Abstract
A high power dual-wavelength Ti:sapphire laser system with wide turningrange and high efficiency is described, which consists of twoprism-dispersed resonators pumped by an all-solid-statefrequency-doubled Nd:YAG laser. Tunable dual-wavelength outputs, withone wavelength range from 750 nm to 795 nm and the other from 800 nm to850 nm, have been demonstrated. With a pump power of 23 W at 532 nm, arepetition rate of 6.5 kHz and a pulse width of 67.6 ns, the maximumdual-wavelength output power of 5.6 W at 785.3 nm and 812.1 nm, with apulse width of 17.2 ns and a line width of 2 nm, has been achieved,leading to an optical-to-optical conversion efficiency of 24.4%.
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