Compact low-threshold Q-switched intracavity optical parametric oscillator.
We report a singly resonant pulsed intracavity KTiOPO>(4) optical parametric oscillator that uses a semi-monolithic microchip laser design. The compact (50-mm-long), low-threshold (1.3-W) cavity uses a novel quadrupole deflector Q switch to give 4-microJ pulses at 1.064 microm and 0.4-microJ signal pulses of 5.6-ns duration at 1.53 microm with a repetition frequency of 5 kHz when it is pumped with a 2-W laser diode. The signal pulses are diffraction limited and single frequency.
Conroy
R S
RS
Rae
C F
CF
Friel
G J
GJ
Dunn
M H
MH
Sinclair
B D
BD
Ley
J M
JM