InGaAs Detectors for Oriel Merlin™ Radiometry System
  • Excellent speed of response and linearity
  • Calibrated models
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Description Models Catalog PDF
InGaAs Detector mounted to output of Cornerstone™ 260 Monochromator.


Fig. 1 Measurable power of the TE cooled 70348 detector, operated by Merlin™.


Fig. 2 Relative responsivity of the 70348 InGaAs detector.

Room Temperature vs Cooled

We achieve excellent stability of response with the TE cooled detectors as a result of the inherent qualities of the diode and thermal stabilization at temperatures down to -20°C. The room temperature detectors will serve you well if you don't work too close to the extremes of their spectral range, especially at 1.7 µm.

Calibration

The stability and linearity of response of our InGaAs detectors makes them excellent candidates for calibrated measurements. We ship the standard models with a single point calibration at 1.55 µm. Use the typical responsivity curve shown in Fig. 2 to approximate responsivity at other wavelengths. For highest accuracy, we offer calibrated models with NIST traceable calibrated responsivity factors for the 0.8 to 1.7 µm range.

Detector Systems

Each InGaAs detector package includes:
  • InGAs detector element
  • Detector housing with built-in preamplifier
  • All necessary interconnecting cables

You will also need to order: