Random lasing in Nd:YAG nano-crystalline-powder pumped by laser diode

Yan Feng; Jianren Lu; Shenghong Wang; Ken-ichi Ueda

doi:10.1117/12.544940

15 September 2004 Random lasing in Nd:YAG nano-crystalline-powder pumped by laser diode

Yan Feng, Jianren Lu, Shenghong Wang, Ken-ichi Ueda

Proceedings Volume 5450, Photonic Crystal Materials and Nanostructures; (2004) https://doi.org/10.1117/12.544940
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

We demonstrated laser diode pumped quasi-continuous-wave random laser in Nd³⁺ doped YAG nanopower with a one-mirror structure. Beside usual phenomena associated with laser, like threshold behavior and substantially narrowing of emission spectra, chaotic pulsing behavior was observed above a certain pumping level, which is explained as disturbed relaxation oscillation in random cavities. Possible relation between random lasing in such one-mirror structure and coherent backscattering effect, which is also referred as weak localization, is discussed with much interest.

Citation Download Citation

Yan Feng, Jianren Lu, Shenghong Wang, and Ken-ichi Ueda "Random lasing in Nd:YAG nano-crystalline-powder pumped by laser diode", Proc. SPIE 5450, Photonic Crystal Materials and Nanostructures, (15 September 2004); https://doi.org/10.1117/12.544940

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