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Product News: Test & Measuring Instruments
SXR and EUV Off-Plane Spectrometer works under vacuum.
Press Release Summary:
Apr 18, 2014 - Conical-diffraction, off-plane X-ray Czerny-Turner (OP-XCT) operates from 8–125 nm asÂ monochromator or imaging spectrograph for sorting laser harmonics and other applications. Unit can, with coarse diffraction grating and CCD, survey broad EUV wavelength range, dispersing 10–140 nm onÂ 12 mm wide detector. Optical system helps maximize light throughput and minimize stretching in fast pulse laser applications, while triple grating mount improves efficiency at user-specified harmonics.
Original Press Release
SXR and EUV Off-Plane Spectrometer
Press release date: Apr 16, 2014
Thanks to the new optical system, the McPherson OP-XCT offers exceptional light throughput, and minimum stretching in fast pulse laser applications.
The triple grating mount works under vacuum and improves efficiency at user specified harmonics. Planar gratings used in the OP-XCT are available with different blaze angles, providing opportunity to optimize instrument response for chosen applications.
Spectral resolution of the OP-XCT is a controllable function via selected gratings, entrance slit and source size. With a 50 um source and a CCD detector, the 800mm focal length OP-XCT resolving power (ë/Äë) is better than 300 at 25.6nm (48eV).
The precision wavelength drive is ideal for energy scans and high accuracy staring applications. The OP-XCT permits selection of grating rotation to work at positive and negative diffracted orders. This is all important for configuring time compensated double monochromators. The wavelength drive remains linear throughout, for easy calibration.
Available in an ultra high vacuum (UHV) or high-vacuum versions, the OP-XCT is a powerful tool for laser generated high harmonic experiments like photoemission spectroscopy and pump probe ARPES.
McPherson (Chelmsford, MA USA) has more than fifty years experience manufacturing optical instruments and systems, for customers at university and research laboratories worldwide. Contact us today to learn more.
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