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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper CFC7

Stable, 3-W, cw-diode-pumped laser at 0.532 μm

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Abstract

The so called "green problem"1 has long plagued the stability of cw intracavity doubled lasers. As a result, Ar-ion and Cu-vapor lasers have dominated solid-state lasers in applications such as medicine, active imaging, and holography. While diode-pumped solid-state lasers have provided sources of high peak power, which allows efficient frequency doubling, their repetition rates have been generally restricted to the 100 Hz regime. We reported a stable 3 W source of near- cw 532 nm radiation which used intracavity doubling of a mode-locked, cw-diode-pumped, and Nd:YAG laser operating at 160 MHz pulse repetition rate. For most signal processing purposes, this source can be considered cw. While mode-locked diode-pumped systems have been investigated using end-pumping, we have pursued scalable side-pumped geometry; the generating output powers exceeded the watt level.

© 1991 Optical Society of America

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