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Patent Searching and Data


Title:
LIGHT DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/159533
Kind Code:
A1
Abstract:
This light detection device is provided with: a package which is provided with a window part; a Fabry-Perot interference filter which transmits the incident light entered from the window part within the package; and a light detector which detects the light transmitted through the Fabry-Perot interference filter within the package. The Fabry-Perot interference filter comprises: a substrate which has a first surface on the window part side and a second surface on the light detector side; a first layer structure which is arranged on the first surface and is provided with a first mirror part and a second mirror part; and a lens part which is integrally provided on the second surface side and collects the light transmitted through the first mirror part and the second mirror part on the light detector.

Inventors:
KASAHARA TAKASHI (JP)
SHIBAYAMA KATSUMI (JP)
HIROSE MASAKI (JP)
KAWAI TOSHIMITSU (JP)
OYAMA HIROKI (JP)
KURAMOTO YUMI (JP)
Application Number:
PCT/JP2018/006969
Publication Date:
September 07, 2018
Filing Date:
February 26, 2018
Export Citation:
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Assignee:
HAMAMATSU PHOTONICS KK (JP)
International Classes:
G01J3/26; G01J1/04
Domestic Patent References:
WO1993009422A11993-05-13
Foreign References:
JP2016211860A2016-12-15
JP2016031295A2016-03-07
JP2011205088A2011-10-13
JP2013024745A2013-02-04
JP2016211860A2016-12-15
Other References:
See also references of EP 3591358A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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