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VIS-SWIR Graphene Detectors

Now there is a detector that works for visible and short wave infrared (SWIR or NIR). No need for 2 detectors (Si and InGaAs) to cover this bandwidth. The spectral response is almost flat across the entire spectrum (400 – 1800nm).

Emberion’s graphene photodetectors convert light to an electronic signal using graphene charge transducers combined with nanocrystal light absorber. They provide superior responsivity with very low noise over a broad spectral range from visible to near infrared/short-wave infrared (NIR/SWIR) wavelengths without cooling below room temperature. The dynamic range of the detectors is very large, owing to low noise and a response that does not saturate. The size of rectangular photosensitive active area is tailorable.

The photodetectors are packaged into standard TO-5 cans. For evaluation purposes, they also offer detectors in TO-8 cans with a built-in thermo-electric cooling (TEC) element for thermal stabilization. In addition to discrete analog components in a TO-5/8 can, these photodetectors are available as digital modules, i.e. circuit boards comprising HW&SW implementation for calibration, signal pre-processing, analog-to-digital conversion and digital I/O.

Potential applications include spectrometry, optical gas detection and optical power measurements.

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Technology in Brief:

Datasheet: VIS- SWIR Detector Module