Abstract

Simultaneous photostability and thermostability of a room-temperature LiF:F2+* tunable color-center laser, with an operating range over 830–1060 nm, pumped by second-harmonic radiation of a YAG:Nd3+ laser with a 532-nm wavelength has been achieved. The main lasing characteristics of the obtained LiF:F2+* laser have been measured. Twenty-five percent real efficiency in a nonselective resonator cavity and 15% real efficiency in a selective resonator cavity have been obtained. The stable LiF:F2+* laser operates at a 1–100-Hz pulse-repetition rate with a 15-ns pulse duration, a 1–1.5-cm−1 narrow-band oscillation bandwidth, and divergency of better than 6 × 10−4. Doubling the fundamental frequencies of F2+* oscillation made it possible to obtain stable blue-green tunable radiation over the 415–530-nm range.

© 1995 Optical Society of America

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