Injection seeding of high-energy photolytically pumped I* laser

Andrew J.W. Brown; Marc Norsen; Charles H. Fisher; Matthias P. Leuchs; Ralph F. Tate; Melvin Harris; Gordon D. Hager

doi:10.1117/12.407387

16 August 2000 Injection seeding of high-energy photolytically pumped I* laser

Andrew J.W. Brown, Marc Norsen, Charles H. Fisher, Matthias P. Leuchs, Ralph F. Tate, Melvin Harris, Gordon D. Hager

Proceedings Volume 4065, High-Power Laser Ablation III; (2000) https://doi.org/10.1117/12.407387
Event: High-Power Laser Ablation, 2000, Santa Fe, NM, United States

Abstract

We report the operation of a short pulse photolytic iodine laser (PIL) using an unstable resonator under long-pulse and injection seeded operation. The laser is designed as a surrogate source to replicate the output from a q-switched chemical oxygen iodine laser (COIL). Under long pulse conditions the single shot laser produces up to 10 Joules in a 3 microsecond(s) pulse. When seeded with the output from a narrow pulse (10 ns) broadband KTP Optical Parametric Oscillator (OPO), the temporal output is composed of a train of 10 ns pulses separated by the round trip time of the cavity. The enhanced peak power in the individual pulses is more attractive for subsequent efficient Raman conversion. A description of the laser performance with the unstable resonator and with seeding is presented.

Citation Download Citation

Andrew J.W. Brown, Marc Norsen, Charles H. Fisher, Matthias P. Leuchs, Ralph F. Tate, Melvin Harris, and Gordon D. Hager "Injection seeding of high-energy photolytically pumped I* laser", Proc. SPIE 4065, High-Power Laser Ablation III, (16 August 2000); https://doi.org/10.1117/12.407387

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