Title :
Optical damage and light-induced absorption in near-stoichiometric LiTaO/sub 3/ crystal
Author :
Kitamura, K. ; Furukawab, Y. ; Takekawa, Shunji ; Nakamura, M. ; Alexandrovski, A. ; Fejer, M.M.
Author_Institution :
Nat. Inst. for Res. in Inorg. Mater., Ibaraki, Japan
Abstract :
Summary form only given. We have investigated photorefractive damage, photoconductivities, and photogalvanic currents of stoichiometry controlled LiTaO/sub 3/ crystal. Near stoichiometric LiTaO/sub 3/ single crystals even without MgO doping exhibited no measurable photorefractive damage at 532 nm of 2 MW/cm/sup 2/ intensity. Green induced IR absorption (GRIIRA) in near stoichiometric LiTaO/sub 3/ was also strongly suppressed.
Keywords :
ferroelectric materials; ferroelectric switching; infrared spectra; laser beam effects; lithium compounds; photoconductivity; photorefractive materials; photovoltaic effects; stoichiometry; 532 nm; GRIIRA suppression; LiTaO/sub 3/; LiTaO/sub 3/:MgO; MgO doping; current-voltage characteristics; cw green light irradiation; ferroelectric domain switching; green induced IR absorption; light-induced absorption; near-stoichiometric LiTaO/sub 3/ crystals; optical damage; photoconductivity; photogalvanic currents; photorefractive damage; saturated space charge field; second-harmonic-generation laser irradiation; stoichiometry controlled LiTaO/sub 3/; Absorption; Chemical lasers; Crystallization; Crystals; Frequency conversion; Laser beams; Laser modes; Optical scattering; Optimized production technology; Pulse measurements;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO '01. Technical Digest. Summaries of papers presented at the Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-662-1
DOI :
10.1109/CLEO.2001.947773
