Injection seeded frequency stabilized Nd:YAG ring oscillator following a Pound–Drever–Hall scheme

Abstract

An injection seeded Nd:YAG laser oscillator has been set up and frequency stabilized following an rf-sideband scheme. This dual rod oscillator emits pulses with $23\text{\hspace{0.17em} ns}$ duration and $20\text{\hspace{0.17em} mJ}$ energy. The beam quality is almost diffraction limited $\left(M^2=1.2\right)$. The frequency stability was characterized with a heterodyne method to $1.0\text{\hspace{0.17em} MHz}$ root mean square (rms). This oscillator will serve as the front end for a series of lidar devices for spectrally sensitive measurements.

© 2007 Optical Society of America

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