Reduction of thermally induced depolarization of laser radiation in [110] oriented cubic crystals

The first measurements of thermally induced depolarization in a [110] oriented cubic crystal at powerful heat release were made. It was demonstrated that depolarization in a crystal with such orientation may be less than in analogous crystals having orientation [001] or [111]. In a TGG crystal, for example, maximum depolarization value was 10% and dropped down to 3% with a further increase of radiation power in full conformity with the theoretical predictions.