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EMCCD Camera

BioPhotonics
Feb 2011
Princeton InstrumentsRequest Info
 
A professional-grade electron-multiplying (EM) CCD camera for spectroscopy applications has been unveiled by Princeton Instruments. The ProEM:1600, the latest addition to the ProEM line, uses proprietary eXcelon technology to increase the sensitivity of the detector in the UV, blue and NIR spectral regions and to reduce the interference fringes, or etaloning effect, that have made back-thinned EMCCDs unusable in the near-IR. The camera features 16-μm pixels in 1600 x 200 and 1600 x 400 formats. The high-speed electron-multiplying mode captures fast dynamics, and the traditional CCD mode delivers ultralow read noise for high-precision photometry. The 6.67-MHz readout rate and 1.5-μs vertical shift time produce acquisition rates of >3000 spectra per second. Applications include scanning confocal Raman spectroscopy, hyperspectral imaging and single-molecule spectroscopy.


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GLOSSARY
hyperspectral imaging
Methods for identifying and mapping materials through spectroscopic remote sensing. Also called imaging spectroscopy; ultraspectral imaging.
optical
Pertaining to optics and the phenomena of light.
photometry
The science of the measurement of light intensity, where "light'' refers to the total integrated range of radiation to which the eye is sensitive. It is distinguished from radiometry in which each separate wavelength in the electromagnetic spectrum is detected and measured, including the ultraviolet and infrared.
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