SOPHIA – CCD Camera with Ultra Low Noise

The SOPHIA® camera manufactured by Princeton Instruments is the most advanced type of ultra-low-noise scientific cameras to date. It integrates proprietary new ArcTec thermoelectric cooling technology, advanced software, and precisely engineered ultra-low-noise electronics. ArcTec utilizes custom-developed Peltier devices, an all-metal hermetic vacuum design, and wide-ranging computational fluid dynamics (CFD) analysis to realize reliability and unparalleled cooling performance. The sensitivity and speed make the SOPHIA series cameras ideal for low-light-level research applications such as spectroscopy, chemiluminescence, in vivo small animal imaging, astronomy, and photometry.

The SOPHIA-XO model uses an open-nose design and does not require antireflective coatings to enable soft X-ray detection.


The main features of SOPHIA cameras are as follows:

  • 2048 x 2048 back-illuminated CCDs deliver >95% peak QE
  • ArcTec™ technology cools sensor below -90 °C without chillers or cryocoolers
  • Permanent vacuum guarantee
  • Patented eXcelon technology - low fringing and better sensitivity over wide wavelength range
  • Compatible with SpectraPro and IsoPlane spectrometers
  • Up to 16 MHz readout rate with up to four-port simultaneous readout
  • High-speed USB 3.0 data interface with optional fiber-optic connection for remote operation
  • Innovative, ultra-low-noise readout electronics with ultra-stable bias
  • Entirely supported by 64-bit LightField software

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