Title:
光学フィルタ
Document Type and Number:
Japanese Patent JP7315635
Kind Code:
B2
Abstract:
A bandpass filter may include a set of layers. The set of layers may include a first subset of layers. The first subset of layers may include hydrogenated germanium (Ge:H) with a first refractive index. The set of layers may include a second subset of layers. The second subset of layers may include a material with a second refractive index. The second refractive index may be less than the first refractive index.
Inventors:
James Switzer The Third
Georg Jay Okenfuss
Georg Jay Okenfuss
Application Number:
JP2021168899A
Publication Date:
July 26, 2023
Filing Date:
October 14, 2021
Export Citation:
Assignee:
Viavi Solutions Inc.
International Classes:
G02B5/28; H01L27/144; H01L27/146
Domestic Patent References:
| JP2017126742A | ||||
| JP2009503614A | ||||
| JP1246362A | ||||
| JP7120779A |
Foreign References:
| US4740442 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Toshio Fukui
Mitsutsugu Sugimura
Toshio Fukui