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Glacier X Spectrometers

Photonics.com
May 2011
B&W TekRequest Info
 
NEWARK, Del., May 11, 2011 — For fluorescence and Raman spectroscopy applications, B&W Tek Inc. has announced its new Glacier X miniature fiber-coupled spectrometers.

The company says that they are the smallest thermoelectrically cooled spectrometers on the market and suitable for low-light-level applications. Proprietary thermoelectric cooling technology allows the signal to be integrated for sufficient time to accumulate measurable signals for detection, without being saturated with dark noise. The result is a good signal-to-noise ratio.

Two new preconfigured models of the Glacier X are in stock and ready for immediate delivery. For fluorescence, the spectrometer is configured with a 100-μm slit, a 350- to 1050-nm-wavelength range and a cylindrical lens that boosts sensitivity by three times. The model preconfigured for Raman spectroscopy is designed for use with a 785-nm excitation source, has a wavelength range of 3215 cm-1 from the Rayleigh line and a resolution of ~10 cm-1.


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GLOSSARY
cylindrical lens
A lens having at least one surface that is formed like a portion of a cylinder. Cylindrical lenses are used to correct astigmatism in the eye, and, in rangefinders, to produce astigmatism, stretching a point of light into a line.
fluorescence spectroscopy
The spectroscopic study of radiation emitted by the process of fluorescence.
Raman spectroscopy
That branch of spectroscopy concerned with Raman spectra and used to provide a means of studying pure rotational, pure vibrational and rotation-vibration energy changes in the ground level of molecules. Raman spectroscopy is dependent on the collision of incident light quanta with the molecule, inducing the molecule to undergo the change.  
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