Z-scan measurements of the nonlinear refractive indices of novel Yb-doped laser crystal hosts期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Z-scan measurements of the nonlinear refractive indices of novel Yb-doped laser crystal hosts

Authors:	A. Major J.S. Aitchison P.W.E. Smith F. Druon P. Georges B. Viana G.P. Aka

Affiliation:	(1) Department of Electrical and Computer Engineering, University of Toronto, 10 Kings College Road, Toronto, M5S 3G4, Canada;(2) Laboratoire Charles Fabry de lInstitut dOptique, UMR 8501 du CNRS, Centre universitaire bât. 503, 91403 Orsay cedex, France;(3) LCAES-ENSCP, UMR 7574 du CNRS, 11 Rue P&M Curie, 75231 Paris cedex 05, France

Abstract:	We report on the z-scan characterization of the nonlinear refractive indices of three borate crystals (GdCOB, YCOB, and BOYS), which are new promising Yb-doped laser hosts. The results indicate the possibility of substantial Kerr-lensing and self-phase modulation effects in femtosecond oscillators and amplifiers. High values of the nonlinear refractive indices suggest possible KLM operation of such lasers. PACS 42.65.An; 42.65.Hw; 42.55.Rz; 42.65.Re

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