Experimental results of a recently proposed technique for obtaining Q-switched laser pulses of controllable length are presented. A lithium iodate doubling crystal inside the cavity of a Nd: YAG laser running at 0.946 μ is used to provide both output coupling and an easily adjustable, nonlinear loss mechanism. Controllable pulse lengths in the range of 200 nsec to 1 μ at 0.473 μ have been achieved at nominally constant energy.
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Young et al. (1971) studied this question.
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