Diode-pumped CW and passively Q-switched solid-state lasers with an ultra-thin Nd : YVO4 crystal as the gain medium

作者：Li C^*; Song J; Shen DY; Xu JQ; Ueda K

来源：Optics Communications, 2000, 186(4-6): 245-250.

DOI：10.1016/S0030-4018(00)01074-9

• diode-pumped
• Nd : YVO4 crystal
• Q-switched
• Cr4+
• YAG crystal
• solid-state lasers

We demonstrated diode-pumped CW and passively Q-switched Nd:YVO4 laser using an ultra-thin (100 mum) crystal as the gain medium. The experiments showed that the laser can keep operating in single transverse mode with a very narrow output spectrum even when the incident pump power increased to several ten times above the threshold. Using the same linear plano-concave cavity, we realized stable passively Q-switched Nd:YVO4 laser by inserting a Cr4+:YAG crystal into the cavity. Contrast to these, diode-pumped. normal Nd:YVO4 laser using thick (e.g. 1 mm) crystal as the gain medium often operates in multiple modes and is difficult to realize Cr4+:YAG passively Q-switched laser in such a cavity.

• 出版日期2000-12-15