JP2002148322A - 超伝導量子干渉素子を用いた信号検出器およびその測定方法 - Google Patents

超伝導量子干渉素子を用いた信号検出器およびその測定方法

Info

Publication number
JP2002148322A
JP2002148322A JP2000341862A JP2000341862A JP2002148322A JP 2002148322 A JP2002148322 A JP 2002148322A JP 2000341862 A JP2000341862 A JP 2000341862A JP 2000341862 A JP2000341862 A JP 2000341862A JP 2002148322 A JP2002148322 A JP 2002148322A
Authority
JP
Japan
Prior art keywords
signal
quantum interference
magnetic flux
superconducting quantum
voltage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2000341862A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002148322A5 (enExample
Inventor
Toshimitsu Morooka
利光 師岡
Keiichi Tanaka
啓一 田中
Tatsuji Ishikawa
達次 石川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP2000341862A priority Critical patent/JP2002148322A/ja
Priority to US10/021,417 priority patent/US6597169B2/en
Publication of JP2002148322A publication Critical patent/JP2002148322A/ja
Publication of JP2002148322A5 publication Critical patent/JP2002148322A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/035—Measuring direction or magnitude of magnetic fields or magnetic flux using superconductive devices
    • G01R33/0354—SQUIDS
    • G01R33/0356—SQUIDS with flux feedback
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/842—Measuring and testing
    • Y10S505/843—Electrical
    • Y10S505/845—Magnetometer
    • Y10S505/846—Magnetometer using superconductive quantum interference device, i.e. squid

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
JP2000341862A 2000-11-09 2000-11-09 超伝導量子干渉素子を用いた信号検出器およびその測定方法 Pending JP2002148322A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000341862A JP2002148322A (ja) 2000-11-09 2000-11-09 超伝導量子干渉素子を用いた信号検出器およびその測定方法
US10/021,417 US6597169B2 (en) 2000-11-09 2001-10-29 Signal detector using superconducting quantum interference device and measuring method therefore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000341862A JP2002148322A (ja) 2000-11-09 2000-11-09 超伝導量子干渉素子を用いた信号検出器およびその測定方法

Publications (2)

Publication Number Publication Date
JP2002148322A true JP2002148322A (ja) 2002-05-22
JP2002148322A5 JP2002148322A5 (enExample) 2005-06-09

Family

ID=18816524

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000341862A Pending JP2002148322A (ja) 2000-11-09 2000-11-09 超伝導量子干渉素子を用いた信号検出器およびその測定方法

Country Status (2)

Country Link
US (1) US6597169B2 (enExample)
JP (1) JP2002148322A (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005188946A (ja) * 2003-12-24 2005-07-14 Sumitomo Denko Hightecs Kk 磁気検出装置
JP2018503249A (ja) * 2014-12-09 2018-02-01 ノースロップ グラマン システムズ コーポレイションＮｏｒｔｈｒｏｐ Ｇｒｕｍｍａｎ Ｓｙｓｔｅｍｓ Ｃｏｒｐｏｒａｔｉｏｎ 超伝導スイッチシステム
WO2018142854A1 (ja) * 2017-01-31 2018-08-09 富士通株式会社 Ｆｌｌ回路及びｓｑｕｉｄセンサ
CN108680877A (zh) * 2018-04-28 2018-10-19 中国科学院上海微系统与信息技术研究所 平衡接线多通道超导量子干涉磁传感器
JP2020524281A (ja) * 2017-07-10 2020-08-13 ノースロップ グラマン システムズ コーポレイションＮｏｒｔｈｒｏｐ Ｇｒｕｍｍａｎ Ｓｙｓｔｅｍｓ Ｃｏｒｐｏｒａｔｉｏｎ グラジオメトリック磁束キュービットシステム
CN116415675A (zh) * 2023-06-09 2023-07-11 中国科学技术大学 一种用于调制超导量子比特跃迁频率的系统及方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005081993A2 (en) * 2004-02-23 2005-09-09 Halliburton Energy Services, Inc. A downhole positioning system
US8571614B1 (en) 2009-10-12 2013-10-29 Hypres, Inc. Low-power biasing networks for superconducting integrated circuits
US9476951B2 (en) * 2011-11-14 2016-10-25 Neocera, Llc DC SQUID based RF magnetometer operating at a bandwidth of 200 MHz and higher
CN104198962B (zh) * 2014-08-29 2017-08-15 中国科学院上海微系统与信息技术研究所 超导量子干涉器磁传感器及其中的工作点跳变的识别方法
US9523719B2 (en) * 2014-10-10 2016-12-20 Bose Corporation Current sensor
CN104569868B (zh) * 2015-02-11 2017-06-27 中国科学院上海微系统与信息技术研究所 一种超导量子干涉装置
US10222416B1 (en) 2015-04-14 2019-03-05 Hypres, Inc. System and method for array diagnostics in superconducting integrated circuit
US12087503B2 (en) 2021-06-11 2024-09-10 SeeQC, Inc. System and method of flux bias for superconducting quantum circuits

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287058A (en) * 1990-02-15 1994-02-15 Fujitsu Limited Digital magnetic flux measuring apparatus using superconducting quantum interference device with flux trapping prevention features
US5291135A (en) * 1990-09-28 1994-03-01 Hitachi Ltd. Weak magnetic field measuring system using dc-SQUID magnetometer with bias current adjustment and/or detecting function of abnormal operation
JPH04269680A (ja) * 1991-02-25 1992-09-25 Seiko Instr Inc 高感度磁場検出装置
US5469057A (en) * 1994-03-08 1995-11-21 University Of New Mexico Method and apparatus for extending the dynamic range of DC-squid measurements using a flux tracking loop
JP2000321343A (ja) * 1999-05-13 2000-11-24 Sumitomo Electric Ind Ltd Ｓｑｕｉｄ用変調駆動回路の磁場バイアス調整方法および装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005188946A (ja) * 2003-12-24 2005-07-14 Sumitomo Denko Hightecs Kk 磁気検出装置
JP2018503249A (ja) * 2014-12-09 2018-02-01 ノースロップ グラマン システムズ コーポレイションＮｏｒｔｈｒｏｐ Ｇｒｕｍｍａｎ Ｓｙｓｔｅｍｓ Ｃｏｒｐｏｒａｔｉｏｎ 超伝導スイッチシステム
WO2018142854A1 (ja) * 2017-01-31 2018-08-09 富士通株式会社 Ｆｌｌ回路及びｓｑｕｉｄセンサ
JP2020524281A (ja) * 2017-07-10 2020-08-13 ノースロップ グラマン システムズ コーポレイションＮｏｒｔｈｒｏｐ Ｇｒｕｍｍａｎ Ｓｙｓｔｅｍｓ Ｃｏｒｐｏｒａｔｉｏｎ グラジオメトリック磁束キュービットシステム
CN108680877A (zh) * 2018-04-28 2018-10-19 中国科学院上海微系统与信息技术研究所 平衡接线多通道超导量子干涉磁传感器
CN108680877B (zh) * 2018-04-28 2020-11-06 中国科学院上海微系统与信息技术研究所 平衡接线多通道超导量子干涉磁传感器
CN116415675A (zh) * 2023-06-09 2023-07-11 中国科学技术大学 一种用于调制超导量子比特跃迁频率的系统及方法
CN116415675B (zh) * 2023-06-09 2023-09-22 中国科学技术大学 一种用于调制超导量子比特跃迁频率的系统及方法

Also Published As

Publication number Publication date
US6597169B2 (en) 2003-07-22
US20020128156A1 (en) 2002-09-12

Similar Documents

Publication Publication Date Title
US4933888A (en) Process for the digitization and linearization of a transducer with a quasi-sinusoidal periodic characteristic and corresponding apparatus
JP2002148322A (ja) 超伝導量子干渉素子を用いた信号検出器およびその測定方法
JP3009729B2 (ja) 低ノイズセンサからの出力信号を処理する方法及び装置
JP5978310B2 (ja) ２００ＭＨｚ以上の帯域幅で動作するＤＣＳＱＵＩＤベースのＲＦ磁気計
US8680853B2 (en) SQUID-system having increased flux voltage transfer function
JP2002148322A5 (enExample)
JP2662903B2 (ja) 高感度磁場検出装置
Caputo et al. Superconducting quantum interference filters as absolute magnetic field sensors
Kittel et al. High T c superconducting second-order gradiometer
US5900730A (en) Magnetometer using two squids
Nakanishi et al. Analysis of first-order feedback loop with lock-in amplifier
EP0829016B1 (en) Squid magnetometer
JPH075233A (ja) 狭帯域ｆｌｌ回路
Rogalla et al. A SQUID system for low-drift magnetization measurements
JP2869780B2 (ja) ラッチフリーｓｑｕｉｄ磁束計
JPH0943328A (ja) 超電導磁気検出装置
Barjenbruch New kind of highly sensitive magnetic sensors with wide bandwidth
Granata et al. Low critical temperature dc-SQUIDs for high spatial resolution applications
JP2869775B2 (ja) Ｓｑｕｉｄ磁束計
Podt et al. Digital squids based on smart dros
JP2005188946A (ja) 磁気検出装置
Dyball et al. A tuned NMR spectrometer using a DC SQUID for systems of low spin density
JPH0743418B2 (ja) ダミ―ｓｑｕｉｄ
JPH0868834A (ja) 超伝導磁力計
JPH028762A (ja) Ｓｑｕｉｄ磁束計

Legal Events

Date Code Title Description
RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20040303

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20040526

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040824

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040824

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20061109

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070911

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20080122