Abstract
One peculiarity of laser operation with slow longitudinal relaxation of the population inversion in the active medium which enables one to obtain continuous tuning in these pulse lasers, while varying the cavity optical length, is discussed. Generation frequency can be continuously changed over a range of the order of hundreds to thousands of intermode intervals using only the dynamic tuning of the cavity without selective tuning. The continuous tuning (CT) interval is about 0·2 cm m1 in a ruby laser and about 2 cm m1 in a Nd-glass laser with the emission spectrum width less than 10 m2 cm m1 and 7 2 10m5 cm m1 respectively for these lasers. The dependences of the potential of lasers with pure dynamic CT on cavity and active medium parameters are estimated. Unique high-resolution laser spectrometers, based on developed lasers, and some spectroscopic results are reported.
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