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772B-MIR Pulsed Laser
Spectrum Analyzer

Spectral characterization of pulsed IR and mid-IR lasers

Laser spectral analysis and wavelength measurement with one instrument

The 772B-MIR Laser Spectrum Analyzer combines proven Michelson interferometer technology with fast Fourier transform analysis resulting in a unique instrument that operates as both a high-resolution spectrum analyzer and a high-accuracy wavelength meter. What makes this system unique is that it can measure the spectral properties of pulsed and CW lasers that operate from 1 to 12 μm.

Supports pulsed laser applications

The 772B-MIR Laser Spectrum Analyzer employs a sophisticated co-additive algorithm to enable the analysis of pulsed lasers that have a repetition rate as low as 50 Hz.

When used with pulsed lasers, a single scan of the Michelson interferometer does not generate an interferogram that is sufficient to convert to a spectrum. Therefore, data generated by a number of laser pulses are collected from multiple scans to “build” a more complete interferogram.

The 772B-MIR Laser Spectrum Analyzer has a spectral resolution of 4 GHz and wavelength accuracy of ± 10 parts per million. An optical rejection ratio of about 15 – 20 dB is achieved assuming an acceptable number of laser pulses (> 30,000) are used to generate the interferogram.

CW laser operation

When used with CW lasers, the 772B-MIR Laser Spectrum Analyzer operates and performs just like our model 771B-MIR.

Straightforward operation

The 772B-MIR Laser Spectrum Analyzer operates with a PC connected directly by USB or through a local area network via Ethernet. Software is provided to control measurement parameters, display spectra, and to report wavelength data.

  • Operation from 1 to 12 μm
  • Spectral resolution of 4 GHz
  • Wavelength accuracy of ± 10 parts per million
  • Continuous calibration with a built-in wavelength standard
  • Optical rejection ratio as high as 20 dB
  • Free-space aperture input with visible alignment aid
  • Straightforward operation with a PC using USB or Ethernet
  • Display software provided to control measurement parameters, display spectra, and report wavelength data
  • 5-year warranty covers all parts and labor

Choose from a selection of convenient accessories for operation with optical fiber.

Connect up to eight lasers to the model 772 with our range of fiber-optic switches.