Title:
SPECTROMETRY APPARATUS AND SPECTROMETRY METHOD USING TIME-RESOLVED CODING
Document Type and Number:
WIPO Patent Application WO/2021/085801
Kind Code:
A1
Abstract:
A spectrometry apparatus according to one embodiment of the present invention comprises: a laser emission device, which receives orthogonal codes including a series of bits respectively having a first value and a second value, generates a control signal having a pulse, of a width shorter than that of a bit section, in the bit section corresponding to the bit having the first value from among a series of bits, generates, through a trigger, a pulse laser beam, of a width shorter than that of the bit section, from the pulse included in the control signal, and emits, at a sample, an incident beam including the generated pulse laser beam; and a detector, which receives a detection signal and the orthogonal codes generated from the sample at which the incident beam is emitted, generates, on the basis of the orthogonal codes, an orthogonal code signal having a waveform that is the same as that of the incident beam, and demodulates a Raman signal on the basis of the correlation between the generated orthogonal code signal and the Raman signal included in the detection signal.
Inventors:
LEE WON KYOUNG (KR)
SEO HONG-SEOK (KR)
SEO HONG-SEOK (KR)
Application Number:
PCT/KR2020/009244
Publication Date:
May 06, 2021
Filing Date:
July 14, 2020
Export Citation:
Assignee:
ELECTRONICS & TELECOMMUNICATIONS RES INST (KR)
International Classes:
G01N21/65; G01N21/01; G01N33/48
Domestic Patent References:
| WO2011077203A2 | 2011-06-30 |
Foreign References:
| KR20180123867A | 2018-11-20 | |||
| US20150133787A1 | 2015-05-14 | |||
| US20090274470A1 | 2009-11-05 | |||
| US20120203114A1 | 2012-08-09 |
Attorney, Agent or Firm:
KORYO IP & LAW (KR)
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