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Self-Adaptive Compensation for the Thermal Lens in High-Power Lasers

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Abstract

An adaptive negative thermal lens that compensates for the power-dependent positive thermal lens in a transversally diode-pumped Nd:YAG laser rod is presented. We demonstrate that the proposed technique leads to a reduction of the total thermal lens in the resonator by more than an order of magnitude.

© 2001 Optical Society of America

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