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Model 234/302 VUV Spectrometer

Photonics.com
Aug 2010
McPhersonRequest Info
 
CHELMSFORD, Mass., Aug. 2, 2010 — McPherson Inc. has announced that its vacuum-ultraviolet (VUV) spectrometer, the Model 234/302, is now available with improved efficiency over a wide wavelength range. New platinum-coated gratings are suitable for use at windowless wavelengths, shorter than 120 nm (>10eV.)

The compact 200-mm-focal-length spectrometer can be supplied with various gratings to spread optimization over the entire 30 to 550-nm wavelength range, an advantage enabled by the optical design. In combination with windowless, sensitive, cooled scientific-grade CCD detectors, adjustable slits and f/4.5, the spectrometer provides fast and sensitive data collection.

Extreme- and vacuum-ultraviolet radiation and emission spectra can be analyzed with subnanometer spectral resolution. An adjustable slit width provides for best light throughput and for better spectral resolution to resolve closely spaced spectral lines. Tunability of the installed grating to longer or shorter wavelengths provides a means to collect different simultaneous wavelength swaths for general-purpose spectroscopy, plasma physics and process monitoring, without compromising resolution or signal strength.

The platinum-coated optics improve utility of the spectrometer system. Furnished with a spectral calibration certificate, it is available with standard light sources, reflective condenser optics and vacuum differential sections.


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GLOSSARY
plasma physics
The study of highly ionized gases. Many phenomena not exhibited by uncharged gases are associated with plasma physics.
spectrometer
A kind of spectrograph in which some form of detector, other than a photographic film, is used to measure the distribution of radiation in a particular wavelength region.  
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