Description:
Absolute irradiance calibrations based on the calculability of synchrotron radiation are performed on beamline 2.
Specifications / Capabilities:
- Undispersed synchrotron radiation and instrument aperture are used as a standard of irradiance
- First experimental station is located 11.6 m from the tangent point (2 gimbals mounted on a milling table)
- Class 10,000 clean room access to large chamber, located 17.9 m from the tangent point (gimbals inside of the chamber allow instrument rotation; the whole chamber can be translated)
- Calibrations provided from 2 nm to 400 nm with uncertainty from 0.6% to < 0.1%
- Clean, hydrocarbon free vacuum to avoid instrument contamination
- Calibration of ultraviolet and extreme-ultraviolet detector packages for NASA contractors
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![Beamline 2 Beamline 2](https://webarchive.library.unt.edu/web/20120921050614im_/http://www.nist.gov/pml/div685/grp07/images/bl2.jpg) Beamline 2 end-station and clean room.
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