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Title: Characterizing the Sensitivity of 40 GHz TES Bolometers for BICEP Array

Abstract

The BICEP/Keck (BK) experiment aims to detect the imprint of primordial gravitational waves in the cosmic microwave background polarization, which would be direct evidence of the inflation theory. While the tensor-to-scalar ratio has been constrained to be $$r_{0.05}<0.06$$ at 95% c.l., further improvements on this upper limit are hindered by polarized galactic foreground emissions and removal of gravitational lensing polarization. The 30/40 GHz receiver of the BICEP Array (BA) will deploy at the end of 2019 and will constrain the synchrotron foreground with unprecedented accuracy within the BK sky patch. We will show the design of the 30/40 GHz detectors and test results summarizing its performance. The low optical and atmospheric loading at these frequencies requires our TES detectors to have low saturation power in order to be photon noise dominated. To realize the low thermal conductivity required from a 250 mK base temperature, we developed new bolometer leg designs. We will present the relevant measured detector parameters: $$G, T_c, R_n, P_{sat}$$, and spectral bands, and noise spectra. We achieved a per bolometer NEP including all noise components of 2.07×10-17W/$$\sqrt{Hz}$$, including an anticipated photon noise level 1.54×10-17W/$$\sqrt{Hz}$$.

Authors:
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Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
Contributing Org.:
The Keck Array and BICEP2 Collaborations
OSTI Identifier:
1608641
Grant/Contract Number:  
AC02-76SF00515; 06-ARPA206-0040; 10-SAT10-0017; 12-SAT12-0031; 14-SAT14-0009; 16-SAT16-0002.; 0742818; 0742592; 1044978; 1110087; 1145172; 1145143; 1145248; 1639040; 1638957; 1638978; 1638970; 1726917
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Low Temperature Physics
Additional Journal Information:
Journal Volume: 199; Journal Issue: 3-4; Journal ID: ISSN 0022-2291
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Zhang, C., Ade, P. A. R., Ahmed, Z., Amiri, M., Barkats, D., Thakur, R. Basu, Bischoff, C. A., Bock, J. J., Boenish, H., Bullock, E., Buza, V., Cheshire, J., Connors, J., Cornelison, J., Crumrine, M., Cukierman, A., Dierickx, M., Duband, L., Fatigoni, S., Filippini, J. P., Hall, G., Halpern, M., Harrison, S., Henderson, S., Hildebrandt, S. R., Hilton, G. C., Hui, H., Irwin, K. D., Kang, J., Karkare, K. S., Karpel, E., Kefeli, S., Kovac, J. M., Kuo, C. L., Lau, K., Megerian, K. G., Moncelsi, L., Namikawa, T., Nguyen, H. T., O’Brient, R., Palladino, S., Precup, N., Prouvé, T., Pryke, C., Racine, B., Reintsema, C. D., Richter, S., Schillaci, A., Schmitt, B., Schwarz, R., Sheehy, C. D., Soliman, A., Germaine, T. St., Steinbach, B., Sudiwala, R. V., Thompson, K. L., Tucker, C., Turner, A. D., Umiltà, C., Vieregg, A. G., Wandui, A., Weber, A. C., Wiebe, D. V., Willmert, J., Wu, W. L. K., Yang, E., Yoon, K. W., Young, E., and Yu, C. Characterizing the Sensitivity of 40 GHz TES Bolometers for BICEP Array. United States: N. p., 2020. Web. doi:10.1007/s10909-020-02411-8.
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Zhang, C., Ade, P. A. R., Ahmed, Z., Amiri, M., Barkats, D., Thakur, R. Basu, Bischoff, C. A., Bock, J. J., Boenish, H., Bullock, E., Buza, V., Cheshire, J., Connors, J., Cornelison, J., Crumrine, M., Cukierman, A., Dierickx, M., Duband, L., Fatigoni, S., Filippini, J. P., Hall, G., Halpern, M., Harrison, S., Henderson, S., Hildebrandt, S. R., Hilton, G. C., Hui, H., Irwin, K. D., Kang, J., Karkare, K. S., Karpel, E., Kefeli, S., Kovac, J. M., Kuo, C. L., Lau, K., Megerian, K. G., Moncelsi, L., Namikawa, T., Nguyen, H. T., O’Brient, R., Palladino, S., Precup, N., Prouvé, T., Pryke, C., Racine, B., Reintsema, C. D., Richter, S., Schillaci, A., Schmitt, B., Schwarz, R., Sheehy, C. D., Soliman, A., Germaine, T. St., Steinbach, B., Sudiwala, R. V., Thompson, K. L., Tucker, C., Turner, A. D., Umiltà, C., Vieregg, A. G., Wandui, A., Weber, A. C., Wiebe, D. V., Willmert, J., Wu, W. L. K., Yang, E., Yoon, K. W., Young, E., & Yu, C. Characterizing the Sensitivity of 40 GHz TES Bolometers for BICEP Array. United States. https://doi.org/10.1007/s10909-020-02411-8
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Zhang, C., Ade, P. A. R., Ahmed, Z., Amiri, M., Barkats, D., Thakur, R. Basu, Bischoff, C. A., Bock, J. J., Boenish, H., Bullock, E., Buza, V., Cheshire, J., Connors, J., Cornelison, J., Crumrine, M., Cukierman, A., Dierickx, M., Duband, L., Fatigoni, S., Filippini, J. P., Hall, G., Halpern, M., Harrison, S., Henderson, S., Hildebrandt, S. R., Hilton, G. C., Hui, H., Irwin, K. D., Kang, J., Karkare, K. S., Karpel, E., Kefeli, S., Kovac, J. M., Kuo, C. L., Lau, K., Megerian, K. G., Moncelsi, L., Namikawa, T., Nguyen, H. T., O’Brient, R., Palladino, S., Precup, N., Prouvé, T., Pryke, C., Racine, B., Reintsema, C. D., Richter, S., Schillaci, A., Schmitt, B., Schwarz, R., Sheehy, C. D., Soliman, A., Germaine, T. St., Steinbach, B., Sudiwala, R. V., Thompson, K. L., Tucker, C., Turner, A. D., Umiltà, C., Vieregg, A. G., Wandui, A., Weber, A. C., Wiebe, D. V., Willmert, J., Wu, W. L. K., Yang, E., Yoon, K. W., Young, E., and Yu, C. Mon . "Characterizing the Sensitivity of 40 GHz TES Bolometers for BICEP Array". United States. https://doi.org/10.1007/s10909-020-02411-8. https://www.osti.gov/servlets/purl/1608641.
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@article{osti_1608641,
title = {Characterizing the Sensitivity of 40 GHz TES Bolometers for BICEP Array},
author = {Zhang, C. and Ade, P. A. R. and Ahmed, Z. and Amiri, M. and Barkats, D. and Thakur, R. Basu and Bischoff, C. A. and Bock, J. J. and Boenish, H. and Bullock, E. and Buza, V. and Cheshire, J. and Connors, J. and Cornelison, J. and Crumrine, M. and Cukierman, A. and Dierickx, M. and Duband, L. and Fatigoni, S. and Filippini, J. P. and Hall, G. and Halpern, M. and Harrison, S. and Henderson, S. and Hildebrandt, S. R. and Hilton, G. C. and Hui, H. and Irwin, K. D. and Kang, J. and Karkare, K. S. and Karpel, E. and Kefeli, S. and Kovac, J. M. and Kuo, C. L. and Lau, K. and Megerian, K. G. and Moncelsi, L. and Namikawa, T. and Nguyen, H. T. and O’Brient, R. and Palladino, S. and Precup, N. and Prouvé, T. and Pryke, C. and Racine, B. and Reintsema, C. D. and Richter, S. and Schillaci, A. and Schmitt, B. and Schwarz, R. and Sheehy, C. D. and Soliman, A. and Germaine, T. St. and Steinbach, B. and Sudiwala, R. V. and Thompson, K. L. and Tucker, C. and Turner, A. D. and Umiltà, C. and Vieregg, A. G. and Wandui, A. and Weber, A. C. and Wiebe, D. V. and Willmert, J. and Wu, W. L. K. and Yang, E. and Yoon, K. W. and Young, E. and Yu, C.},
abstractNote = {The BICEP/Keck (BK) experiment aims to detect the imprint of primordial gravitational waves in the cosmic microwave background polarization, which would be direct evidence of the inflation theory. While the tensor-to-scalar ratio has been constrained to be $r_{0.05}<0.06$ at 95% c.l., further improvements on this upper limit are hindered by polarized galactic foreground emissions and removal of gravitational lensing polarization. The 30/40 GHz receiver of the BICEP Array (BA) will deploy at the end of 2019 and will constrain the synchrotron foreground with unprecedented accuracy within the BK sky patch. We will show the design of the 30/40 GHz detectors and test results summarizing its performance. The low optical and atmospheric loading at these frequencies requires our TES detectors to have low saturation power in order to be photon noise dominated. To realize the low thermal conductivity required from a 250 mK base temperature, we developed new bolometer leg designs. We will present the relevant measured detector parameters: $G, T_c, R_n, P_{sat}$, and spectral bands, and noise spectra. We achieved a per bolometer NEP including all noise components of 2.07×10-17W/$\sqrt{Hz}$, including an anticipated photon noise level 1.54×10-17W/$\sqrt{Hz}$.},
doi = {10.1007/s10909-020-02411-8},
journal = {Journal of Low Temperature Physics},
number = 3-4,
volume = 199,
place = {United States},
year = {2020},
month = {2}
}
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https://doi.org/10.1007/s10909-020-02411-8
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Works referenced in this record:

Constraints on Primordial Gravitational Waves Using P l a n c k , WMAP, and New BICEP2/ K e c k Observations through the 2015 Season
journal, November 2018

Optical Design and Characterization of 40-GHz Detector and Module for the BICEP Array
journal, February 2020

Design and Performance of the First BICEP Array Receiver
journal, February 2020

BICEP Array: a multi-frequency degree-scale CMB polarimeter
conference, July 2018

  • Hui, Howard; Ade, P. A. R.; Ahmed, Zeeshan
  • Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX
  • DOI: 10.1117/12.2311725

BICEP array cryostat and mount design
conference, July 2018

  • Crumrine, Michael; Ade, P. A. R.; Ahmed, Zeeshan
  • Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX
  • DOI: 10.1117/12.2312829

ANTENNA-COUPLED TES BOLOMETERS USED IN BICEP2, Keck Array , AND SPIDER
journal, October 2015

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    Works referencing / citing this record:

    Design and Performance of the First BICEP Array Receiver
    journal, February 2020

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