Compact pulsed frequency-doubled Nd:YAG laser with repetition rate up to 500 Hz

The model LT-4Z electro-optical Q-switched flashlamp-pumped Nd:YAG laser is designed for hydrospheric studies. The laser generates a pulse of light in the blue-green region of the visible spectrum (532 nm), where the absorption of sea water is minimized, at pulse repetition rate of 100 - 500 Hz. This model is especially optimized for operation in airborne hydrography system. In this paper we describe the performance of a laser for complex airborne system which requires the conflicting specifications of high efficiency, small size, short pulsewidth, and high average power.