Dr. Benjamin R. B. Saliwanchik Profile

Dr. Benjamin R. B. Saliwanchik

at Brookhaven National Lab

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 16 August 2024 Poster + Paper

LuSEE-Night power requirements and power generation strategy

Benjamin R. Saliwanchik, Sven Herrmann, Ivan Kotov, Paul O'Connor, Maxim Potekhin, Anže Slosar, Stuart Bale

Proceedings Volume 13102, 131021G (2024) https://doi.org/10.1117/12.3020538

KEYWORDS: Equipment, Batteries, Antennas, Solar cells, Photovoltaics, Satellites, Shadows, Simulations

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Proceedings Article | 26 August 2022 Paper

Antenna characterization for the HIRAX experiment

Emily Kuhn, Benjamin R. B. Saliwanchik, Kevin Bandura, Michele Bianco, H. Cynthia Chiang, Devin Crichton, Meiling Deng, Sindhu Gaddam, Kit Gerodias, Austin Gumba, Maile Harris, Kavilan Moodley, Mugundhan V., Laura Newburgh, Jeffrey Peterson, Elizabeth Pieters, Alexandre Refregier, Ajith Sampath, Mario Santos, Onkabetse Sengate, Jonathan Sievers, Ema Smith, Will Tyndall, Anthony Walters, Amanda Weltman, Dallas Wulf

Proceedings Volume 12182, 1218225 (2022) https://doi.org/10.1117/12.2627856

KEYWORDS: Antennas, Temperature metrology, Amplifiers, Optical testing, Polarization, Nitrogen, Transmitters, Optical simulations, Liquids

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SPIE Journal Paper | 12 January 2022

Hydrogen Intensity and Real-Time Analysis Experiment: 256-element array status and overview

Devin Crichton, Moumita Aich, Adam Amara, Kevin Bandura, Bruce Bassett, Carlos Bengaly, Pascale Berner, Shruti Bhatporia, Martin Bucher, Tzu-Ching Chang, H. Cynthia Chiang, Jean-François Cliche, Carolyn Crichton, Romeel Dave, Dirk I. De Villiers, Matt Dobbs, Aaron M. Ewall-Wice, Scott Eyono, Christopher Finlay, Sindhu Gaddam, Ken Ganga, Kevin Gayley, Kit Gerodias, Tim Gibbon, Austine Gumba, Neeraj Gupta, Maile Harris, Heiko Heilgendorff, Matt Hilton, Adam D. Hincks, Pascal Hitz, Mona Jalilvand, Roufurd P. M. Julie, Zahra Kader, Joseph Kania, Dionysios Karagiannis, Aris Karastergiou, Kabelo Kesebonye, Piyanat Kittiwisit, Jean-Paul Kneib, Kenda Knowles, Emily Kuhn, Martin Kunz, Roy Maartens, Vincent MacKay, Stuart MacPherson, Christian Monstein, Kavilan Moodley, V. Mugundhan, Warren Naidoo, Arun Naidu, Laura Newburgh, Viraj Nistane, Amanda Di Nitto, Deniz Ölçek, Xinyu Pan, Sourabh Paul, Jeffrey Peterson, Elizabeth Pieters, Carla Pieterse, Aritha Pillay, Anna Polish, Liantsoa Randrianjanahary, Alexandre Refregier, Andre Renard, Edwin Retana-Montenegro, Ian H. Rout, Cyndie Russeeawon, Alireza Vafaei Sadr, Benjamin R. Saliwanchik, Ajith Sampath, Pranav Sanghavi, Mario Santos, Onkabetse Sengate, J. Richard Shaw, Jonathan L. Sievers, Oleg M. Smirnov, Kendrick Smith, Ulrich Armel Mbou Sob, Raghunathan Srianand, Pieter Stronkhorst, Dhaneshwar D. Sunder, Simon Tartakovsky, Russ Taylor, Peter Timbie, Emma Tolley, Junaid Townsend, Will Tyndall, Cornelius Ungerer, Jacques van Dyk, Gary van Vuuren, Keith Vanderlinde, Thierry Viant, Anthony Walters, Jingying Wang, Amanda Weltman, Patrick Woudt, Dallas Wulf, Anatoly Zavyalov, Zheng Zhang

JATIS, Vol. 8, Issue 01, 011019, (January 2022) https://doi.org/10.1117/12.10.1117/1.JATIS.8.1.011019

KEYWORDS: Hydrogen, Telescopes, Baryon acoustic oscillations, Radio astronomy, Receivers, Visibility, Physics, Signal processing, Pulsars, Observatories

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Proceedings Article | 20 January 2021 Poster + Paper

Noise temperature testing for the Hydrogen Intensity and Real-time Analysis eXperiment (HIRAX)

Emily Kuhn, Benjamin R. Saliwanchik, Maile Harris, Moumita Aich, Kevin Bandura, Tzu-Ching Chang, H. Cynthia Chiang, Devin Crichton, Aaron Ewall-Wice, Austin Gumba, Neeraj Gupta, Kabelo Calvin Kesebonye, Jean-Paul Kneib, Martin Kunz, Kavilan Moodley, Laura Newburgh, Viraj Nistane, Warren Naidoo, Deniz Ölçek, Jeffrey Peterson, Alexandre Refregier, Jonathan Sievers, Corrie Ungerer, Alireza Vafaei Sadr, Jacques van Dyk, Amanda Weltman, Dallas Wulf

Proceedings Volume 11445, 114452Z (2021) https://doi.org/10.1117/12.2560270

KEYWORDS: Calibration, Hydrogen, Baryon acoustic oscillations, Temperature metrology, Optical testing, Antennas

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Proceedings Article | 11 January 2021 Poster + Paper

Mechanical and optical design of the HIRAX radio telescope

Benjamin R. Saliwanchik, Aaron Ewall-Wice, Devin Crichton, Emily Kuhn, Deniz Ölçek, Kevin Bandura, Martin Bucher, Tzu-Ching Chang, H. Cynthia Chiang, Kit Gerodias, Kabelo Kesebonye, Vincent MacKay, Kavilan Moodley, Laura Newburgh, Viraj Nistane, Jeffrey Peterson, Elizabeth Pieters, Carla Pieterse, Keith Vanderlinde, Jonathan Sievers, Amanda Weltman, Dallas Wulf

Proceedings Volume 11445, 114455O (2021) https://doi.org/10.1117/12.2552508

KEYWORDS: Optical design, Radio telescopes, Baryon acoustic oscillations, Hydrogen, Electromagnetism, Interferometry, Device simulation, Optical simulations

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Proceedings Article | 13 December 2020 Poster + Paper

The Baryon Mapping eXperiment: a 21cm intensity mapping pathfinder

Paul O'Connor, Anže Slosar, Maile Harris, Justine Haupt, John Kuczewski, Emily Kuhn, Laura Newburgh, Annie Polish, Benjamin Saliwanchik, Chris Sheehy, Paul Stankus, Gregory Troiani, William Tyndall

Proceedings Volume 11445, 114457C (2020) https://doi.org/10.1117/12.2576250

KEYWORDS: Optical correlators, Galactic astronomy, Visibility, Transducers, Reflectors, Interferometry, Electronics, Electromagnetic coupling, Diodes, Calibration

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Proceedings Article | 8 August 2016 Paper

HIRAX: a probe of dark energy and radio transients

L. Newburgh, K. Bandura, M. Bucher, T.-C. Chang, H. Chiang, J.F. Cliche, R. Davé, M. Dobbs, C. Clarkson, K. Ganga, T. Gogo, A. Gumba, N. Gupta, M. Hilton, B. Johnstone, A. Karastergiou, M. Kunz, D. Lokhorst, R. Maartens, S. Macpherson, M. Mdlalose, K. Moodley, L. Ngwenya, J. Parra, J. Peterson, O. Recnik, B. Saliwanchik, M. Santos, J. Sievers, O. Smirnov, P. Stronkhorst, R. Taylor, K. Vanderlinde, G. Van Vuuren, A. Weltman, A. Witzemann

Proceedings Volume 9906, 99065X (2016) https://doi.org/10.1117/12.2234286

KEYWORDS: Baryon acoustic oscillations, Hydrogen, Interferometers, Galactic astronomy, Optical correlators, Antennas, Calibration, Prototyping, Physics, Astronomy

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The Hydrogen Intensity and Real-time Analysis eXperiment (HIRAX) is a new 400{800MHz radio interferometer under development for deployment in South Africa. HIRAX will comprise 1024 six meter parabolic dishes on a compact grid and will map most of the southern sky over the course of four years. HIRAX has two primary science goals: to constrain Dark Energy and measure structure at high redshift, and to study radio transients and pulsars. HIRAX will observe unresolved sources of neutral hydrogen via their redshifted 21-cm emission line (`hydrogen intensity mapping'). The resulting maps of large-scale structure at redshifts 0.8{2.5 will be used to measure Baryon Acoustic Oscillations (BAO). BAO are a preferential length scale in the matter distribution that can be used to characterize the expansion history of the Universe and thus understand the properties of Dark Energy. HIRAX will improve upon current BAO measurements from galaxy surveys by observing a larger cosmological volume (larger in both survey area and redshift range) and by measuring BAO at higher redshift when the expansion of the universe transitioned to Dark Energy domination. HIRAX will complement CHIME, a hydrogen intensity mapping experiment in the Northern Hemisphere, by completing the sky coverage in the same redshift range. HIRAX's location in the Southern Hemisphere also allows a variety of cross-correlation measurements with large-scale structure surveys at many wavelengths. Daily maps of a few thousand square degrees of the Southern Hemisphere, encompassing much of the Milky Way galaxy, will also open new opportunities for discovering and monitoring radio transients. The HIRAX correlator will have the ability to rapidly and efficiently detect transient events. This new data will shed light on the poorly understood nature of fast radio bursts (FRBs), enable pulsar monitoring to enhance long-wavelength gravitational wave searches, and provide a rich data set for new radio transient phenomena searches. This paper discusses the HIRAX instrument, science goals, and current status.

Proceedings Article | 20 July 2016 Paper

Integrated performance of a frequency domain multiplexing readout in the SPT-3G receiver

A. Bender, P. A. Ade, A. Anderson, J. Avva, Z. Ahmed, K. Arnold, J. Austermann, R. Basu Thakur, B. Benson, L. Bleem, K. Byrum, J. Carlstrom, F. Carter, C. Chang, H. M. Cho, J. F. Cliche, T. Crawford, A. Cukierman, D. Czaplewski, J. Ding, R. Divan, T. de Haan, M. A. Dobbs, D. Dutcher, W. Everett, A. Gilbert, J. Groh, R. Guyser, N. Halverson, A. Harke-Hosemann, N. Harrington, K. Hattori, J. Henning, G. Hilton, W. Holzapfel, N. Huang, K. Irwin, O. Jeong, T. Khaire, M. Korman, D. Kubik, C. L. Kuo, A. Lee, E. Leitch, S. Lendinez, S. Meyer, C. Miller, J. Montgomery, A. Nadolski, T. Natoli, H. Nguyen, V. Novosad, S. Padin, Z. Pan, J. Pearson, C. Posada, A. Rahlin, C. Reichardt, J. Ruhl, B. Saliwanchik, J. Sayre, J. Shariff, Ian Shirley, E. Shirokoff, G. Smecher, J. Sobrin, L. Stan, A. Stark, K. Story, A. Suzuki, Q. Y. Tang, K. Thompson, C. Tucker, K. Vanderlinde, J. Vieira, G. Wang, N. Whitehorn, V. Yefremenko, K. W. Yoon

Proceedings Volume 9914, 99141D (2016) https://doi.org/10.1117/12.2232146

KEYWORDS: Receivers, Bolometers, Multiplexing, Sensors, Electronics, Cryogenics, Resistance, Superconductors, Physics, Filtering (signal processing)

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Proceedings Article | 19 July 2016 Paper

Large arrays of dual-polarized multichroic TES detectors for CMB measurements with the SPT-3G receiver

Chrystian Posada, Peter A. Ade, Adam Anderson, Jessica Avva, Zeeshan Ahmed, Kam Arnold, Jason Austermann, Amy Bender, Bradford Benson, Lindsey Bleem, Karen Byrum, John Carlstrom, Faustin Carter, Clarence Chang, Hsiao-Mei Cho, Ari Cukierman, David Czaplewski, Junjia Ding, Ralu Divan, Tijmen de Haan, Matt Dobbs, Daniel Dutcher, Wenderline Everett, Renae Gannon, Robert Guyser, Nils Halverson, Nicholas Harrington, Kaori Hattori, Jason Henning, Gene Hilton, William Holzapfel, Nicholas Huang, Kent Irwin, Oliver Jeong, Trupti Khaire, Milo Korman, Donna Kubik, Chao-Lin Kuo, Adrian Lee, Erik Leitch, Sergi Lendinez Escudero, Stephan Meyer, Christina Miller, Joshua Montgomery, Andrew Nadolski, Tyler Natoli, Hogan Nguyen, Valentyn Novosad, Stephen Padin, Zhaodi Pan, John Pearson, Alexandra Rahlin, Christian Reichardt, John Ruhl, Benjamin Saliwanchik, Ian Shirley, James Sayre, Jamil Shariff, Erik Shirokoff, Liliana Stan, Antony Stark, Joshua Sobrin, Kyle Story, Aritoki Suzuki, Qing Yang Tang, Ritoban Thakur, Keith Thompson, Carole Tucker, Keith Vanderlinde, Joaquin Vieira, Gensheng Wang, Nathan Whitehorn, Volodymyr Yefremenko, Ki Won Yoon

Proceedings Volume 9914, 991417 (2016) https://doi.org/10.1117/12.2232912

KEYWORDS: Sensors, Receivers, Bolometers, Physics, Niobium, Technetium, Semiconducting wafers, Silicon, Antennas, Detector arrays

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Detectors for cosmic microwave background (CMB) experiments are now essentially background limited, so a straightforward alternative to improve sensitivity is to increase the number of detectors. Large arrays of multichroic pixels constitute an economical approach to increasing the number of detectors within a given focal plane area. Here, we present the fabrication of large arrays of dual-polarized multichroic transition-edge-sensor (TES) bolometers for the South Pole Telescope third-generation CMB receiver (SPT-3G). The complete SPT-3G receiver will have 2690 pixels, each with six detectors, allowing for individual measurement of three spectral bands (centered at 95 GHz, 150 GHz and 220 GHz) in two orthogonal polarizations. In total, the SPT-3G focal plane will have 16140 detectors. Each pixel is comprised of a broad-band sinuous antenna coupled to a niobium microstrip transmission line. In-line filters are used to define the different band-passes before the millimeter-wavelength signal is fed to the respective Ti/Au TES sensors. Detectors are read out using a 64x frequency domain multiplexing (fMux) scheme. The microfabrication of the SPT-3G detector arrays involves a total of 18 processes, including 13 lithography steps. Together with the fabrication process, the effect of processing on the Ti/Au TES’s Tc is discussed. In addition, detectors fabricated with Ti/Au TES films with Tc between 400 mK 560 mK are presented and their thermal characteristics are evaluated. Optical characterization of the arrays is presented as well, indicating that the response of the detectors is in good agreement with the design values for all three spectral bands (95 GHz, 150 GHz, and 220 GHz). The measured optical efficiency of the detectors is between 0.3 and 0.8. Results discussed here are extracted from a batch of research of development wafers used to develop the baseline process for the fabrication of the arrays of detectors to be deployed with the SPT-3G receiver. Results from these research and development wafers have been incorporated into the fabrication process to get the baseline fabrication process presented here. SPT-3G is scheduled to deploy to the South Pole Telescope in late 2016.

Proceedings Article | 23 July 2014 Paper

SPT-3G: a next-generation cosmic microwave background polarization experiment on the South Pole telescope

B. Benson, P. A. Ade, Z. Ahmed, S. Allen, K. Arnold, J. Austermann, A. Bender, L. Bleem, J. Carlstrom, C. Chang, H. Cho, J. Cliche, T. Crawford, A. Cukierman, T. de Haan, M. Dobbs, D. Dutcher, W. Everett, A. Gilbert, N. Halverson, D. Hanson, N. Harrington, K. Hattori, J. Henning, G. Hilton, G. Holder, W. Holzapfel, K. Irwin, R. Keisler, L. Knox, D. Kubik, C. Kuo, A. Lee, E. Leitch, D. Li, M. McDonald, S. Meyer, J. Montgomery, M. Myers, T. Natoli, H. Nguyen, V. Novosad, S. Padin, Z. Pan, J. Pearson, C. Reichardt, J. Ruhl, B. Saliwanchik, G. Simard, G. Smecher, J. Sayre, E. Shirokoff, A. Stark, K. Story, A. Suzuki, K. Thompson, C. Tucker, K. Vanderlinde, J. Vieira, A. Vikhlinin, G. Wang, V. Yefremenko, K. Yoon

Proceedings Volume 9153, 91531P (2014) https://doi.org/10.1117/12.2057305

KEYWORDS: Polarization, Sensors, Telescopes, Physics, Receivers, Galaxy groups and clusters, Antennas, Signal detection, Signal to noise ratio, Bolometers

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Proceedings Article | 5 October 2012 Paper

Feedhorn-coupled TES polarimeter camera modules at 150 GHz for CMB polarization measurements with SPTpol

J. Henning, P. Ade, K. Aird, J. Austermann, J. Beall, D. Becker, B. Benson, L. Bleem, J. Britton, J. Carlstrom, C. Chang, H.-M. Cho, T. Crawford, A. Crites, A. Datesman, T. de Haan, M Dobbs, W. Everett, A. Ewall-Wice, E. George, N. Halverson, N. Harrington, G. Hilton, W. Holzapfel, J. Hubmayr, K. Irwin, M. Karfunkle, R. Keisler, J. Kennedy, A. Lee, E. Leitch, D. Li, M. Lueker, D. Marrone, J. McMahon, J. Mehl, S. Meyer, J. Montgomery, T. Montroy, J. Nagy, T. Natoli, J. Nibarger, M. Niemack, V. Novosad, S. Padin, C. Pryke, C. Reichardt, J. Ruhl, B. Saliwanchik, J. Sayre, K. Schaffer, E. Shirokoff, K. Story, C. Tucker, K. Vanderlinde, J. Vieira, G. Wang, R. Williamson, V. Yefremenko, K. Yoon, E. Young

Proceedings Volume 8452, 84523A (2012) https://doi.org/10.1117/12.927172

KEYWORDS: Sensors, Silicon, Semiconducting wafers, Detector arrays, Cameras, Polarization, Copper, Polarimetry, Waveguides, Superconductors

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Proceedings Article | 5 October 2012 Paper

Design and characterization of 90 GHz feedhorn-coupled TES polarimeter pixels in the SPTpol camera

J. Sayre, P. Ade, K. Aird, J. Austermann, J. Beall, D. Becker, B. Benson, L. Bleem, J. Britton, J. Carlstrom, C. Chang, H.-M. Cho, T. Crawford, A. Crites, A. Datesman, T. de Haan, M. Dobbs, W. Everett, A. Ewall-Wice, E. George, N. Halverson, N. Harrington, J. Henning, G. Hilton, W. Holzapfel, J. Hubmayr, K. Irwin, M. Karfunkle, R. Keisler, J. Kennedy, A. Lee, E. Leitch, D. Li, M. Lueker, D. Marrone, J. McMahon, J. Mehl, S. Meyer, J. Montgomery, T. Montroy, J. Nagy, T. Natoli, J. Nibarger, M. Niemack, V. Novosad, S. Padin, C. Pryke, C. Reichardt, J. Ruhl, B. Saliwanchik, K. Schaffer, E. Shirokoff, K. Story, C. Tucker, K. Vanderlinde, J. Vieira, G. Wang, R. Williamson, V. Yefremenko, K. Yoon, E. Young

Proceedings Volume 8452, 845239 (2012) https://doi.org/10.1117/12.927035

KEYWORDS: Sensors, Polarization, Waveguides, Signal detection, Niobium, Cameras, Telescopes, Thermography, Modulation, Polarimetry

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Proceedings Article | 27 September 2012 Paper

SPTpol: an instrument for CMB polarization measurements with the South Pole Telescope

J. Austermann, K. Aird, J. Beall, D. Becker, A. Bender, B. Benson, L. Bleem, J. Britton, J. Carlstrom, C. Chang, H. Chiang, H.-M. Cho, T. Crawford, A. Crites, A. Datesman, T. de Haan, M. Dobbs, E. George, N. Halverson, N. Harrington, J. Henning, G. Hilton, G. Holder, W. Holzapfel, S. Hoover, N. Huang, J. Hubmayr, K. Irwin, R. Keisler, J. Kennedy, L. Knox, A. Lee, E. Leitch, D. Li, M. Lueker, D. Marrone, J. McMahon, J. Mehl, S. Meyer, T. Montroy, T. Natoli, J. Nibarger, M. Niemack, V. Novosad, S. Padin, C. Pryke, C. Reichardt, J. Ruhl, B. Saliwanchik, J. Sayre, K. Schaffer, E. Shirokoff, A. Stark, K. Story, K. Vanderlinde, J. Vieira, G. Wang, R. Williamson, V. Yefremenko, K. Yoon, O. Zahn

Proceedings Volume 8452, 84521E (2012) https://doi.org/10.1117/12.927286

KEYWORDS: Polarization, Sensors, Telescopes, Electroluminescent displays, Calibration, Anisotropy, Bolometers, Polarimetry, Cameras, Galactic astronomy

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Proceedings Article | 24 September 2012 Paper

Performance and on-sky optical characterization of the SPTpol instrument

E. George, P. Ade, K. Aird, J. Austermann, J. Beall, D. Becker, A. Bender, B. Benson, L. Bleem, J. Britton, J. Carlstrom, C. Chang, H. Chiang, H.-M. Cho, T. Crawford, A. Crites, A. Datesman, T. de Haan, M. Dobbs, W. Everett, A. Ewall-Wice, N. Halverson, N. Harrington, J. Henning, G. Hilton, W. Holzapfel, S. Hoover, N. Huang, J. Hubmayr, K. Irwin, M. Karfunkle, R. Keisler, J. Kennedy, A. Lee, E. Leitch, D. Li, M. Lueker, D. Marrone, J. McMahon, J. Mehl, S. Meyer, J. Montgomery, T. Montroy, J. Nagy, T. Natoli, J. Nibarger, M. Niemack, V. Novosad, S. Padin, C. Pryke, C. Reichardt, J. Ruhl, B. Saliwanchik, J. Sayre, K. Schaffer, E. Shirokoff, K. Story, C. Tucker, K. Vanderlinde, J. Vieira, G. Wang, R. Williamson, V. Yefremenko, K. Yoon, E. Young

Proceedings Volume 8452, 84521F (2012) https://doi.org/10.1117/12.925586

KEYWORDS: Sensors, Bolometers, Polarization, Telescopes, Calibration, Mirrors, Receivers, Thermography, Superconductors, Picosecond phenomena

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Proceedings Article | 24 September 2012 Paper

South Pole Telescope software systems: control, monitoring, and data acquisition

K. Story, E. Leitch, P. Ade, K. Aird, J. Austermann, J. Beall, D. Becker, A. Bender, B. Benson, L. Bleem, J. Britton, J. Carlstrom, C. Chang, H. Chiang, H-M. Cho, T. Crawford, A. Crites, A. Datesman, T. de Haan, M. Dobbs, W. Everett, A. Ewall-Wice, E. George, N. Halverson, N. Harrington, J. Henning, G. Hilton, W. Holzapfel, S. Hoover, N. Huang, J. Hubmayr, K. Irwin, M. Karfunkle, R. Keisler, J. Kennedy, A. Lee, D. Li, M. Lueker, D. Marrone, J. McMahon, J. Mehl, S. Meyer, J. Montgomery, T. Montroy, J. Nagy, T. Natoli, J. Nibarger, M. Niemack, V. Novosad, S. Padin, C. Pryke, C. Reichardt, J. Ruhl, B. Saliwanchik, J. Sayre, K. Schaffer, E. Shirokoff, G. Smecher, B. Stalder, C. Tucker, K. Vanderlinde, J. Vieira, G. Wang, R. Williamson, V. Yefremenko, K. Yoon, E. Young

Proceedings Volume 8451, 84510T (2012) https://doi.org/10.1117/12.925808

KEYWORDS: Control systems, Sensors, Telescopes, Data archive systems, Antennas, Human-machine interfaces, Bolometers, Data acquisition, Detection and tracking algorithms, Data storage

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