Abstract
Recently, Badziak and Tyl [1] have theoretically analyzed the inclusion of a two-photon absorber along with a single photon absorber in a laser cavity. They predicted that mode locking would occur with an increase in the intensity and contrast of the pulses, and a reduction in the pulse length. In this paper we announce the experimental observation of passive mode locking in a pulsed Nd3+:YAG laser with the inclusion of only a two-photon absorbing element in the cavity.
© 1985 Optical Society of America
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