Abstract

Current interest in efficient blue solid state laser sources has led to research aimed at converting laser radiation in the 1.3μ region to the blue (4300-4600 A). The 4F3/2- 4F13/2 transition in Nd:YLF exhibits prominent polarized lines at 1.313μ (σ), 1.321μ (π) and continuous emission between 1.362 and 1.374 μ (π). A Q-switched two rod oscillator emitting 90 mJ on a narrow line at 1.3665μ is described together with a Q-switched oscillator-amplifier chain emitting .5J at 1.313μ.

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