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Title: Planar Self-similar Antennas for Broadband Millimeter-Wave Measurements

Abstract

Self-similar antennas offer extremely broadband functionality and easily scalable designs. Self-similar designs with a four-arm layout are also suited for dual polarization through excitations of opposing arms, although there has only been limited use of them for millimeter-wave detectors. These antennas have been used for measurements of the cosmic microwave background (CMB), which encompass a wide frequency range and are now actively focusing more on polarization anisotropies. Here, we analyze multiple planar self-similar antenna designs with simulations in high-frequency structure simulator and ongoing physical testing. They all exhibit broadband operation between 130 and 230 GHz and can couple to both linear polarizations through the previously mentioned four-arm symmetry. Furthermore, simulations include each antenna design coupled to an extended hemispherical, AR-coated lenslet. From these, a basic bowtie-like arm design produced minimal polarization wobble with moderate beam efficiency, while a hybrid trapezoidal design provided high beam efficiency with small polarization wobble. Current fabrication versions of each are being tested, coupled to multichroic microwave kinetic inductance detectors. These planar self-similar antennas, when implemented in CMB and other detectors, could improve observations while simultaneously simplifying fabrication and detector layout.

Authors:
 [1];  [1];  [2];  [2];  [3];  [4];  [4];  [5];  [6];  [7];  [7]
  1. Arizona State Univ., Tempe, AZ (United States)
  2. Columbia Univ., New York, NY (United States)
  3. Stanford Univ., CA (United States)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  5. NASA Jet Propulsion Lab. (JPL), Pasadena, CA (United States)
  6. Univ. of Michigan, Ann Arbor, MI (United States)
  7. Cardiff Univ. (United Kingdom)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC); National Science Foundation (NSF)
OSTI Identifier:
1608338
Grant/Contract Number:  
AC02-76SF00515; 1509211; 1711160; 1509078; 1711242; 1506074; 1710624
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Low Temperature Physics
Additional Journal Information:
Journal Volume: 199; Journal Issue: 1-2; Journal ID: ISSN 0022-2291
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Antennas; Kinetic inductance detector (KID); CMB; Polarization

Citation Formats

Meinke, J., Mauskopf, P., Johnson, B. R., Flanigan, D., Irwin, K., Li, D., Cho, H. -M., Day, P., McMahon, J., Doyle, S., and Ade, P. A. R. Planar Self-similar Antennas for Broadband Millimeter-Wave Measurements. United States: N. p., 2020. Web. https://doi.org/10.1007/s10909-020-02427-0.
Meinke, J., Mauskopf, P., Johnson, B. R., Flanigan, D., Irwin, K., Li, D., Cho, H. -M., Day, P., McMahon, J., Doyle, S., & Ade, P. A. R. Planar Self-similar Antennas for Broadband Millimeter-Wave Measurements. United States. https://doi.org/10.1007/s10909-020-02427-0
Meinke, J., Mauskopf, P., Johnson, B. R., Flanigan, D., Irwin, K., Li, D., Cho, H. -M., Day, P., McMahon, J., Doyle, S., and Ade, P. A. R. Sat . "Planar Self-similar Antennas for Broadband Millimeter-Wave Measurements". United States. https://doi.org/10.1007/s10909-020-02427-0. https://www.osti.gov/servlets/purl/1608338.
@article{osti_1608338,
title = {Planar Self-similar Antennas for Broadband Millimeter-Wave Measurements},
author = {Meinke, J. and Mauskopf, P. and Johnson, B. R. and Flanigan, D. and Irwin, K. and Li, D. and Cho, H. -M. and Day, P. and McMahon, J. and Doyle, S. and Ade, P. A. R.},
abstractNote = {Self-similar antennas offer extremely broadband functionality and easily scalable designs. Self-similar designs with a four-arm layout are also suited for dual polarization through excitations of opposing arms, although there has only been limited use of them for millimeter-wave detectors. These antennas have been used for measurements of the cosmic microwave background (CMB), which encompass a wide frequency range and are now actively focusing more on polarization anisotropies. Here, we analyze multiple planar self-similar antenna designs with simulations in high-frequency structure simulator and ongoing physical testing. They all exhibit broadband operation between 130 and 230 GHz and can couple to both linear polarizations through the previously mentioned four-arm symmetry. Furthermore, simulations include each antenna design coupled to an extended hemispherical, AR-coated lenslet. From these, a basic bowtie-like arm design produced minimal polarization wobble with moderate beam efficiency, while a hybrid trapezoidal design provided high beam efficiency with small polarization wobble. Current fabrication versions of each are being tested, coupled to multichroic microwave kinetic inductance detectors. These planar self-similar antennas, when implemented in CMB and other detectors, could improve observations while simultaneously simplifying fabrication and detector layout.},
doi = {10.1007/s10909-020-02427-0},
journal = {Journal of Low Temperature Physics},
number = 1-2,
volume = 199,
place = {United States},
year = {2020},
month = {3}
}

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