Title:
CHALCOGENIDE GLASS LENS
Document Type and Number:
WIPO Patent Application WO/2020/105719
Kind Code:
A1
Abstract:
Provided is a chalcogenide glass lens which has litte chromatic aberration and is suitably used for an infrared sensor. This chalcogenide glass lens is characterized by containing 20-90 mol% of Te and having an Abbe number (ν10) of 100 or more at a wavelength of 10 μm.
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Inventors:
MATSUSHITA YOSHIMASA (JP)
SATO FUMIO (JP)
SATO FUMIO (JP)
Application Number:
PCT/JP2019/045688
Publication Date:
May 28, 2020
Filing Date:
November 21, 2019
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03C3/32; C03C4/10; C03C17/34; C03C17/42; G02B1/00
Domestic Patent References:
| WO2017110500A1 | 2017-06-29 | |||
| WO2018016149A1 | 2018-01-25 |
Foreign References:
| JP2017090904A | 2017-05-25 | |||
| JPH01230001A | 1989-09-13 | |||
| JP2018005139A | 2018-01-11 | |||
| JP2017196792A | 2017-11-02 | |||
| JPS62265105A | 1987-11-18 | |||
| JP2015521148A | 2015-07-27 | |||
| JPH03229201A | 1991-10-11 |
Other References:
SAVAGE, J. A.: "Optical properties of chalcogenide glasses", JOURNAL OF NON-CRYSTALLINE SOLIDS, vol. 47, no. 1, 1982, pages 101 - 115, XP025863143, DOI: 10.1016/0022-3093(82)90349-0
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