Optics, Quantum Electronics

Photodetector array for intracavity selection of laser radiation direction

G. N. Kachalin, S. N. Pevnyi, D. N. Pivkin, A. S. Safronov, A. F. Shkapa

Federal State Unitary Enterprise "Russian Federal Nuclear Center — All-Russian Research Institute of Experimental Physics", Sarov, Nizhny Novgorod region

Abstract: A photodissociation iodine laser with an intracavity spatio-temporal light modulator controlled by an external photodetector array is studied experimentally. The feasibility of lasing in different directions determined by a light signal is demonstrated. The laser radiation energy is 11 J per pulse, and the duration and divergence of the pulse are 180 $\mu$s and 1.2 $\times$ 10$^{-4}$ rad, respectively.

Received: 13.04.2011

 English version: Technical Physics, 2012, 57:1, 78–82

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