LIGHT DETECTION DEVICE AND LIGHT SOURCE DEVICE

Title:

LIGHT DETECTION DEVICE AND LIGHT SOURCE DEVICE

Document Type and Number:

Japanese Patent JP2016070794

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a light detection device and a light source device that can stably measure an amount of light of the light regardless of a polarization state of the light to be measured.SOLUTION: A light source device 2 comprises a light source part 3 for emitting light and a light detection device 5. The light detection device 5 comprises an optical element 7 that is reflective or transmissive to detect part of incident light L1 as detection light L2 and a light detection part 8 for detecting at least part of the detection light L2 at each polarization component. The light transmitted or reflected through/from the optical element 7 is emitted outside as emission light L3.SELECTED DRAWING: Figure 3

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Inventors:

YAMADA HIROTAKA
SHIMIZU MIKIO

Application Number:

JP2014200606A

Publication Date:

May 09, 2016

Filing Date:

September 30, 2014

Export Citation:

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Assignee:

USHIO ELECTRIC INC

International Classes:

G01N21/01

Attorney, Agent or Firm:

Patent Business Corporation Unias International Patent Office

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