Dual anti-reflection coating for quantum efficiency
Andor Technology
Andor has launched its ‘Extended Range, Dual-AR technology’ for the Newton and iDus spectroscopy CCD platforms.
The coating extends the Near-Infrared Quantum Efficiency (QE) performance of back-illuminated, deep-depletion sensors into the visible and ultraviolet range.
Available on the Newton 920 platform and the laboratory-workhorse iDus 420 platform, the Extended Range, Dual-AR technology facilitates broadening of the QE range of back-illuminated, deep-depletion sensors through implementation of a new dual anti-reflection coating process.
This new process has been developed and characterised by the Chelmsford-based sensor manufacturer e2v.
The technology also improves sensitivity in the visible and ultraviolet regions, with ~90% or greater QE in the 500-850 nm range, whilst maintaining the standard virtual etaloning-free performance of Andor’s deep-depletion sensors in the near-infrared.
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