[IM/FM phase delay time measurement method of laser for TDLAS].
Guang Pu Xue Yu Guang Pu Fen Xi
; 34(11): 2908-11, 2014 Nov.
Article
em Zh
| MEDLINE
| ID: mdl-25752029
ABSTRACT
The present paper presents an method of using fiber Michelson interferometer to measure the Intensity-frequency (IM/FM) phase delay change of the laser, it could realize the phase delay time measurement, while modulating the laser. Experimental results show that the laser output signal intensity-frequency (IM/FM) phase delay of the laser has some differences from the theoretical value. The proposed method can be used to compensate for real-time signal strength-frequency (IM/FM) phase delay effect on the gas concentration measurement results.
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01-internacional
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MEDLINE
Idioma:
Zh
Ano de publicação:
2014
Tipo de documento:
Article