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Selecting CCDs for Raman Spectroscopy

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John Gilmore, Hamamatsu Corp.

Raman spectroscopy is a well-known technique used to identify materials and chemicals. Until the 1980s, most Raman instruments used dedicated monochromators with photomultiplier tube (PMT) detectors.1 These early systems enjoyed the high sensitivity that a PMT provides but lacked versatility and red response (700- to 1000-nm region). Today the Raman market is dominated by CCD detectors with versatile grating and high sensitivity in the red and near-IR regions. This article will explain how to select a CCD detector for Raman spectroscopy, focusing primarily on relevant CCD device...Read full article

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