Pit formation in GaAs surface induced by picosecond and femtosecond laser pulses

Amit Pratap Singh; Avinashi Kapoor; K. N. Tripathi; G. Ravindra Kumar

doi:10.1117/12.461702

9 April 2002 Pit formation in GaAs surface induced by picosecond and femtosecond laser pulses

Amit Pratap Singh, Avinashi Kapoor, K. N. Tripathi, G. Ravindra Kumar

Proceedings Volume 4679, Laser-Induced Damage in Optical Materials: 2001; (2002) https://doi.org/10.1117/12.461702
Event: Boulder Damage, 2001, Boulder, CO, United States

Abstract

Pits formation during the laser induced damage with GaAs surface either for picosecond or for femtosecond laser pulses, shows that defects always play an important role in damage morphology of GaAs surface, as previously these pits formation have also been seen for micro and nanosecond laser pulses. The nature of these pits gives an important information about the morphological features of damaged GaAs surface in picosecond and femtosecond regime. In this paper we report a comparative study of laser induced damage morphology of GaAs surface based on the nature of these pits formation.

Citation Download Citation

Amit Pratap Singh, Avinashi Kapoor, K. N. Tripathi, and G. Ravindra Kumar "Pit formation in GaAs surface induced by picosecond and femtosecond laser pulses", Proc. SPIE 4679, Laser-Induced Damage in Optical Materials: 2001, (9 April 2002); https://doi.org/10.1117/12.461702

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