Scientific Results

Excited State Absorption and Gain Measurements in Tm3+ doped fluoride crystals

Year: 2005

Authors: Cornacchia F., Osiac E., Parisi D., Sani E., Toncelli A., Tonelli M.

Autors Affiliation: NEST, Dipartimento di Fisica, Universita\’ di Pisa, Largo B. Pontecorvo, 3, 1-56127 Pisa, Italy; Institute of Atomic Physics, Bucharest MG-6 R-76900, Romania

Abstract: Tm/sup 3+/ is a very interesting ion for both realization of infrared lasers. We have measured the excited state absorption and gain for Tm/sup 3+/:BaYF crystals with the concentration of 5, 8, 12 and 18%, Tm/sup 3+/:YLF with the concentration of 6% and Tm/sup 3+/:KYF with the concentration of 15%. The investigations are based on pump and probe measurements using the double modulation technique with two lock-in amplifiers.

Conference title:

KeyWords: Erbium; Q switching; Resonantly pumped

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