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W.Bertrand (Randy) Doriese (Fed)

Randy Doriese is a research physicist in the Quantum Sensors Group at NIST in Boulder, CO. He joined NIST as a National Research Council Postdoctoral Fellow in 2002. His areas of research include the development of superconducting readout circuitry for low-temperature sensors and the application of the arrays of these sensors to X-ray spectroscopy. He has received NIST Gold and Bronze Medal Awards for his research.

Research Interests

  • SQUID readout of Transition-Edge Sensors
  • Cryogenic Design and Engineering
  • X-ray Spectroscopy

Publications

Speciation of cesium in a radiocesium-bearing microparticle emitted from Unit 1 during the Fukushima nuclear accident by XANES spectroscopy using transition edge sensor

Author(s)
Yoshio Takahashi, Shinya Yamada, Hikaru Miura, Yuichi Kurihara, Oki Sekizawa, Kiyofumi Nitta, Tadashi Hashimoto, Masato Tanaka, Minako Kurisu, Shinji Okada, Takaaki Itai, Hiroki Suga, Teruhiko Kashiwabara, Kohei Sakata, Hideyuki Tatsuno, Ryota Hayakawa, Hirotaka Suda, Takaya Ohashi, Yoshitaka Ishisaki, Takuma Okumura, Yuto Ichinohe, Tasuku Hayashi, Yuki Imai, Hirofumi Noda, Toru Tamagawa, Tadaaki Isobe, Toshiyuki Azuma, William Doriese, Joel Ullom, Daniel Swetz, Malcolm Durkin, Galen O'Neil, Satoshi Kohjiro, Shogo Higaki, Daisuke Tsumune, Masayoshi Yamamoto, Tomoya Uruga
The chemical state of radiocesium (RCs) was determined using X-ray absorption near-edge structure (XANES) in fluorescence mode and microbeam X-ray fluorescence

Application of hard x-ray and gamma-ray TES microcalorimeters at an accelerator facility

Author(s)
Takeshi Saito, Shinji Okada, Yuichi Toyoma, Toshiyuki Azuma, Gonçalo Baptista, Daniel Becker, Douglas Bennett, William Doriese, Joseph Fowler, Johnathon Gard, Tadashi Hashimoto, Ryota Hayakawa, Tasuku HAYASHI, Yuto Ichinohe, Josef Imrek, Paul Indelicato, Tadaaki Isobe, Sohtaro Kanda, Naritoshi Kawamura, John Mates, Yasuhiro Miyake, Kelsey Morgan, Hirofumi Noda, Galen O'Neil, Takuma Okumura, Nancy Paul, Daniel Schmidt, Kouichiro Shimomura, Patrick Strasser, Daniel Swetz, Tadayuki Takahashi, Motonobu Tampo, Joel Ullom, Izumi Umegaki, Joel Weber, Shinya Yamada, Daikang Yan
The x-ray spectroscopy of the muonic atom has attracted atomic, nuclear, and particle physicists since its discovery. The properties of a muonic atom, such as
View more Publications

Patents (2018-Present)

X-Ray Spectrometer

X-Ray Spectrometer

NIST Inventors
Kevin L. Silverman , Carl D. Reintsema , Galen O'Neil , Luis Miaja Avila , Daniel Swetz , W.Bertrand (Randy) Doriese , Dan Schmidt , Bradley Alpert , Joseph Fowler , Joel Ullom and Ralph Jimenez
This invention includes: an x-ray plasma source that produces primary x-rays; an x-ray optic that transmits and focuses the primary x-ray onto a sample jet from which fluorescence x-ray are emitted; and a microcalorimeter array detector that measures the energy of the incoming fluorescence x-rays
View All Patents
Created October 9, 2019, Updated December 15, 2023
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