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A pump cavity for a Brewster angle Nd:YAG slab of dimensions 7 × 26 × 191 mm3 and 1.1 at % doping concentration was designed, which provided a total efficiency of 4.3% in pulsed operation with pump energy of 1300 J per pulse and a pulse duration of 4 msec (Fig. 1). The slab is pumped over a length of 140 mm by four Krypton flashlamps with 5.5-inch are length, inner diameter of 7 mm and outer diameter of 9 mm.
© 1993 Optical Society of America
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