Ms. Samantha Walker Profile

Samantha Walker

Research Fellow at Univ of Colorado Boulder / NIST Boulder

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Author

Publications (9)

Proceedings Article | 31 August 2022 Poster + Paper

Simons Observatory focal-plane module: detector re-biasing with bias-step measurements

Yuhan Wang, Tanay Bhandarkar, Steve Choi, Kevin Crowley, Shannon Duff, Daniel Dutcher, John Groh, Kathleen Harrington, Erin Healy, Bradley Johnson, Jack Lashner, Yaqiong Li, Max Silva-Feaver, Rita Sonka, Suzanne Staggs, Samantha Walker, Kaiwen Zheng

Proceedings Volume 12190, 121901I (2022) https://doi.org/10.1117/12.2630135

KEYWORDS: Sensors, Semiconducting wafers, Bolometers, Telescopes, Superconductors, Resistors, Receivers, Copper, Tellurium, Physics

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Proceedings Article | 29 August 2022 Poster + Paper

The TolTEC camera: the citlali data reduction pipeline engine

Michael McCrackan, Zhiyuan Ma, Nat S. DeNigris, Caleigh Ryan, Kamal Souccar, Grant W. Wilson, Itziar Aretxaga, Akanksha Bij, Laura Fissel, Joseph E. Golec, Robert Gutermuth, Dennis Lee, Giles Novak, Felix Thiel, Samantha Walker, Javier Zaragoza-Cardiel

Proceedings Volume 12189, 121891H (2022) https://doi.org/10.1117/12.2629095

KEYWORDS: Sensors, Calibration, Telescopes, Data modeling, Detection and tracking algorithms, Data processing, Cameras, Atmospheric sensing, Astronomy

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Proceedings Article | 26 August 2022 Presentation

The TolTEC Camera: Calibration and On-site Performance at the Large Millimeter Telescope

Nat DeNigris, Peter Ade, Jason Austermann, Itziar Aretxaga, Sean Bryan, Reid Contente, Daniel Ferrusca, Laura Fissel, Jiansong Gao, Joseph Golec, Arturo Gómez, Sam Gordon, Robert Gutermuth, Gene Hilton, Mohsen Hosseini, Johannes Hubmayr, David Hughes, Stephen Kuczarski, Dennis Lee, Emily Lunde, Zhiyuan Ma, Emily Martsen, Philip Mauskopf, Michael McCrackan, Jeffrey McMahon, Giles Novak, Giampaolo Pisano, Alexandra Pope, Iván Rodríguez Montoya, Caleigh Ryan, David Sánchez-Argüelles, F. Peter Schloerb, Sara Simon, Adrian Sinclair, Jack Slater, Kamal Souccar, Ana Torres Campos, Carole Tucker, Eric Van Camp, Samantha Walker, Grant Wilson, Eric Weeks, Min Yun

Proceedings Volume PC12190, PC1219002 (2022) https://doi.org/10.1117/12.2630125

KEYWORDS: Cameras, Telescopes, Calibration, Sensors, Target detection, Polarization, Polarimetry, Inductance

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Proceedings Article | 22 January 2021 Poster + Paper

Measurements of AlMn TES bolometers well described by simple electrothermal model

Samantha Walker, Jason Austermann, James Beall, Bradley Dober, Shannon Duff, Gene Hilton, Johannes Hubmayr, Joel Ullom, Jeffrey Van Lanen, Michael Vissers

Proceedings Volume 11453, 1145326 (2021) https://doi.org/10.1117/12.2576274

KEYWORDS: Bolometers, Sensors, Resistance, Radon, Polarization, Measurement devices, Instrument modeling, Temperature metrology, Telescopes, Technetium

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Proceedings Article | 22 December 2020 Poster + Paper

The design of the Ali CMB Polarization Telescope receiver

M. Salatino, J. Austermann, K. Thompson, P. A. Ade, X. Bai, J. Beall, D. Becker, Y. Cai, Z. Chang, D. Chen, J. Connors, P. Chen, B. Dober, J. Delabrouille, S. Duff, G. Gao, R. Givhan, S. Ghosh, G. Hilton, B. Hu, J. Hubmayr, E. Karpel, C.-L. Kuo, H. Li, M. Li, S.-Y. Li, X. Li, M. Link, Y. Li, H. Liu, L. Liu, Y. Liu, F. Lu, T. Lucas, X. Lu, J. A. Mates, J. Mathewson, P. Mauskopf, J. Meinke, J. Montana-Lopez, J. Shi, A. Sinclair, R. Stephenson, W. Sun, Y.‐H. Tseng, C. Tucker, J. Ullom, L. Vale, J. van Lanen, M. Vissers, S. Walker, B. Wang, G. Wang, J. Wang, E. Weeks, Di Wu, Y.-H. Wu, J. Xia, H. Xu, J. Yao, Y. Yao, K. W. Yoon, B. Yue, H. Zhai, A. Zhang, Laiyu Zhang, Le Zhang, P. Zhang, T. Zhang, Xinmin Zhang, Yifei Zhang, Yongjie Zhang, G.-B. Zhao, W. Zhao

Proceedings Volume 11453, 114532A (2020) https://doi.org/10.1117/12.2560709

KEYWORDS: Receivers, Telescopes, Alternate lighting of surfaces, Polarization, Optical instrument design, Sensors, Multiplexing, Staring arrays, Polarimetry, Refractor telescopes

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Proceedings Article | 18 December 2020 Poster + Presentation + Paper

Simons Observatory Small Aperture Telescope overview

Kenji Kiuchi, Shunsuke Adachi, Aamir Ali, Kam Arnold, Peter Ashton, Jason Austermann, Andrew Bazako, James Beall, Yuji Chinone, Gabriele Coppi, Kevin Crowley, Simon Dicker, Bradley Dober, Shannon Duff, Giulio Fabbian, Nicholas Galitzki, Joseph Golec, Jon Gudmundsson, Kathleen Harrington, Masaya Hasegawa, Makoto Hattori, Charles Hill, Shuay-Pwu Patty Ho, Johannes Hubmayr, Bradley Johnson, Daisuke Kaneko, Nobuhiko Katayama, Brian Keating, Akito Kusaka, Jack Lashner, Adrian Lee, Frederick Matsuda, Heather McCarrick, Masaaki Murata, Federico Nati, Yume Nishinomiya, Lyman Page, Mayuri Sathyanarayana Rao, Christian Reichardt, Kana Sakaguri, Yuki Sakurai, Joseph Sibert, Jacob Spisak, Osamu Tajima, Grant Teply, Tomoki Terasaki, Tran Tsan, Samantha Walker, Edward Wollack, Zhilei Xu, Kyohei Yamada, Mario Zannoni, Ningfeng Zhu

Proceedings Volume 11445, 114457L (2020) https://doi.org/10.1117/12.2562016

KEYWORDS: Telescopes, Observatories, Polarization, Cryogenics, Atmospheric optics, Microwave radiation, Sensors, Bolometers, Singular optics, Optical systems

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Proceedings Article | 14 December 2020 Presentation + Paper

The Simons Observatory: the Large Aperture Telescope Receiver (LATR) integration and validation results

Zhilei Xu, Tanay Bhandarkar, Gabriele Coppi, Anna Kofman, John Orlowski-Scherer, Ningfeng Zhu, Aamir Ali, Kam Arnold, Jason Austermann, Steve Choi, Jake Connors, Nicholas Cothard, Mark Devlin, Simon Dicker, Bradley Dober, Shannon Duff, Giulio Fabbian, Nicholas Galitzki, Saianeesh Haridas, Katheleen Harrington, Erin Healy, Shuay-Pwu Patty Ho, Johannes Hubmayr, Jeffrey Iuliano, Jack Lashner, Yaqiong Li, Michele Limon, Brian Koopman, Heather McCarrick, Jenna Moore, Federico Nati, Michael Niemack, Christian Reichardt, Karen Sarmiento, Joseph Seibert, Maximiliano Silva-Feaver, Rita Sonka, Suzanne Staggs, Robert Thornton, Eve Vavagiakis, Michael Vissers, Samantha Walker, Yuhan Wang, Edward Wollack, Kaiwen Zheng

Proceedings Volume 11453, 1145315 (2020) https://doi.org/10.1117/12.2576151

KEYWORDS: Observatories, Telescopes, Receivers, Tellurium, Cryogenics, Sensors, Optical instrument design, Optical alignment, Microwave radiation, Integrated optics

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Proceedings Article | 10 July 2018 Presentation

On-sky demonstration of the SuperSpec millimeter-wave spectrometer (Conference Presentation)

Kirit Karkare, Peter Barry, C. Matt Bradford, Scott Chapman, George Che, Jason Glenn, Sam Gordon, Steven Hailey-Dunsheath, Matthew Hollister, Attila Kovacs, Henry Leduc, Philip Mauskopf, Ryan McGeehan, Chris McKenney, Theodore Reck, Joseph Redford, Erik Shirokoff, Carole Tucker, Jordan Turner, Samantha Walker, Jordan Wheeler, Jonas Zmuidzinas

Proceedings Volume 10708, 107081R (2018) https://doi.org/10.1117/12.2313786

KEYWORDS: Spectroscopy, Telescopes, Galactic astronomy, Optical filters, Spectrometer engineering, Spectroscopes, Tin, Inductance, Sensors, Control systems

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Proceedings Article | 9 July 2018 Presentation + Paper

Prime-Cam: a first-light instrument for the CCAT-prime telescope

E. Vavagiakis, Z. Ahmed, A. Ali, K. Basu, N. Battaglia, F. Bertoldi, R. Bond, R. Bustos, S. Chapman, D. Chung, G. Coppi, N. Cothard, S. Dicker, C. Duell, S. Duff, J. Erler, M. Fich, N. Galitzki, P. Gallardo, S. Henderson, T. Herter, G. Hilton, J. Hubmayr, K. Irwin, B. Koopman, J. McMahon, N. Murray, M. Niemack, T. Nikola, M. Nolta, J. Orlowski-Scherer, S. Parshley, D. Riechers, K. Rossi, D. Scott, C. Sierra, M. Silva-Feaver, S. Simon, G. Stacey, J. Stevens, J. Ullom, M. Vissers, S. Walker, E. Wollack, Z. Xu, N. Zhu

Proceedings Volume 10708, 107081U (2018) https://doi.org/10.1117/12.2313868

KEYWORDS: Sensors, Telescopes, Spectroscopy, Receivers, Detector arrays, Silicon, Cryogenics, Polarization, Electronics, Physics

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Showing 5 of 9 publications

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