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You are here:   » Products » Optical Technologies » Components » Lasers & Light Sources » Lasers » DPSS Lasers » 1645nm Q-switched, Diode Pumped Solid State Laser

DPSS Lasers

1645nm Q-switched, Diode Pumped Solid State Laser

Key Features

  • “Eye-safe” operating wavelength at 1645 nm
  • Pulse repetition frequencies ranging from CW to 2000 Hz
  • mJ-class output pulse energies
  • Low dissipation resonant pumping
  • High peak power
  • High electro-optical efficiency
  • Superior beam quality
  • Excellent atmospheric transmittance
  • Enhanced reliability

Description

The Princeton Lightwave Q-switched diode-pumped solid-state laser (Q-DPSSL) provides highenergy mJ-class optical pulses at an eye-safe short-wave infrared wavelength of 1645 nm. This laser employs resonant pumping of an Er:YAG gain medium using technology pioneered by Princeton Lightwave.

Resonant pumping is achieved by pumping at a wavelength close to the output wavelength of the laser, providing a very small “quantum defect”. This approach to solid state laser design minimizes heating of the gain medium and results in superior beam quality, higher peak power levels, higher electro-optical efficiency, and enhanced reliability. Pumping is established using an integrated high-power, single-emitter pump module assembly based on Princeton Lightwave’s industry-leading InGaAs/InP diode laser technology. This Q-DPSSL architecture affords significant advantages in terms of thermal management and laser reliability.

Applications

  • Range-finders
  • LIDAR/LADAR systems
  • Materials processing
  • Scientific equipment
  • Medical/cosmetic treatments