Transient processes in laser-solid interaction characterized by the induced thermoelectronic current variation

Florenta Costache; O. Toma; Horatiu Totia

doi:10.1117/12.432828

29 June 2001 Transient processes in laser-solid interaction characterized by the induced thermoelectronic current variation

Florenta Costache, O. Toma, Horatiu Totia

Author Affiliations +

Proceedings Volume 4430, ROMOPTO 2000: Sixth Conference on Optics; (2001) https://doi.org/10.1117/12.432828
Event: ROMOPTO 2000: Sixth Conference on Optics, 2000, Bucharest, Romania

Abstract

Based on the signals produced by the induced thermo- electronic current variation, a study regarding the transient processes in laser-solid interaction was developed. Experiments were performed with a Nd:YAG laser, 100 ns pulses duration, by laser beam focusing onto wolfram samples placed into a vacuum chamber. The amplitude and the temporal variation of resulted signals can conclude about the magnitude order of the temperature decay time due to laser-solid interaction. Therefore, the output signal profile analysis gives information about the time evolution of the transient thermal processes determined by the laser radiation absorption.

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Florenta Costache, O. Toma, and Horatiu Totia "Transient processes in laser-solid interaction characterized by the induced thermoelectronic current variation", Proc. SPIE 4430, ROMOPTO 2000: Sixth Conference on Optics, (29 June 2001); https://doi.org/10.1117/12.432828

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