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Alluxa - Optical Coatings LB 8/23
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Exploring Spectroscopy eBook

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Author: Antoine Varagnat
Monday, November 20, 2023
Andor Technology

Standard back-illuminated, deep-depletion (BI-DD) CCDs offer quantum efficiencies (QE) up to 95% in the near-infrared (NIR). This makes them the detector of choice for photoluminescence, Raman or plasmonic spectroscopy in the 700 - 1,100 nm range. One disadvantage of deep-depletion devices has been a significant associated increase in dark current (~100 times) compared to standard back-illuminated, visible-optimized CCDs. This eBook explores how a new generation of Low Dark-Current, Deep-Depletion (LDC-DD) CCDs now overcomes this limitation, and challenges the need for liquid-nitrogen (LN2)-cooling for photon-starved NIR spectroscopy.
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