Invention Grant
- Patent Title: Optical element and photodetector
- Patent Title (中): 光学元件和光电检测器
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Application No.: US13888656Application Date: 2013-05-07
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Publication No.: US08853809B2Publication Date: 2014-10-07
- Inventor: Kazutoshi Nakajima , Toru Hirohata , Wataru Aka-Hori , Kazunori Tanaka , Kazuue Fujita
- Applicant: Hamamatsu Photonics K.K.
- Applicant Address: JP Hamamatsu-shi, Shizuoka
- Assignee: Hamamatsu Photonics K.K.
- Current Assignee: Hamamatsu Photonics K.K.
- Current Assignee Address: JP Hamamatsu-shi, Shizuoka
- Agency: Drinker Biddle & Reath LLP
- Priority: JP2012-112348 20120516
- Main IPC: H01L31/0232
- IPC: H01L31/0232 ; G02B1/00
Abstract:
An optical element 10 for transmitting light therethrough along a predetermined direction and modulating the light comprises a structure 11 having a first region R1 and a second region R2 periodically arranged with respect to the first region R1 along a plane perpendicular to the predetermined direction, the first and second regions R1, R2 having respective refractive indexes different from each other, and properties of transmitting the light therethrough.
Public/Granted literature
- US20130307108A1 OPTICAL ELEMENT AND PHOTODETECTOR Public/Granted day:2013-11-21
Information query
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