Transient grating spectroscopy

Optics: measuring and testing – By particle light scattering – With photocell detection

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356345, G01B 902

Patent

active

054792568

ABSTRACT:
To derive spectrum information on chemical intermediates in photochemical reactions during transitional periods, a transient grating spectroscopy uses white light as the probe light in the pico-second region and monochromatic light in the microsecond region. According to the procedure, it is possible to analyze the photochemical reaction of thin films and interface layers as a function of time at a high precision.

REFERENCES:
Fayer, Michael D., "Picosecond Holographic Grating Generation of Ultrasonic Waves", IEEE Journal of Quantum Mechanics, vol. QE-22, No. 8, Aug. 1986, pp. 1437-1451.

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