Quantum Interferometer.

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Abstract:

An electronic system for use with an rf-biased SQUID is described in detail, and the inherent noise level of the system is shown to be equivalent to an rms flux of phi sub 06000 for a one-second response time and a SQUID with a 2 mm diameter aperture. The use of superconducting flux transformers to enhance the sensitivity to magnetic fields and field gradients is discussed. It is concluded that sensitivities of the order of 10 to the -11th power gauss field or 10 to the -13th power gausscm gradient should be attainable with flux transformers a few cm diameter by a meter long. Author

Author(s):
Zimmerman, James E.
Author Organization(s):
PHILCO-FORD CORP NEWPORT BEACH CA AERONUTRONIC DIV
Descriptive Note:
Quarterly technical rept. no. 5, 15 Oct 68-15 Jan 69,
Pagination:
0022

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
U-4604
Contract/Grant Number(s):
N00014-68-C-0138, ARPA Order-1049
 Subject Terms
Modernization Areas:
Quantum Science and Computing
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*SEMICONDUCTOR DEVICES), (*FLUXMETERS, TRANSFORMERS, THERMOMETERS, MAGNETIC PROPERTIES, PREAMPLIFIERS, INTERFEROMETERS, SUPERCONDUCTORS
Field(s)/Group(s):
Electrical and Electronic Equipment, Test Facilities, Equipment and Methods
Report Date:
1969 Mar 07