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VS7000-CCD-HSE Spectrometer

Photonics.com
Feb 2014
HORIBA ScientificRequest Info
 
EDISON, N.J., Feb. 6, 2014 — Horiba Scientific has released electronic-shutter CCDs and electronics for use with its VS7000-CCD-HSE spectrometer as well as other UV-VIS-NIR mini spectrometers.

The VS7000-CCD-HSE offers readout speeds down to 1 ms and e-shuttering down to a few microseconds. The CCD features 2048 pixels and a sensitive-area height of 1 mm, while the device achieves a signal-to-noise ratio of 525:1 in shot-noise conditions on a single pixel. The dynamic range is close to 10,000:1.

Four wavelength coverage options are available: UV-visible (200 to 860 nm); visible (380 to 750 nm); UV-NIR (200 to 1050 nm); and visible-NIR (350 to 1050 nm).

The device is suitable for short-pulse applications in the life sciences, process monitoring and other analytical instrumentation applications using emission, fluorescence, reflectance and absorbance techniques.


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GLOSSARY
absorbance
The natural log of the ratio of absorbed intensity over the total intensity which gives a constant value assuming a stable volume as well as energy. In optical physics the absorbance may be defined as the absorption cross section multiplied by the absorbing material length.
fluorescence
The emission of light or other electromagnetic radiation of longer wavelengths by a substance as a result of the absorption of some other radiation of shorter wavelengths, provided the emission continues only as long as the stimulus producing it is maintained. In other words, fluorescence is the luminescence that persists for less than about 10-8 s after excitation.
reflectance
The ratio of reflected flux to incident flux. Unless otherwise specified, the total reflectance is meant; it is sometimes convenient to divide this into the sum of the specular and the diffuse reflectance.
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