Patent ID: 6031854
Filing Date: 2000-02-29
Classification: H01S

Abstract:
A diode-pumped solid-state cascade laser for deep UV generation comprising:a diode pump source producing a pump laser beam of approximately 10 to 100 Watt near 800 nm;a first solid-state laser having a Nd-doped rod pumped by said diode pump source, whereby said first solid-state laser is Q-switched and frequency-doubled to produce laser pulses with a wavelength near 530 or 660 nm, pulse duration shorter than 50 ns, pulse energy about 2 to 10 mJ, and a pulse repetition rate about 0.5 to 5 kHz; anda second solid-state laser pumped by said first solid-state laser, whereby said second solid-state laser is gain-switched to produce near TEM00-mode laser pulses with a wavelength near 840 or 1060 nm, pulse duration about 1 ns, pulse energy about 1 mJ, a pulse repetition rate about 0.5 to 5 kHz, and a spectral bandwidth about 0.01 nm.