Investigation of bulk laser damage threshold of lithium niobate single crystals byQ‐switched pulse laser

Autor:	Hideji Yoshida, Yasunori Furukawa, Fumio Nitanda, Atsushi Yokotani, Kunio Yoshida, Masayoshi Sato, Takatomo Sasaki
Rok vydání:	1991
Předmět:	Materials science business.industry Scattering Doping Lithium niobate General Physics and Astronomy Mineralogy chemistry.chemical_element Laser Q-switching Pulsed laser deposition law.invention Crystal chemistry.chemical_compound chemistry law Optoelectronics Lithium business
Zdroj:	Journal of Applied Physics. 69:3372-3374
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.348537
Popis:	Bulk laser damage threshold of 2‐in.‐diam. MgO‐doped LiNbO3 crystals grown using the Czochralski technique has been measured using a Q‐switched Nd3+:LiYF4 laser. The threshold showed dependence on the crystal quality. The highest bulk laser damage threshold (14 J/cm2 at 1.053 μm wavelength with 1‐ns pulse width) was obtained in the LiNbO3 crystal doped with 1 mol % of MgO. The lowering of bulk laser damage threshold was observed in the crystals doped with MgO at more than 3 mol %. These crystals contained the local aggregations of MgO which increased the scattering centers and decreased the transparency.
Databáze:	OpenAIRE
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