Photoacoustic optical power meter using piezoelectric detection
S B Perelta; H H Al-Khafaji; A W Williams; S B Perelta; Dept. of Phys., Univ. Coll. of Swansea, UK; H H Al-Khafaji; Dept. of Phys., Univ. Coll. of Swansea, UK; A W Williams; Dept. of Phys., Univ. Coll. of Swansea, UK
Журнал:
Journal of Physics E: Scientific Instruments
Дата:
1988-02-01
Аннотация:
A method for monitoring laser beam powers is described, based on piezoelectric detection of the photoacoustic effect in an absorbing material. The response of the device is comparable with that of power meters based on gas-microphone detection of the photoacoustic effect.
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