A laser diode (LD) pumped Q switched high efficient intracavity frequency doubled Nd ∶YAG laser is reported here. The authors have designed an optical coupler and pointed out that the key to increasing harmonic conve...A laser diode (LD) pumped Q switched high efficient intracavity frequency doubled Nd ∶YAG laser is reported here. The authors have designed an optical coupler and pointed out that the key to increasing harmonic conversion efficiency is to decrease the loss of fundamental wave. In the experiments, a fundamental mode output laser was acquired. When the pumping power was 12 W, 2.6 W average output power at 1 064 nm with AO Q switch was obtained. 2.1 W average output power at 532 nm was obtained with intracavity frequency doubling, and the highest second harmonic conversion efficiency was 82 0 0.展开更多
A novel LD-pumped single-frequency micro-chip green laser is presented.By using the combination of short cavity and Loyt filter formed by Rochon prism and KTP crystal,a stable single frequency green laser is obtained ...A novel LD-pumped single-frequency micro-chip green laser is presented.By using the combination of short cavity and Loyt filter formed by Rochon prism and KTP crystal,a stable single frequency green laser is obtained with 60 mW output at 500 mW LD-pump.The optical-to-optical conversion efficiency is about 12%.The optical contact between components of the laser is adopted.This laser has the advantages of a compact structure and a low cost.展开更多
文摘A laser diode (LD) pumped Q switched high efficient intracavity frequency doubled Nd ∶YAG laser is reported here. The authors have designed an optical coupler and pointed out that the key to increasing harmonic conversion efficiency is to decrease the loss of fundamental wave. In the experiments, a fundamental mode output laser was acquired. When the pumping power was 12 W, 2.6 W average output power at 1 064 nm with AO Q switch was obtained. 2.1 W average output power at 532 nm was obtained with intracavity frequency doubling, and the highest second harmonic conversion efficiency was 82 0 0.
基金supported by the Science Technology Foundation of Xiamen City (No.3502Z20077010)
文摘A novel LD-pumped single-frequency micro-chip green laser is presented.By using the combination of short cavity and Loyt filter formed by Rochon prism and KTP crystal,a stable single frequency green laser is obtained with 60 mW output at 500 mW LD-pump.The optical-to-optical conversion efficiency is about 12%.The optical contact between components of the laser is adopted.This laser has the advantages of a compact structure and a low cost.
