Abstract-Slab geometry solid-state lasersoffer significant performance improvements over conventional rod geometry lasers. We present a detailed theoretical description of the thermal, stress, and beam propagation characteristics of a slab laser. Our analysis includes consideration of the effects of the zig-zag optical path which eliminates thermal and stress focusing and reduces residual birefringence.
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Angular distributions of the 'Be ions from ( Be,'Be) reactions on the target nuclei "Si and ' Ca have been measured at an energy of 20 MeV (lab). The products of the spectroscopic factors of Be and several states of the residual nuclei ' Si and "Ca were extracted from a distortedwave-Born-approximation analysis.Using the spectroscopic factors of "Si and "Ca levels, known from (d, p) reactions, a spectroscopic factor of 0.42 + 0.04 for 'Be was found.
NUCLEAR REACTIONSSi( Be, 8Be) and 40Ca{~Be,8Be), E|~b --20 Mev; mea.sured o(8) for stripping to levels of Si and Ca, finite-range DWBA analysis; deduced spectroscopic factor of Be.
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