This article is cited in 14 papers

Femtosecond technology

Formation of microstructures in As₂S₃ by a femtosecond laser pulse train

A. P. Aleksandrov, A. A. Babin, A. M. Kiselev, D. I. Kulagin, V. V. Lozhkarev, A. N. Stepanov

Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod

Abstract: Irradiation of the As₂S₃ chalcogenide glass by a train of focused femtosecond laser pulses from a master oscillator based on a Ti:sapphire crystal results in the formation of submicron structures in the bulk of the sample with modified optical properties. The minimum exposure time for producing such microstructures does not exceed 1 μs. A model based on two-photon absorption of laser radiation and local heating of the sample material is proposed for this phenomenon.

PACS: 42.70.Nq, 42.65.Re

Received: 21.03.2001

 English version: Quantum Electronics, 2001, 31:5, 398–400

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