1 May 1996 Nonlinear optical effects in hydrogenated amorphous silicon
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Optical Engineering, 35(5), (1996). doi:10.1117/1.600678
Abstract
Results of the experimental investigation of the nonlinear absorption of microsecond and nanosecond laser pulses in the hydrogenated amorphous silicon (a-Si:H) are reported. Optical transmission due to photoinduced absorption was recorded. After the end of laser excitation, complete relaxation of the light induced darkening was observed. It is suggested that the interband nonlinear light absorption could be explained by taking into account the light interaction with nonequilibrium phonons.
Eugenia G. Carbunescu, "Nonlinear optical effects in hydrogenated amorphous silicon," Optical Engineering 35(5), (1 May 1996). http://dx.doi.org/10.1117/1.600678
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KEYWORDS
Absorption

Pulsed laser operation

Amorphous semiconductors

Phonons

Amorphous silicon

Transmittance

Helium neon lasers

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