Abstract

We propose new configurations of electro-optic modulators that are controlled by photoconductive switches. Photoconductive switching speed and the use of optical feedback combine to provide the potential for flexible intracavity and extracavity modulation of low- and high-power beams at multigigahertz rates. Experimental results are presented in which a modulator of this type is used to Q switch and cavity dump a Nd:YAG laser, utilizing only a single external trigger. The same modulator is also used to Q switch, mode lock, and cavity dump the same laser. The modulator allows the laser to produces pulses with durations over the range of <80 ps to >20 ns.

© 1993 Optical Society of America

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