The AOT-YAG-10QE released by Advanced Optical Technology (AOT) Ltd. is an electro-optical Q-switched oscillator that doubles pulse energy to >150 μJ at 2 kHz. Used with the company’s standard harmonic modules, it achieves conversion of >40% to 532 nm, >30% to 355 nm and >20% to 266 nm. Maximum repetition rate is 10 kHz, bandwidth is ≤1 nm, and beam ellipticity is <10%. Maximum average power is 850 mW at 10 kHz, and power stability is 5% or better. The laser head measures 200 × 64 × 320 mm and includes space for optional drop-in 532-, 355- or 266-nm proprietary harmonic modules. The optical beam is nominally 30 mm off the base.

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