SQUIDs – Highly sensitive magnetic sensors

Superconducting Quantum Interference Devices (SQUIDs) are the world's most sensitive detectors of magnetic signals. Besides their use in the laboratory, they have a rich application potential in areas such as geophysics, biomagnetism and nondestructive testing of materials. A programme for the...

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Published in:Current science (Bangalore) 1999-09, Vol.77 (6), p.759-769
Main Authors: Janawadkar, M. P., Baskaran, R., Saha, Rita, Gireesan, K., Nagendran, R., Vaidhyanathan, L. S., Jayapandian, J., Radhakrishnan, T. S.
Format: Article
Language:English
Subjects:
Direct current
Electric current
Electric potential
GENERAL ARTICLES
Josephson junctions
Magnetic fields
Magnetic flux
Narrative devices
Sensors
Signal noise
Squid
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container_end_page 769
container_issue 6
container_start_page 759
container_title Current science (Bangalore)
container_volume 77
creator Janawadkar, M. P.
Baskaran, R.
Saha, Rita
Gireesan, K.
Nagendran, R.
Vaidhyanathan, L. S.
Jayapandian, J.
Radhakrishnan, T. S.
description Superconducting Quantum Interference Devices (SQUIDs) are the world's most sensitive detectors of magnetic signals. Besides their use in the laboratory, they have a rich application potential in areas such as geophysics, biomagnetism and nondestructive testing of materials. A programme for the indigenous development of SQUID devices has been undertaken at the Indira Gandhi Centre for Atomic Research, Kalpakkam; high quality Josephson junctions, SQUID devices and large arrays of Josephson junctions have been successfully fabricated as a result of this effort. With the development of a low field SQUID magnetometer, the programme is poised to promote the indigenous development of SQUID based instruments for many applications. (Examples include ndt for ship plates.)
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source JSTOR Archival Journals and Primary Sources Collection
subjects Direct current
Electric current
Electric potential
GENERAL ARTICLES
Josephson junctions
Magnetic fields
Magnetic flux
Narrative devices
Sensors
Signal noise
Squid
title SQUIDs – Highly sensitive magnetic sensors
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