Laser-diode-pumped solid-state laser using index-guided type multi- transverse mode broad area laser

摘要

A laser-diode-pumped solid-state laser in which a solid-state laser crystal is pumped by a laser beam emitted from a laser diode. An index- guided type multi-transverse mode broad area laser having a single optical waveguide is used as the laser diode. This leads to reduced output variations and noise of the laser. Preferably, the front reflectivity of the laser with respect to the oscillation wavelength of the laser should be more than 20%.