Title:
OPTICAL ELEMENT AND IMAGING DEVICE
Document Type and Number:
Japanese Patent JP2017138563
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an optical element effective for sensing a human body.SOLUTION: There is provided an optical element 3 comprising: a lens 31 that includes an incident surface and an emission surface; and an antireflection film 32 that is provided on at least one of the incident surface and emission surface of the lens 31, where the transmittance of light transmitting through the lens 31 and antireflection film 32 has one peak within a wavelength range of 8 to 12 μm.SELECTED DRAWING: Figure 2
Inventors:
OKURA TAKAHIRO
Application Number:
JP2016057056A
Publication Date:
August 10, 2017
Filing Date:
March 22, 2016
Export Citation:
Assignee:
KYOCERA CORP
International Classes:
G02B1/113; G01J1/02; G01J1/04; G01J5/48; H01L27/14