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Journal Articles

Accurate measurement of the loss rate of cold atoms due to background gas collisions for the quantum-based cold atom vacuum standard

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Daniel S. Barker, James A. Fedchak, Jacek Kłos, Julia Scherschligt, Abrar A. Sheikh, Eite Tiesinga, Stephen P. Eckel
Journal: AVS Quantum Science
AVS Quantum Sci. 5, 035001 (2023)
https://doi.org/10.1116/5.0147686
Published: August 2023
View article titled, Accurate measurement of the loss rate of cold atoms due to background gas collisions for the quantum-based cold atom vacuum standard
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Journal Articles

Precise quantum measurement of vacuum with cold atoms

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Daniel S. Barker, Bishnu P. Acharya, James A. Fedchak, Nikolai N. Klimov, Eric B. Norrgard, Julia Scherschligt, Eite Tiesinga, Stephen P. Eckel
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 121101 (2022)
https://doi.org/10.1063/5.0120500
Published: December 2022
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Journal Articles

Comparison of two multiplexed portable cold-atom vacuum standards

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Lucas H. Ehinger, Bishnu P. Acharya, Daniel S. Barker, James A. Fedchak, Julia Scherschligt, Eite Tiesinga, Stephen Eckel
Journal: AVS Quantum Science
AVS Quantum Sci. 4, 034403 (2022)
https://doi.org/10.1116/5.0095011
Published: July 2022
View article titled, Comparison of two multiplexed portable cold-atom vacuum standards
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Journal Articles

Outgassing rate comparison of seven geometrically similar vacuum chambers of different materials and heat treatments

James A. Fedchak, Julia K. Scherschligt, Sefer Avdiaj, Daniel S. Barker, Stephen P. Eckel, Ben Bowers, Scott O’Connell, Perry Henderson
Journal: Journal of Vacuum Science & Technology B
J. Vac. Sci. Technol. B 39, 024201 (2021)
https://doi.org/10.1116/6.0000657
Published: February 2021
View article titled, Outgassing rate comparison of seven geometrically similar vacuum chambers of different materials and heat treatments
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Journal Articles

Review Article: Quantum-based vacuum metrology at the National Institute of Standards and Technology

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Julia Scherschligt, James A. Fedchak, Zeeshan Ahmed, Daniel S. Barker, Kevin Douglass, Stephen Eckel, Edward Hanson, Jay Hendricks, Nikolai Klimov, Thomas Purdy, Jacob Ricker, Robinjeet Singh, Jack Stone
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 36, 040801 (2018)
https://doi.org/10.1116/1.5033568
Published: June 2018
View article titled, Review Article: Quantum-based vacuum metrology at the National Institute of Standards and Technology
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