OT-25 (002/004): Er: Glass Laser Transmitters with Flashlamp Pumping.

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Specifications

Type

Wavelength (nm)

Output power (W)

Pulse energy (uJ)

Pulse width

Rep rate

Q-switch type

Overview of OT-25– Er: Glass Q-Switched Laser Transmitter

The OT-25 is a high energy q-switched 1.54 mm 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 -32oC to 55oC.  The OT-25 delivers over 1.2 mJ of pulse energy with a full width half maximum (FWHM) pulse width of 24 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-25 also has a built-in photodiode for use as a reference for the starting signal.

OT-25 Features:

  • 1.54µm wavelength
  • >1.2mJ average output energy
  • 10Hz repetition rate
  • Passive Q-switching
  • 24ns pulse width
  • 4mm beam <5mrad divergence
  • -32oC to 55oC
  • Forced air cooling

OT-25 Applications:

  • Range Finding
  • Active Night Vision