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International Journal of High-Energy Physics

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Cryostats for Angle-Resolved Photoemission Spectroscopy (ARPES) Aug 3, 2010

When designing cryostats for cryostats for ARPES applications,Janis Research chooses materials and fabrication techniques that are strictly compatible with the most demanding UHV requirements.

Janis Research offers Sub-K and 4 K systems for ARPES. The Sub-K system was developed for high-resolution angle-resolved photoemission spectroscopy below 1 K or other applications with similar requirements. Cooling is provided by a continuous flow He-3 cryostat. Approximately 500 mK base temperature at He-3 pot and 900 mK base temperature at the bottom of the cold finger -- both depending on beam line aperture.

The 4 K system for ARPES is based on Janis' proven model ST-400 ultra high vacuum continuous flow cryostat. It is fully bakeable to 200 degrees C, sample temperature range to 500 K (800 K optional). The high efficiency design typically offers <500 mL/hr LHe consumption.

Please visit http://www.janis.com/ARPES_CERNCourier.aspx for more information.