ClassID:

166071

G01J2003/4332 - CPC Classification

Classification description:

Spectrometry; Spectrophotometry; Monochromators; Measuring colours; Investigating the spectrum; Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry; Modulation spectrometry; Derivative spectrometry frequency-modulated

Recent Application in this class:
#1
20260098759
2026-04-09

GAS ABSORPTION SPECTROSCOPY APPARATUS

#2
20250244174
2025-07-31

RAMAN SPECTROSCOPY METHOD WITH SINGLE-CHANNEL DETECTION WITHOUT A DISPERSION ELEMENT, AND DEVICE FOR IMPLEMENTING THE METHOD

#3
20250130106
2025-04-24

COMPACT SPECTROMETER

#4
20230349761
2023-11-02

Apparatus and method for dual comb spectroscopy

#5
20230109447
2023-04-06

Dual-comb spectroscopy

#6
20230107251
2023-04-06

Dual-comb spectroscopy

#7
20220316855
2022-10-06

Dual-comb ranging with long ambiguity-free range

#8
20220163389
2022-05-26

Cross-comb spectroscopy

#9
20220146312
2022-05-12

Dual-comb spectroscopy

#10
20220042849
2022-02-10

High sensitivity frequency-domain spectroscopy system

#11
20210364353
2021-11-25

TERAHERTZ SPECTROSCOPY SYSTEM AND METHOD

#12
20210305991
2021-09-30

Amplifier amplitude digital control for a mass spectrometer

#13
20200400496
2020-12-24

Terahertz spectroscopy system and method

#14
20200271515
2020-08-27

Terahertz spectroscopy system and method

#15
20200049556
2020-02-13

Cavity ring-down spectroscopy having interleaved data acquisition for interference mitigation

#16
20190271595
2019-09-05

Vibrational sum frequency generation using shaped near infrared light

#17
20190101491
2019-04-04

Analysis apparatus and analysis method

#18
20180252581
2018-09-06

Terahertz spectroscopy system and method

#19
20180233877
2018-08-16

Generating laser pulses and spectroscopy using the temporal talbot effect

#20
20180156726
2018-06-07

Optical absorbance measurements with self-calibration and extended dynamic range

#21
20180100999
2018-04-12

Modulating spectroscopic imaging system using substantially coherent illumination

#22
20170067822
2017-03-09

Cavity enhanced spectroscopy using off-axis paths

#23
20170045446
2017-02-16

Method of determining the concentration of a gas component and spectrometer therefor

#24
20160377536
2016-12-29

Method of determining the concentration of a gas component and a spectrometer for this purpose

#25
20160252393
2016-09-01

Terahertz spectroscopy system and method

#26
20150355086
2015-12-10

Frequency comb spectroscopy apparatus and method of frequency comb spectroscopy

#27
20150323384
2015-11-12

Spectral imaging of a sample using a plurality of discrete mid-infrared wavelengths

#28
20130321815
2013-12-05

Gas analysis device

#29
20120044479
2012-02-23

Terahertz spectroscopy system and method

#30
20110032516
2011-02-10

Optical absorbance measurements with self-calibration and extended dynamic range

#31
18353175
2024-02-27

Vector noise subtraction in vapor cell spectroscopy