Pruneri, V., Webjörn, J., Russell, P.St.J., Barr, J.R.M. and Hanna, D.C.
Intracavity second harmonic generation of 0.532µm in bulk periodically poled lithium niobate
Optics Communications, 116, (1-3), . (doi:10.1016/0030-4018(95)00035-7).
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We report on CW quasi-phase-matched intracavity frequency doubling of a 1.064µm Nd:YAG laser. The 5 mm long and 0.2 mm thick crystal of periodically poled LiNbO3 was Brewster angle cut. When located intracavity, it presented an effective nonlinear coefficient d(33) of 4.5 pm/V and an estimated loss per pass less than 10%. The observed temperature bandwidth of approximately 5K compares favourably with the theoretical value.
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