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Nd:YAG laser; diode-side-pumped; thermal lens Q-switched; linear cavity; intracavity second harmonic generation.

In a thermally birefringence-compensated linear cavity configuration, ∼160 W of average green power by intracavity frequency doubling of AO Q-switched Nd:YAG/LBO-based laser is demonstrated. The corresponding optical to optical conversion efficiency is estimated to be ∼12.7%. The pulse repetition rate is 20 kHz with the individual pulse duration of 73 ns. The beam quality parameter is measured to be 18.

S K Sharma¹ A J Singh¹ P K Gupta¹ P Hedaoo¹ P K Mukhopadhyay¹ K Ranganathan¹ K S Bindra¹ S M Oak¹

1. Solid State Laser Division, Raja Ramanna Centre for Advanced Technology, Indore 452 013, India

Published

February 2014

Early published

9 February 2014