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Conferences > UP > 1996 > TuE > TuE.12

Ultraviolet picosecond pulses from an all-solid-state Ce:fluoride master oscillator and power amplifier system

Nobuhiko Sarukura, Zhenlin Liu, Shinji Izumida, Yusaburo Segawa, Mark A. Dubinskii, Vadim V. Semashko, Alexander K. Naumov, Stella L. Korableva, and Ravil Yu. Abdulsabirov

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Abstract

Ultrashort-pulse generation and amplification in the ultraviolet (UV) region has been receiving a great deal of interest for applications. All known UV short-pulse master oscillator and power amplifier (MOPA) systems consist of mode-locked oscillator stages, and excimer power amplifier stages. 1 The above systems are complicated and bulky. However, solid-state tunable UV-laser materials such as Ce3+ ion activated LuLiF4 (LLF) 2 LiCaAlF6 (LiCAF), and LiSrAlF6 (LiSAF) 3,4 have recently been developed. With their broad gain-width, they are attractive for ultrashort pulse applications. To prove that, we have demonstrated UV picosecond-pulse amplification using Ce:LLF. 5 Furthermore, by employing a newly proposed self-injection-seeding scheme, we have directly generated UV picosecond pulse-trains from a Ce:LLF laser 6 and a Ce:LiCAF laser.7 This presentation reports UV picosecond pulse generation and amplification in a compact, all-solid-state MOPA system.

© 1996 Optical Society of America

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