A Hybrid SQUID Gradiometer with 3-Dimensional Thin-Film Pick-Up Coils Fabricated Using an Excimer Laser

Keiji Tsukada, Takanori Komuro, Masanori Higuchi, Akira Adachi, Hisashi Kado

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A compact hybrid superconducting quantum interference device (SQUID) gradiometer consisting of a coaxial pick-up coil with a superconducting Nb thin-film and a square double-washer dc-SQUID is developed. To make the pick-up coils, a 3-dimensional thin-film patterning technique is developed using an excimer laser. The gradiometer operates with flux locked loop electronics, a low-noise amplifier, and a high-speed (1 MHz) phase-sensitive detector. This gradiometer is sensitive to levels as low as 9 fT âœHz.

Original languageEnglish
Pages (from-to)19-21
Number of pages3
JournalIEEE Electron Device Letters
Volume15
Issue number1
DOIs
Publication statusPublished - 1994
Externally publishedYes

Fingerprint

SQUIDs
Excimer lasers
Thin films
Washers
Superconducting films
Low noise amplifiers
Electronic equipment
Fluxes
Detectors

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

A Hybrid SQUID Gradiometer with 3-Dimensional Thin-Film Pick-Up Coils Fabricated Using an Excimer Laser. / Tsukada, Keiji; Komuro, Takanori; Higuchi, Masanori; Adachi, Akira; Kado, Hisashi.

In: IEEE Electron Device Letters, Vol. 15, No. 1, 1994, p. 19-21.

Research output: Contribution to journalArticle

Tsukada, Keiji ; Komuro, Takanori ; Higuchi, Masanori ; Adachi, Akira ; Kado, Hisashi. / A Hybrid SQUID Gradiometer with 3-Dimensional Thin-Film Pick-Up Coils Fabricated Using an Excimer Laser. In: IEEE Electron Device Letters. 1994 ; Vol. 15, No. 1. pp. 19-21.
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