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Characterization of the nonlinear refractive index of the laser crystal Yb:KGd(WO 4) 2

Major, A. and Nikolakakos, I. and Aitchison, J.S. and Ferguson, A.I. and Langford, N. and Smith, P.W.E. (2003) Characterization of the nonlinear refractive index of the laser crystal Yb:KGd(WO 4) 2. Applied Physics B: Lasers and Optics, 77 (4). pp. 433-436. ISSN 0946-2171

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Abstract

We present results of the characterization of the nonlinear refractive index of the laser crystal Yb:KGd(WO4)2 using a z-scan technique over the 800-1600 nm wavelength range. Based on our experimental and theoretical results we conclude that Yb:KGW crystal is a good candidate for efficient Kerr-lens mode locking.