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Grade: 12
        
ccd???
4 years ago

Answers : (1)

Gman Namg
420 Points
							
The charge-coupled device (CCD) is a two-dimensional array ofseveral million small photodiode detectors. With a CCD, a widerange of wavelengths that emerge from a polychromator are detectedsimultaneously, thus eliminating the need to measure light intensityone narrow wavelength range at a time. CCD detectors are theimaging devices in digital cameras, but are also used widely in spectroscopy to measure absorption, emission, and Ramanscattering. In Raman microscopy, a CCD detector can be used in avariation of the technique known as Raman imaging: a special opticalfilter allows only one Stokes line to reach the two-dimensionaldetector, which then contains a map of the distribution of theintensity of that line in the illuminated area.
4 years ago
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