; G02B5/28
Domestic Patent References:
| JP2013178392A | ||||
| JP2012108370A | ||||
| JP2005070259A | ||||
| JP2001525075A | ||||
| JP2004012642A | ||||
| JP2013083685A | ||||
| JP2003185941A |
Foreign References:
| US6043492 |
Attorney, Agent or Firm:
Satoshi Nakai
Hiroki Matsuoka
Masayuki Imamura
Hiroki Matsuoka
Masayuki Imamura
Previous Patent: Methacrylate monomers, polymers, resin compositions, laminates and moldings
Next Patent: ARRANGEMENT DESIGNING SUPPORT DEVICE
Next Patent: ARRANGEMENT DESIGNING SUPPORT DEVICE