OT-19: Er: Glass Laser Transmitters with Diode pumping.

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OT-19– Er: Glass Q-Switched Laser Transmitter

The OT-19 is a high energy q-switched 1.54µm diode-pumped solid-state (DPSS) laser from Optitask LTD.   This air-cooled, passively q-switched laser is explicitly designed for high energy laser transmission, in the field with an operating temperature range from -40oC to 75oC.  The OT-19 delivers over 2 mJ of pulse energy with a full width half maximum (FWHM) pulse with of 10 ns and a pulse repetition rate of 1 Hz in continuous operation or 5 Hz in burst mode.  With an output beam diameter of <0.8 mm and a beam divergence less than 5 milliradians these lasers are ideally suited for long-range transmission.  The OT-19 also has a built-in photodiode for use as a reference for the starting signal.

All of these features make the OT-19 laser a robust tool for applications like range finding, and active night vision.

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