USB Spectrometer


The spectra of our broadband venteon oscillators are difficult to measure with standard Si-based CCD-spectrometers. Limited by the detector sensitivity, these devices are only suitable to cover a spectral range up to 1050 nm, which is not enough for the broadband spectra of state-of-the-art femtosecond lasers such as venteon ultra, which cover a spectral range up to 1200 nm. So far only expensive and scanning optical spectrum analysers have been suitable for a reliable oscillator characterisation.

The TQ Systems irSys USB spectrometer is a compact, mobile and reasonablly priced USB spectrometer that covers a wavelength range spanning from 610 nm - 1700 nm, more than enough to characterise our broadest oscillators. This device is a scanning-type spectrometer and features a MEMS mirror array for scanning the spectral components onto a Si- as well as an InGaAs-detector.


  • Wavelength Range: 610 nm - 1700 nm
  • Si- & InGaAs Detectors
  • Spectral Resolution: <5 nm
  • SNR (Single Shot): 7000:1
  • Temperature Dependency: 0.01 nm/K
  • Fiber Plug: SMA 905
  • Interface: USB/RS485
  • Compatible with Windows 2000, XP, VISTA & 7
  • Dimensions: 104 x 75 x 85 mm³
  • Weight: ~750 g (~1.65 lbs)


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