Abstract
The single-longitudinal-mode (SLM) laser system has been demonstrated using reflective volume Bragg grating (RVBG) as output coupler based on short oscillator. The laser is laser diode (LD) side pumped and the oscillator is composed of one surface of Nd:YAG and RVBG. The RVBG has good angle and wavelength selectivity in SLM laser system. The maximum SLM output power is 622.15 mW. The average opticsoptics efficiency is 17.2% and slope efficiency is 25.6%. The M2 factor is smaller than 1.3.
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