Title:
INTERFERENCE FILTER, OPTICAL DEVICE, OPTICAL MODULE, AND ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP2019095568
Kind Code:
A
Abstract:
To provide a compact interference filter compatible with a photoreceiver unit, and to provide an optical device, optical module, and electronic device.SOLUTION: An interference filter comprises a first mirror and a second mirror facing the first mirror. Defining a direction normal to the second mirror as a first direction, the second mirror has a shape having a longitudinal direction in a planar view from the first direction.SELECTED DRAWING: Figure 1
Inventors:
SANO AKIRA
Application Number:
JP2017224080A
Publication Date:
June 20, 2019
Filing Date:
November 21, 2017
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
G02B26/00; B81B3/00; G01J3/26; G02B5/28
Domestic Patent References:
| JP2015106107A | 2015-06-08 | |||
| JP2006184077A | 2006-07-13 | |||
| JP2017111059A | 2017-06-22 | |||
| JP2012220353A | 2012-11-12 | |||
| JP2011089961A | 2011-05-06 | |||
| JP2014163722A | 2014-09-08 |
Foreign References:
| US7573578B2 | 2009-08-11 | |||
| US7068372B1 | 2006-06-27 | |||
| CN101470075A | 2009-07-01 |
Attorney, Agent or Firm:
Intellectual Property Office