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Alex P. Farrell (Fed)

Mr. Alex Farrell is an electronics technician in the Ultraviolet Radiation Group of the Sensor Science Division in the Physical Measurement Laboratory. He serves as operator of the Synchrotron Ultraviolet Radiation Facility (SURF III) in the daily operation, maintenance and repair of all subsystems, and general electronic / mechanical / hydraulic / vacuum support of SURF users.


  • Eugene Casson Crittenden Award, 2016
  • U.S. Department of Commerce Bronze Medal, 2014
  • NIST Colleague's Choice Award, 2013
  • U.S. Department of Commerce Bronze Medal, 2005
  • Co-recipient of NIST's Judson C. French award, 2001
  • Superior Performance, U.S. Department of Navy, 1994, 1995, and 1997


Vacuum Furnace for Degassing Stainless-Steel Vacuum Components

James A. Fedchak, Julia K. Scherschligt, Daniel S. Barker, Stephen P. Eckel, Alex P. Farrell, Makfir Sefa
Ultra-high vacuum systems must often be constructed of materials with ultra-low outgassing rates to achieve pressure of 10-6 Pa and below. In such a case, any

SURF III: A flexible Synchrotron Radiation Source for Radiometry and Research

Uwe Arp, Charles W. Clark, Lu Deng, Nadir S. Faradzhev, Alex P. Farrell, Mitchell L. Furst, Steven E. Grantham, Edward W. Hagley, Shannon B. Hill, Thomas B. Lucatorto, Ping-Shine Shaw, Charles S. Tarrio, Robert E. Vest
The calculability of synchrotron radiation (SR) makes electron storage rings wonderful light sources for radiometry. The broadband nature of SR allows coverage

Synchrotron Ultraviolet Radiation Facility SURF III

Uwe Arp, Charles W. Clark, Alex P. Farrell, E Fein, Mitchell L. Furst, Edward W. Hagley
The National Institute of Standards and Technology (NIST) has operated the Synchrotron Ultraviolet Radiation Facility (SURF) continuously since the early 1960s
Created October 9, 2019, Updated December 8, 2022