167836 ⎘
Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which incident light is modified in accordance with the properties of the material investigated; Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands; Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light for analysing gases, e.g. multi-gas analysis Correlation method, e.g. one beam alternating in correlator/sample field
FREE SPACE OPTICAL SPECTROMETER SYSTEMS AND METHODS FOR THEIR USE
#2GAS FLOW RATE ESTIMATION DEVICE, GAS FLOW RATE ESTIMATION METHOD, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING GAS FLOW RATE ESTIMATION PROGRAM, LEAKAGE GASDETECTION DEVICE, LEAKAGE GAS DETECTION METHOD, AND DETECTION DATA PROCESSING DEVICE
#3ELECTROMAGNETIC WAVE MEASURING APPARATUS, METHOD, AND RECORDING MEDIUM
#4GAS SENSOR
#5Use of gradient-index lenses for cavity enhanced absorption spectroscopy
#6Sensor characterization through forward voltage measurements
#7Method of infrared spectrometric measurement of tunnel gas
#8Analyzer, analysis method, and a program recording medium recorded with a program for analyzer
#9Background radiance estimation and gas concentration-length quantification method for optical gas imaging camera
#10Background radiance estimation and gas concentration-length quantification method for optical gas imaging camera
#11Substance detecting device, substance detecting system, and substance detecting method in which temperature control of light emission is performed
#12Methane number calculation method and methane number measurement device
#13Remote sensing of natural gas leaks
#14Sensor characterization through forward voltage measurements