IR and Visible FPAs​

The 2048×2048 pixel HAWAII-2RG™ (H2RG) is the next generation, state-of-the-art readout integrated circuit for visible and infrared instrumentation in ground-based and space telescope applications.

  • Large (2048×2048 pixel) array with 18 µm pixel pitch.
  • Compatible with Teledyne Imaging Sensors (TIS) HgCdTe infrared (IR) and silicon PIN HyViSI™ v​isible detectors, providing sensing of any spectral band from soft X-ray to 10 µm.
  • Standard product HgCdTe cutoffs are 1.75 µm, 2.5 µm, and 5.3 µm
  • Substrate-removed HgCdTe enhances the J-band QE, enables response into the visible spectrum (70% QE down to 400 nm) and eliminates fluorescence from cosmic radiation absorbed in the substrate.
  • Reference rows and columns for common-mode noise rejection.
  • Guide window output – windowing with simultaneous science date acquisition of full array. Programmable window which may be read out at up to 5 MHz pixel rate for guiding. Readout is designed to allow interleaved readout of the guide window and the full frame science data.
  • Selectable number of outputs (1, 4, or 32) and user-selectable scan directions provide complete flexibility in data acquisition.
  • Full-frame readout rates up to 74 Hz. Pixel rates up to 480 kHz in slow mode and 10 MHz in fast mode.
  • Built with modularity in mind – the array is 4-side-buttable (with 3-side close buttable) to allow assembly of large mosaics of modules.
  • Fully compatible with the TIS SIDECAR™ ASIC Focal Plane Electronics
  • Packaging materials available: molybdenum or invar.

Published Information – Cleared for Public Release by the DoD’s Office of Security Review (Case #12-S-1869).


Part Number HAWAII 2RG
Sensor Type IR FPA
Resolution 2048 x 2048
Pixel Size 18 x 18 µm
Image Area 36.9 x 36.9 mm
Total Pixels 4.19 MP
Wavelength Category Visible (400-700 nm)
Near Infrared (700-1000 nm)
Short-Wave Infrared (1000-3000 nm)
Medium-Wave Infrared (3000-5000 nm)

Relevant Applications

Space Astronomy & Space Science
Imaging technology for orbiting telescopes, observatories, and the study of the universe
Ground Astronomy
Visible and infrared image sensors that set the standard for the world's leading ground-based astronomy applications and observatories

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