About Us Research People Facilities Publications Picture Galleries Useful Links Contact Us SPRL Webmail		Seimconductor Physics Research Laboratory Department of Physics, Chulalongkorn University Bangkok, THAILAND       JY SPEX 750m Monochomator The JY SPEX 750m monochromator (double gratings) is equipped with Pelltier-cooled photomultiplier tube and LN2-cooled Ge detectors. The sample compartment can be cooled down to 10K. The system is mainly used for photoluminescense measurements with He-Ne and He-Cd excitation lasers.
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