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Patent Searching and Data


Title:
SUBSTANCE FINGERPRINT SPECTRUM SENSING DEVICE AND MEASURING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/134750
Kind Code:
A1
Abstract:
A substance fingerprint spectrum sensing device and measuring method. The sensing device comprises: a supporting frame (10) provided horizontally; a moving unit (20), comprising a translation stage moving member (21) provided on the supporting frame (10) and an acrylic translation stage (22) connected on the translation stage moving member (21) and used for moving in a vertical direction under the driving of the translation stage moving member (21), the acrylic translation stage (22) being provided horizontally; a grating unit (30), placed on the acrylic translation stage (22) and used for carrying a substance; and a prism (40), provided on the supporting frame (10) and directly above the grating unit (30), the grating unit (30) comprising a grating (31) provided with periodic grooves (311) on the surface and a polyethylene filler (32) filling the grooves (311), and the grooves (311) being filled with the polyethylene filler (32) so that the grating unit (30) has a flat surface for carrying the substance. According to the measuring method, the fingerprint spectrum of a substance is measured by a terahertz wave of a terahertz spectroscopy system and the substance fingerprint spectrum sensing device.

Inventors:
CHEN LIN (CN)
ZHU YIMING (CN)
WANG LIXIA (CN)
ZHUANG SONGLIN (CN)
Application Number:
PCT/CN2020/070092
Publication Date:
July 08, 2021
Filing Date:
January 02, 2020
Export Citation:
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Assignee:
UNIV OF SHANGHAI FOR SCIENCE AND TECHNOLOGY (CN)
International Classes:
G01N21/35
Foreign References:
CN108088810A2018-05-29
CN104865695A2015-08-26
CN104865221A2015-08-26
CN103217739A2013-07-24
US20110085170A12011-04-14
US20160069673A12016-03-10
Attorney, Agent or Firm:
SHANGHAI DANRONG & ZONGDE INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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