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Thermal Links and Microstrip Transmission Lines in SPT-3G Bolometers

Journal Article · · Journal of Low Temperature Physics
In this work, we have measured the properties of membrane-suspended bolometer thermal links and microstrip transmission lines in the transition-edge sensor arrays for the third-generation camera for South Pole Telescope (SPT-3G). A promising technique for controlling the end point of the release etch that defines the thermal link has been developed. We have also evaluated the microstrip loss in our detectors by measuring the optical efficiency of detectors with different lengths of microstrip line. The loss tangent is sufficiently low for the use in multi-chronic pixels for cosmic microwave background instruments like SPT-3G.
Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Contributing Organization:
SPT
Grant/Contract Number:
AC02-06CH11357; AC02-07CH11359; AC02-76SF00515
OSTI ID:
1488563
Alternate ID(s):
OSTI ID: 1490492
OSTI ID: 1496027
Report Number(s):
FERMILAB-PUB-18-737-AE; 139826
Journal Information:
Journal of Low Temperature Physics, Journal Name: Journal of Low Temperature Physics Journal Issue: 5-6 Vol. 193; ISSN 0022-2291
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (4)

Fabrication of Detector Arrays for the SPT-3G Receiver journal May 2018
Optical Characterization of the SPT-3G Camera journal May 2018
SPT-3G: A Multichroic Receiver for the South Pole Telescope journal July 2018
Year two instrument status of the SPT-3G cosmic microwave background receiver
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conference August 2018