Dr. Oliver B. Jeong Profile

Dr. Oliver B. Jeong

at Univ of California Berkeley

SPIE Involvement:

Author

Publications (17)

SPIE Journal Paper | 27 January 2024 Open Access

Design and performance of a gain calibration system for the POLARBEAR-2a receiver system at the Simons Array cosmic microwave background experiment

Daisuke Kaneko, Sayuri Takatori, Masaya Hasegawa, Masashi Hazumi, Yuki Inoue, Oliver Jeong, Nobuhiko Katayama, Adrian Lee, Frederick Matsuda, Haruki Nishino, Praween Siritanasak, Aritoki Suzuki, Satoru Takakura, Takayuki Tomaru

JATIS, Vol. 10, Issue 01, 018003, (January 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.1.018003

KEYWORDS: Calibration, Scanning tunneling microscopy, Sensors, Polarization, Design, Bolometers, Modulation frequency, Telescopes, Planets, Sensor calibration

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Proceedings Article | 29 August 2022 Poster

Broadband plasma sprayed anti-reflection coating of the POLARBEAR-2b alumina refractive elements

Oliver Jeong

Proceedings Volume PC12190, PC121901I (2022) https://doi.org/10.1117/12.2629088

KEYWORDS: Antireflective coatings, Receivers, Optical coatings, Ceramics, Signal attenuation, Sensors, Robotics, Reflection, Optical components, Plasma

SPIE Journal Paper | 8 January 2022

Performance and characterization of the SPT-3G digital frequency-domain multiplexed readout system using an improved noise and crosstalk model

Joshua Montgomery, Peter A. Ade, Zeeshan Ahmed, Ethan Anderes, Adam Anderson, Melanie Archipley, Jessica Avva, Kevin Aylor, Lennart Balkenhol, Peter Barry, Ritoban Thakur, Karim Benabed, Amy Bender, Bradford Benson, Federico Bianchini, Lindsey Bleem, Francois Bouchet, Lincoln Bryant, Karen Byrum, John Carlstrom, Faustin Carter, Thomas Cecil, Clarence Chang, Prakrut Chaubal, Geoffrey Chen, Hsiao-Mei Cho, Ti-Lin Chou, Jean-Francois Cliche, Tom Crawford, Ari Cukierman, Cali Daley, Tijmen de Haan, Edward Denison, Karia Dibert, Junjia Ding, Matthew Adam Dobbs, Daniel Dutcher, Tucker Elleflot, Wendeline Everett, Cahng Feng, Kyle R. Ferguson, Allen Foster, Jianyang Fu, Silvia Galli, Anne Gambrel, Robert Gardner, Neil Goeckner-Wald, John Groh, Riccardo Gualtieri, Sam Guns, Nikhel Gupta, Robert Guyser, Nils Halverson, Angelina Harke-Hosemann, Nicholas Harrington, Jason Henning, Gene Hilton, Eric Hivon, William Holzapfel, John Hood, Doug Howe, Nicholas Huang, Kent Irwin, Oliver Jeong, Michelle Jonas, Adam Jones, Trupti Khaire, Lloyd Knox, Anna Kofman, Milo Korman, Donna Kubik, Stephen Kuhlmann, Chao-Lin Kuo, Adrian Lee, Erik Leitch, Amy Lowitz, Chunyu Lu, Stephan Meyer, Daniel Michalik, Marius Millea, Andrew Nadolski, Tyler Natoli, Hogan Nguyen, Gavin Noble, Valentine Novosad, Yuuki Omori, Steve Padin, Zhaodi Pan, Pascal Paschos, John Pearson, Chrystian Posada, Karthik Prabhu, Wei Quan, Alexandra Rahlin, Christian Reichardt, David Riebel, Benedikt Riedel, Maclean Rouble, John Ruhl, James Sayre, Eduardo Schiappucci, Erik Shirokoff, Graeme Smecher, Joshua Sobrin, Antony Stark, Judith Stephen, Kyle Story, Aritoki Suzuki, Keith Thompson, Ben Thorne, Carole Tucker, Caterina Umilta, Leila Vale, Keith Vanderlinde, Joaquin Vieira, Gensheng Wang, Nathan Whitehorn, Wai Ling Wu, Volodymyr Yefremenko, Ki Won Yoon, Matthew Young

JATIS, Vol. 8, Issue 01, 014001, (January 2022) https://doi.org/10.1117/12.10.1117/1.JATIS.8.1.014001

KEYWORDS: Sensors, Multiplexing, Cryogenics, Interference (communication), Resistance, Physics, Systems modeling, Receivers, Performance modeling, Nulling interferometry

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Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Detector and readout characterization for POLARBEAR-2b

J. Ito, L. Lowry, T. Elleflot, K. Crowley, L. Howe, P. Siritanasak, T. Adkins, K. Arnold, C. Baccigalupi, D. Barron, B. Bixler, Y. Chinone, J. Groh, M. Hazumi, C. Hill, O. Jeong, B. Keating, A. Kusaka, A. Lee, K. Mitchell, M. Navaroli, A. T. Pham, C. Raum, C. Reichardt, T. Sasse, J. Seibert, A. Suzuki, S. Takakura, G. Teply, C. Tsai, B. Westbrook

Proceedings Volume 11453, 1145320 (2020) https://doi.org/10.1117/12.2562766

KEYWORDS: Sensors, Bolometers, Multiplexing, Resonators, Telescopes, Polarization, Microwave radiation, Receivers, Silicon, Lenses

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Proceedings Article | 9 September 2019 Presentation

Broadband plasma sprayed ceramic anti-reflection coating for millimeter-wave astrophysics (Conference Presentation)

Oliver Jeong, Richard Plambeck, Aritoki Suzuki, Adrian Lee

Proceedings Volume 11116, 111160M (2019) https://doi.org/10.1117/12.2528358

KEYWORDS: Ceramics, Antireflective coatings, Dielectrics, Coating, Plasma, Astrophysics, Plasma astrophysics, Cryogenics, Plasma systems, Polarimetry

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Proceedings Article | 24 August 2018 Presentation + Paper

Design and characterization of the SPT-3G receiver

J. Sobrin, P. A. Ade, Z. Ahmed, A. Anderson, J. Avva, R. Basu Thakur, A. Bender, B. Benson, J. Carlstrom, F. Carter, T. Cecil, C. Chang, J. F. Cliche, A. Cukierman, T. de Haan, J. Ding, M. A. Dobbs, D. Dutcher, W. Everett, A. Foster, J. Gallichio, A. Gilbert, J. Groh, S. Guns, N. Halverson, A. Harke-Hosemann, N. Harrington, J. Henning, W. Holzapfel, N. Huang, K. Irwin, O. Jeong, M. Jonas, T. Khaire, A. Kofman, M. Korman, D. Kubik, S. Kuhlmann, C. L. Kuo, A. Lee, A. Lowitz, S. Meyer, D. Michalik, J. Montgomery, A. Nadolski, T. Natoli, H. Nguyen, G. Noble, V. Novosad, S. Padin, Z. Pan, J. Pearson, C. Posada, W. Quan, A. Rahlin, J. Ruhl, J. Sayre, E. Shirokoff, G. Smecher, A. Stark, K. Story, A. Suzuki, K. Thompson, C. Tucker, K. Vanderlinde, J. Vieira, G. Wang, N. Whitehorn, V. Yefremenko, K. W. Yoon, M. Young

Proceedings Volume 10708, 107081H (2018) https://doi.org/10.1117/12.2314366

KEYWORDS: Sensors, Receivers, Cryogenics, Physics, Thermography, Telescopes, Detector arrays, Lenses, Copper, Astronomy

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Proceedings Article | 1 August 2018 Paper

Year two instrument status of the SPT-3G cosmic microwave background receiver

A. Bender, P. A. Ade, Z. Ahmed, A. Anderson, J. Avva, K. Aylor, P. Barry, R. Basu Thakur, B. Benson, L. Bleem, S. Bocquet, K. Byrum, J. Carlstrom, F. Carter, T. Cecil, C. Chang, H.-M. Cho, J. F. Cliche, T. Crawford, A. Cukierman, T. de Haan, E. Denison, J. Ding, M. A. Dobbs, S. Dodelson, D. Dutcher, W. Everett, A. Foster, J. Gallicchio, A. Gilbert, J. Groh, S. Guns, N. Halverson, A. Harke-Hosemann, N. Harrington, J. Henning, G. Hilton, G. Holder, W. Holzapfel, N. Huang, K. Irwin, O. Jeong, M. Jonas, A. Jones, T. Khaire, L. Knox, A. Kofman, M. Korman, D. Kubik, S. Kuhlmann, C.-L. Kuo, A. Lee, E. Leitch, A. Lowitz, S. Meyer, D. Michalik, J. Montgomery, A. Nadolski, T. Natoli, H. Ngyuen, G. Noble, V. Novosad, S. Padin, Z. Pan, J. Pearson, C. Posada, W. Quan, S. Raghunathan, A. Rahlin, C. Reichardt, J. Ruhl, J. Sayre, E. Shirokoff, G. Smecher, J. Sobrin, A. Stark, K. Story, A. Suzuki, K. Thompson, C. Tucker, L. Vale, K. Vanderlinde, J. Vieira, G. Wang, N. Whitehorn, W. L. Wu, V. Yefremenko, K. W. Yoon, M. Young

Proceedings Volume 10708, 1070803 (2018) https://doi.org/10.1117/12.2312426

KEYWORDS: Sensors, Receivers, Physics, Polarization, Microwave radiation, Bolometers, Telescopes, Astronomy, Electronics, Semiconducting wafers

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Proceedings Article | 31 July 2018 Presentation + Paper

The Simons Observatory: instrument overview

Nicholas Galitzki, Aamir Ali, Kam Arnold, Peter Ashton, Jason Austermann, Carlo Baccigalupi, Taylor Baildon, Darcy Barron, James Beall, Shawn Beckman, Sarah Marie Bruno, Sean Bryan, Paolo Calisse, Grace Chesmore, Yuji Chinone, Steve Choi, Gabriele Coppi, Kevin Crowley, Ari Cukierman, Mark Devlin, Simon Dicker, Bradley Dober, Shannon Duff, Jo Dunkley, Giulio Fabbian, Patricio Gallardo, Martina Gerbino, Neil Goeckner-Wald, Joseph Golec, Jon Gudmundsson, Erin Healy, Shawn Henderson, Charles Hill, Gene Hilton, Shuay-Pwu Patty Ho, Logan Howe, Johannes Hubmayr, Oliver Jeong, Brian Keating, Brian Koopman, Kenji Kiuchi, Akito Kusaka, Jacob Lashner, Adrian Lee, Yaqiong Li, Michele Limon, Marius Lungu, Frederick Matsuda, Philip Mauskopf, Andrew May, Nialh McCallum, Jeff McMahon, Federico Nati, Michael Niemack, John Orlowski-Scherer, Stephen Parshley, Lucio Piccirillo, Mayuri Sathyanarayana Rao, Christopher Raum, Maria Salatino, Joseph Seibert, Carlos Sierra, Max Silva-Feaver, Sara Simon, Suzanne Staggs, Jason Stevens, Aritoki Suzuki, Grant Teply, Robert Thornton, Calvin Tsai, Joel Ullom, Eve Vavagiakis, Michael Vissers, Benjamin Westbrook, Edward Wollack, Zhilei Xu, Ningfeng Zhu

Proceedings Volume 10708, 1070804 (2018) https://doi.org/10.1117/12.2312985

KEYWORDS: Sensors, Receivers, Telescopes, Cryogenics, Physics, Wafer-level optics, Semiconducting wafers, Lenses, Staring arrays, Observatories

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Proceedings Article | 31 July 2018 Paper

Characterization and performance of the second-year SPT-3G focal plane

D. Dutcher, P. A. Ade, Z. Ahmed, A. Anderson, J. Avva, R. Basu Thakur, A. Bender, B. Benson, J. Carlstrom, F. Carter, T. Cecil, C. Chang, J. Cliche, A. Cukierman, T. de Haan, J. Ding, M. Dobbs, W. Everett, A. Foster, J. Gallicchio, A. Gilbert, J. Groh, A. Harke-Hosemann, S. Guns, N. Halverson, N. Harrington, J. Henning, W. Holzapfel, N. Huang, K. Irwin, O. Jeong, M. Jonas, T. Khaire, A. Kofman, M. Korman, D. Kubik, S. Kuhlmann, C.-L. Kuo, A. Lowitz, A. Lee, S. Meyer, D. Michalik, J. Montgomery, A. Nadolski, T. Natoli, H. Nguyen, G. Noble, V. Novosad, S. Padin, Z. Pan, J. Pearson, C. Posada, W. Quan, A. Rahlin, J. Ruhl, J. Sayre, E. Shirokoff, G. Smecher, J. Sobrin, A. Stark, K. Story, A. Suzuki, K. Thompson, C. Tucker, K. Vanderlinde, J. Vieira, G. Wang, N. Whitehorn, V. Yefremenko, K. W. Yoon, M. Young

Proceedings Volume 10708, 107081Z (2018) https://doi.org/10.1117/12.2312451

KEYWORDS: Sensors, Bolometers, Semiconducting wafers, Telescopes, Resistance, Physics, Wafer-level optics, Polarization, Astronomy, Superconductors

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Proceedings Article | 10 July 2018 Presentation

POLARBEAR-2: a new CMB polarization receiver system for the Simons array (Conference Presentation)

Masaya Hasegawa, The POLARBEAR COLLABORATION, Peter Ade, Mario Aguilar, Yoshiki Akiba, Aamir Ali, Kam Arnold, Peter Ashton, Carlo Baccigalupi, Darcy Barron, Dominic Beck, Shawn Beckman, Amy Bender, Federico Bianchini, David Boettger, Julian Borrill, Julien Carron, Scott Chapman, Yuji Chinone, Gabriele Coppi, Kevin Crowley, Ari Cukierman, Matt Dobbs, Rolando Dunner, Tucker Elleflot, Josquin Errard, Giulio Fabbian, Stephen Feeney, Chang Feng, George Fuller, Nicholas Galitzki, Andrew Gilbert, Neil Goeckner-Wald, John Groh, Tijmen Haan, Nils Halverson, Takaho Hamada, Masashi Hazumi, Charles Hill, William Holzapfel, Logan Howe, Yuki Inoue, Jennifer Ito, Greg Jaehnig, Andrew Jaffe, Oliver Jeong, Maude Jeune, Daisuke Kaneko, Nobuhiko Katayama, Brian Keating, Reijo Keskitalo, Theodore Kisner, Nicoletta Krachmalnicoff, Akito Kusaka, Adrian Lee, David Leon, Eric Linder, Lindsay Lowry, Alex Madurowicz, Suet Mak, Frederick Matsuda, Tomotake Matsumura, Andrew May, Nathan Miller, Yuto Minami, Joshua Montgomery, Martin Navaroli, Haruki Nishino, Julien Peloton, Anh Pham, Lucio Piccirillo, Richard Plambeck, Davide Poletti, Giuseppe Puglisi, Christopher Raum, Gabriel Rebeiz, Christian Reichardt, Paul Richards, Hayley Roberts, Colin Ross, Kaja Rotermund Rotermund, Yuuko Segawa, Blake Sherwin, Maximiliano Silva-Feaver, Praween Siritanasak, Leo Steinmetz, Radek Stompor, Aritoki Suzuki, Osamu Tajima, Satoru Takakura, Sayuri Takatori, Daiki Tanabe, Raymond Tat, Grant Teply, Takayuki Tomaru, Calvin Tsai Tsai, Clara Verges, Ben Westbrook, Nathan Whitehorn, Alex Zahn, Junichi Suzuki, Takahiro Okamura

Proceedings Volume 10708, 1070802 (2018) https://doi.org/10.1117/12.2311576

KEYWORDS: Receivers, Polarization, Bolometers, Sensors, Multiplexing, Telescopes, Microwave radiation, Helium, Staring arrays, Superconductors

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POLARBEAR-2 is a new receiver system, which will be deployed on the Simons Array telescope platform, for the measurement of Cosmic Microwave Background (CMB) polarization. The science goals with POLARBEAR-2 are to characterize the B-mode signal both at degree and sub-degree angular-scales. The degree-scale polarization data can be used for quantitative studies on inflation, such as the reconstruction of the energy scale of inflation. The sub-degree polarization data is an excellent tracer of large-scale structure in the universe, and will lead to precise constraints on the sum of the neutrino masses. In order to achieve these goals, POLARBEAR-2 employs 7588 polarization-sensitive antenna-coupled transition-edge sensor (TES) bolometers on the focal plane cooled to 0.27K with a three-stage Helium sorption refrigerator, which is ~6 times larger array over the current receiver system. The large TES bolometer array is read-out by an upgraded digital frequency-domain multiplexing system capable of multiplexing 40 bolometers through a single superconducting quantum interference device (SQUID). The first POLARBEAR-2 receiver, POLARBEAR-2A is constructed and the end-to-end testing to evaluate the integrated performance of detector, readout, and optics system is being conducted in the laboratory with various types of test equipments. The POLARBEAR-2A is scheduled to be deployed in 2018 at the Atacama desert in Chile. To further increase measurement sensitivity, two more POLARBEAR-2 type receivers will be deployed soon after the deployment (Simons Array project). The Simons Array will cover four frequency bands at 95GHz, 150GHz, 220GH and 270GHz for better control of the foreground signal. The projected constraints on a tensor-to-scalar ratio (amplitude of inflationary B-mode signal) is σ(r=0.1) = $6.0 \times 10^{-3}$ after foreground removal ($4.0 \times 10^{-3}$ (stat.)), and the sensitivity to the sum of the neutrino masses when combined with DESI spectroscopic galaxy survey data is 40 meV at 1-sigma after foreground removal (19 meV(stat.)). We will present an overview of the design, assembly and status of the laboratory testing of the POLARBEAR-2A receiver system as well as the Simons Array project overview.

Proceedings Article | 10 July 2018 Presentation

Electrical characterization and tuning of the integrated POLARBEAR-2a focal plane and readout (Conference Presentation)

Darcy Barron, Kam Arnold, Tucker Elleflot, John Groh, Daisuke Kaneko, Nobuhiko Katayama, Adrian Lee, Lindsay Lowry, Haruki Nishino, Aritoki Suzuki, Sayuri Takatori, P. Ade, Y. Akiba, A. Ali, M. Aguilar, A. Anderson, P. Ashton, J. Avva, D. Beck, C. Baccigalupi, S. Beckman, A. Bender, F. Bianchini, D. Boettger, J. Borrill, J. Carron, S. Chapman, Y. Chinone, G. Coppi, K. Crowley, A. Cukierman, T. de Haan, M. Dobbs, R. Dunner, J. Errard, G. Fabbian, S. Feeney, C. Feng, G. Fuller, N. Galitzki, A. Gilbert, N. Goeckner-Wald, T. Hamada, N. Halverson, M. Hasegawa, M. Hazumi, C. Hill, W. Holzapfel, L. Howe, Y. Inoue, J. Ito, G. Jaehnig, O. Jeong, B. Keating, R. Keskitalo, T. Kisner, N. Krachmalnicoff, A. Kusaka, M. Le Jeune, D. Leon, E. Linder, A. Lowitz, A. Madurowicz, D. Mak, F. Matsuda, T. Matsumura, A. May, N. Miller, Y. Minami, J. Montgomery, T. Natoli, M. Navroli, J. Peloton, A. Pham, L. Piccirillo, D. Plambeck, D. Poletti, G. Puglisi, C. Raum, G. Rebeiz, C. Reichardt, P. Richards, H. Roberts, C. Ross, K. Rotermund, Max Silva Feaver, Y. Segawa, B. Sherwin, P. Siritanasak, L. Steinmetz, R. Stompor, O. Tajima, S. Takakura, D. Tanabe, R. Tat, G. Teply, A. Tikhomirov, T. Tomaru, C. Tsai, C. Verges, B. Westbrook, N. Whitehorn, A. Zahn

Proceedings Volume 10708, 1070808 (2018) https://doi.org/10.1117/12.2311502

KEYWORDS: Bolometers, Polarization, Sensors, Receivers, Microwave radiation, Telescopes, Frequency division multiplexing, Aluminum, Capacitors, Circuit switching

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POLARBEAR is a cosmic microwave background (CMB) polarization experiment located in the Atacama desert in Chile. The science goals of the POLARBEAR project are to do a deep search for CMB B-mode polarization created by inflationary gravitational waves, as well as characterize the CMB B-mode signal from gravitational lensing. POLARBEAR-1 started observations in 2012, and the POLARBEAR team has published a series of results from its first two seasons of observations, including the first measurement of a non-zero B-mode polarization angular power spectrum, measured at sub-degree scales where the dominant signal is gravitational lensing of the CMB. The Simons Array expands POLARBEAR to include an additional two telescopes with next-generation POLARBEAR-2 multi-chroic receivers, observing at 95, 150, 220, and 270 GHz. The POLARBEAR-2A focal plane has 7,588 transition-edge sensor bolometers, read out with frequency-division multiplexing, with 40 frequency channels within the readout bandwidth of 1.5 to 4.5 MHz. The frequency channels are defined by a low-loss lithographed aluminum spiral inductor and interdigitated capacitor in series with each bolometer, creating a resonant frequency for each channel's unique voltage bias and current readout. Characterization of the readout includes measuring resonant peak locations and heights and fitting to a circuit model both above and below the bolometer superconducting transition temperature. This information is used determine the optimal detector bias frequencies and characterize stray impedances which may affect bolometer operation and stability. The detector electrical characterization includes measurements of the transition properties by sweeping in temperature and in voltage bias, measurements of the bolometer saturation power, as well as measuring and removing any biases introduced by the readout circuit. We present results from the characterization, tuning, and operation of the fully integrated focal plane and readout for the first POLARBEAR-2 receiver, POLARBEAR-2A, during its pre-deployment integration run.

Proceedings Article | 9 July 2018 Paper

Broadband anti-reflective coatings for cosmic microwave background experiments

A. Nadolski, A. Kofman, J. Vieira, P. A. Ade, Z. Ahmed, A. Anderson, J. Avva, R. Basu Thakur, A. Bender, B. Benson, J. Carlstrom, F. Carter, T. Cecil, C. Chang, J. F. Cliche, A. Cukierman, T. de Haan, J. Ding, M. A. Dobbs, D. Dutcher, W. Everett, A. Foster, J. Fu, J. Gallichio, A. Gilbert, J. Groh, S. Guns, R. Guyser, N. Halverson, A. Harke-Hosemann, N. Harrington, J. Henning, W. Holzapfel, N. Huang, K. Irwin, O. Jeong, M. Jonas, A. Jones, T. Khaire, M. Korman, D. Kubik, S. Kuhlmann, C.-L. Kuo, A. Lee, A. Lowitz, S. Meyer, D. Michalik, J. Montgomery, T. Natoli, H. Nguyen, G. Noble, V. Novosad, S. Padin, Z. Pan, J. Pearson, C. Posada, W. Quan, A. Rahlin, J. Ruhl, J. Sayre, E. Shirokoff, G. Smecher, J. Sobrin, A. Stark, K. Story, A. Suzuki, K. Thompson, C. Tucker, K. Vanderlinde, G. Wang, N. Whitehorn, V. Yefremenko, K. W. Yoon, M. Young

Proceedings Volume 10708, 1070843 (2018) https://doi.org/10.1117/12.2315674

KEYWORDS: Coating, Antireflective coatings, Refractive index, Sensors, Physics, Lenses, Optical components

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Proceedings Article | 8 August 2016 Paper

POLARBEAR-2: an instrument for CMB polarization measurements

Y. Inoue, P. Ade, Y. Akiba, C. Aleman, K. Arnold, C. Baccigalupi, B. Barch, D. Barron, A. Bender, D. Boettger, J. Borrill, S. Chapman, Y. Chinone, A. Cukierman, T. de Haan, M. Dobbs, A. Ducout, R. Dünner, T. Elleflot, J. Errard, G. Fabbian, S. Feeney, C. Feng, G. Fuller, A. Gilbert, N. Goeckner-Wald, J. Groh, G. Hall, N. Halverson, T. Hamada, M. Hasegawa, K. Hattori, M. Hazumi, C. Hill, W. Holzapfel, Y. Hori, L. Howe, F. Irie, G. Jaehnig, A. Jaffe, O. Jeong, N. Katayama, J. Kaufman, K. Kazemzadeh, B. Keating, Z. Kermish, R. Keskitalo, T. Kisner, A. Kusaka, M. Le Jeune, A. Lee, D. Leon, E. Linder, L. Lowry, F. Matsuda, T. Matsumura, N. Miller, K. Mizukami, J. Montgomery, M. Navaroli, H. Nishino, H. Paar, J. Peloton, D. Poletti, G. Puglisi, C. Raum, G. Rebeiz, C. Reichardt, P. Richards, C. Ross, K. Rotermund, Y. Segawa, B. Sherwin, I. Shirley, P. Siritanasak, N. Stebor, R. Stompor, J. Suzuki, A. Suzuki, O. Tajima, S. Takada, S. Takatori, G. Teply, A. Tikhomirov, T. Tomaru, N. Whitehorn, A. Zahn, O. Zahn

Proceedings Volume 9914, 99141I (2016) https://doi.org/10.1117/12.2231961

KEYWORDS: Signal detection, Sensors, Polarization, Bolometers, Receivers, Lenses, Optical filters, Physics, Optical filtering, Mirrors

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Proceedings Article | 29 July 2016 Paper

LiteBIRD: lite satellite for the study of B-mode polarization and inflation from cosmic microwave background radiation detection

H. Ishino, Y. Akiba, K. Arnold, D. Barron, J. Borrill, R. Chendra, Y. Chinone, S. Cho, A. Cukierman, T. de Haan, M. Dobbs, A. Dominjon, T. Dotani, T. Elleflot, J. Errard, T. Fujino, H. Fuke, T. Funaki, N. Goeckner-Wald, N. Halverson, P. Harvey, T. Hasebe, M. Hasegawa, K. Hattori, M. Hattori, M. Hazumi, N. Hidehira, C. Hill, G. Hilton, W. Holzapfel, Y. Hori, J. Hubmayr, K. Ichiki, H. Imada, J. Inatani, M. Inoue, Y. Inoue, F. Irie, K. Irwin, H. Ishitsuka, O. Jeong, H. Kanai, K. Karatsu, S. Kashima, N. Katayama, I. Kawano, T. Kawasaki, B. Keating, S. Kernasovskiy, R. Keskitalo, A. Kibayashi, Y. Kida, N. Kimura, K. Kimura, T. Kisner, K. Kohri, E. Komatsu, K. Komatsu, C.-L. Kuo, S. Kuromiya, A. Kusaka, A. Lee, D. Li, E. Linder, M. Maki, H. Matsuhara, T. Matsumura, S. Matsuoka, S. Matsuura, S. Mima, Y. Minami, K. Mitsuda, M. Nagai, T. Nagasaki, R. Nagata, M. Nakajima, S. Nakamura, T. Namikawa, M. Naruse, T. Nishibori, K. Nishijo, H. Nishino, A. Noda, T. Noguchi, H. Ogawa, W. Ogburn, S. Oguri, I. Ohta, N. Okada, A. Okamoto, T. Okamura, C. Otani, G. Pisano, G. Rebeiz, P. Richards, S. Sakai, Y. Sakurai, Y. Sato, N. Sato, Y. Segawa, S. Sekiguchi, Y. Sekimoto, M. Sekine, U. Seljak, B. Sherwin, T. Shimizu, K. Shinozaki, S. Shu, R. Stompor, H. Sugai, H. Sugita, J. Suzuki, T. Suzuki, A. Suzuki, O. Tajima, S. Takada, S. Takakura, K. Takano, S. Takatori, Y. Takei, D. Tanabe, T. Tomaru, N. Tomita, P. Turin, S. Uozumi, S. Utsunomiya, Y. Uzawa, T. Wada, H. Watanabe, B. Westbrook, N. Whitehorn, Y. Yamada, R. Yamamoto, N. Yamasaki, T. Yamashita, T. Yoshida, M. Yoshida, K. Yotsumoto

Proceedings Volume 9904, 99040X (2016) https://doi.org/10.1117/12.2231995

KEYWORDS: Telescopes, Satellites, Microwave radiation, Polarization, Sensors, Space telescopes, Space operations, Detector arrays, Mirrors, Bolometers

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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 | 20 July 2016 Paper

The Simons Array CMB polarization experiment

N. Stebor, P. Ade, Y. Akiba, C. Aleman, K. Arnold, C. Baccigalupi, B. Barch, D. Barron, S. Beckman, A. Bender, D. Boettger, J. Borrill, S. Chapman, Y. Chinone, A. Cukierman, T. de Haan, M. Dobbs, A. Ducout, R. Dunner, T. Elleflot, J. Errard, G. Fabbian, S. Feeney, C. Feng, T. Fujino, G. Fuller, A. Gilbert, N. Goeckner-Wald, J. Groh, G. Hall, N. Halverson, T. Hamada, M. Hasegawa, K. Hattori, M. Hazumi, C. Hill, W. Holzapfel, Y. Hori, L. Howe, Y. Inoue, F. Irie, G. Jaehnig, A. Jaffe, O. Jeong, N. Katayama, J. Kaufman, K. Kazemzadeh, B. Keating, Z. Kermish, R. Keskitalo, T. Kisner, A. Kusaka, M. Le Jeune, A. Lee, D. Leon, E. Linder, L. Lowry, F. Matsuda, T. Matsumura, N. Miller, J. Montgomery, M. Navaroli, H. Nishino, H. Paar, J. Peloton, D. Poletti, G. Puglisi, C. Raum, G. Rebeiz, C. Reichardt, P. Richards, C. Ross, K. Rotermund, Y. Segawa, B. Sherwin, I. Shirley, P. Siritanasak, L. Steinmetz, R. Stompor, A. Suzuki, O. Tajima, S. Takada, S. Takatori, G. Teply, A. Tikhomirov, T. Tomaru, B. Westbrook, N. Whitehorn, A. Zahn, O. Zahn

Proceedings Volume 9914, 99141H (2016) https://doi.org/10.1117/12.2233103

KEYWORDS: Polarization, Polarization, Receivers, Bolometers, Cryogenics, Telescopes, Sensors, Physics, Detector arrays, Staring arrays, Astronomy

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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.

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