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17 June 1993 Cooperation effect of radiation in Nd:YAP
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Proceedings Volume 1864, Solid State Lasers IV; (1993)
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States
Behavior of radiation of Nd:YAP and Nd:YAG in a resonator with extremely low Q-value have been studied. The light pulses of the form discrete spikes around 1.08 micrometers have been observed using a relatively low pumping energies in Nd:YAP. The formation of these pulses has threshold character. Additional measurement such as second harmonic generation, far field distribution and spectral behavior have shown that emitted pulses have a typical laser character. Derived value of threshold gain parameter with material losses (g0 - (alpha) ) for threshold energy is 0.581 cm-1. No similar effect was observed for Nd:YAG, even for four timeshigher value of threshold energy than Nd:YAP. Obtained results demonstrate the cooperative effects of Nd3+ ions in Nd:YAP through a correlation between electromagnetic and crystal field.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michael P. Koselja, Jiri Kubelka, and Jiri Kvapil "Cooperation effect of radiation in Nd:YAP", Proc. SPIE 1864, Solid State Lasers IV, (17 June 1993);


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