EP2172817A3 - Detektion von Veränderungen eines Zeitabstands optischer oder elektrischer Signale - Google Patents

Detektion von Veränderungen eines Zeitabstands optischer oder elektrischer Signale Download PDF

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Publication number
EP2172817A3
EP2172817A3 EP09010549A EP09010549A EP2172817A3 EP 2172817 A3 EP2172817 A3 EP 2172817A3 EP 09010549 A EP09010549 A EP 09010549A EP 09010549 A EP09010549 A EP 09010549A EP 2172817 A3 EP2172817 A3 EP 2172817A3
Authority
EP
European Patent Office
Prior art keywords
optical
signal
electrical
detection
variations
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.)
Granted
Application number
EP09010549A
Other languages
English (en)
French (fr)
Other versions
EP2172817B1 (de
EP2172817A2 (de
Inventor
Florian Löhl
Holger Schlarb
Frank Ludwig
Matthias Felber
Johann Zemella
Axel Winter
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.)
Deutsches Elektronen Synchrotron DESY
Original Assignee
Deutsches Elektronen Synchrotron DESY
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 Deutsches Elektronen Synchrotron DESY filed Critical Deutsches Elektronen Synchrotron DESY
Priority to SI200930532T priority Critical patent/SI2172817T1/sl
Publication of EP2172817A2 publication Critical patent/EP2172817A2/de
Publication of EP2172817A3 publication Critical patent/EP2172817A3/de
Application granted granted Critical
Publication of EP2172817B1 publication Critical patent/EP2172817B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

Die vorliegende Erfindung betrifft ein Verfahren zur Detektion von Veränderungen eines Zeitabstands (ΔT) zwischen einem optischen (1) oder elektrischen Signal und einem optischen (3) oder elektrischen Referenzsignal unter Verwendung eines Photodetektors (5), eine Verwendung des Verfahrens zum Synchronisieren eines optischen (1) oder elektrischen Signals mit einem optischen (1) oder elektrischen Referenzsignal und eine Vorrichtung zur Durchführung des Verfahrens. Das Verfahren weist folgende Schritte auf:
- Empfangen des optischen Signals (1) und des optischen Referenzsignals (3) mit dem Photodetektor (5),
- Ausgeben eines elektrischen Antwortsignals (15) an einem Ausgang (13) des Photodetektors (5), wobei das elektrische Antwortsignal (15) ein Frequenzspektrum aufweist, das vom Zeitabstand (ΔT) abhängt,
- Filtern einer ausgewählten Harmonischen aus dem Frequenzspektrum des ausgegebenen elektrischen Antwortsignals (15),
- Detektieren von Veränderungen des Zeitabstands (ΔT) aus Veränderungen der Amplitude der ausgewählten Harmonischen.
EP09010549A 2008-08-22 2009-08-17 Detektion von Veränderungen eines Zeitabstands optischer oder elektrischer Signale Not-in-force EP2172817B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200930532T SI2172817T1 (sl) 2008-08-22 2009-08-17 Odkrivanje sprememb časovnega intervala med optičnimi in električnimi signali

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008045359A DE102008045359B3 (de) 2008-08-22 2008-08-22 Detektion von Veränderungen eines Zeitabstands optischer oder elektrischer Signale

Publications (3)

Publication Number Publication Date
EP2172817A2 EP2172817A2 (de) 2010-04-07
EP2172817A3 true EP2172817A3 (de) 2011-03-02
EP2172817B1 EP2172817B1 (de) 2012-12-12

Family

ID=41569898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09010549A Not-in-force EP2172817B1 (de) 2008-08-22 2009-08-17 Detektion von Veränderungen eines Zeitabstands optischer oder elektrischer Signale

Country Status (5)

Country Link
US (1) US8242767B2 (de)
EP (1) EP2172817B1 (de)
JP (1) JP5543742B2 (de)
DE (1) DE102008045359B3 (de)
SI (1) SI2172817T1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8493123B2 (en) * 2010-12-15 2013-07-23 Raytheon Company Synchronization of remote clocks
US8686895B2 (en) 2011-04-29 2014-04-01 Rosemount Tank Radar Ab Pulsed radar level gauge system with higher order harmonic regulation
DE102011111114A1 (de) * 2011-08-19 2013-02-21 Deutsches Elektronen-Synchrotron Desy System und Verfahren zum Erzeugen eines Synchronisationssteuersignals
JP5894849B2 (ja) 2012-04-25 2016-03-30 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 作業ロールシフト機能を具備した多段圧延機
US10050722B2 (en) * 2014-10-17 2018-08-14 The United States Of America, As Represented By The Secretary Of Commerce Signal generator, process for making and using same
US10139699B2 (en) * 2017-03-09 2018-11-27 Harris Corporation Electro-optic communications device with frequency conversion and multi-mode optical fiber and related methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3722258A (en) * 1971-03-12 1973-03-27 J Besson System for measuring time difference between and synchronizing precision clocks
EP1119119A1 (de) * 2000-01-20 2001-07-25 Nippon Telegraph and Telephone Corporation Lokalsignalgenerator mit PLL zur Phasensynchronisation des Taktes mit Symbolen in einem optischen Datenstrom
US20020181041A1 (en) * 2001-05-31 2002-12-05 Dennis Tong Opto-electronic phase-locked loop with microwave mixing for clock recovery

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62237344A (ja) * 1986-04-08 1987-10-17 Hamamatsu Photonics Kk 時間分解測定システム
JP3234429B2 (ja) * 1995-01-17 2001-12-04 日本電信電話株式会社 モード同期レーザの動作安定化装置
JP3681865B2 (ja) * 1997-03-31 2005-08-10 三菱電機株式会社 光パルス位置検出回路及び光パルス位置検出方法
DE19938513C2 (de) * 1999-08-13 2003-06-12 Cgk Comp Ges Konstanz Mbh Vorrichtung und Verfahren zur Synchronisierung schneller analoger Elektronik
CN1677217B (zh) * 2004-03-31 2010-08-25 松下电器产业株式会社 摄像装置及摄像用光检测装置
DE102005007072B4 (de) * 2005-02-16 2010-07-22 Rohde & Schwarz Gmbh & Co. Kg Verfahren zum Synchronisieren eines Meßsignals mit einem Referenzsignal und entsprechendes Meßsystem
JP2007013403A (ja) * 2005-06-29 2007-01-18 Agilent Technol Inc 時間差測定方法および同期化方法および測定方法、ならびに、時間差測定装置および同期化装置および測定装置
DE202006017713U1 (de) * 2006-11-16 2007-02-01 Deutsches Elektronen-Synchrotron Desy Strahlanalysesystem für eine Beschleunigeranlage
JP5359179B2 (ja) * 2008-10-17 2013-12-04 富士通株式会社 光受信機及び光受信方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3722258A (en) * 1971-03-12 1973-03-27 J Besson System for measuring time difference between and synchronizing precision clocks
EP1119119A1 (de) * 2000-01-20 2001-07-25 Nippon Telegraph and Telephone Corporation Lokalsignalgenerator mit PLL zur Phasensynchronisation des Taktes mit Symbolen in einem optischen Datenstrom
US20020181041A1 (en) * 2001-05-31 2002-12-05 Dennis Tong Opto-electronic phase-locked loop with microwave mixing for clock recovery

Also Published As

Publication number Publication date
SI2172817T1 (sl) 2013-04-30
EP2172817B1 (de) 2012-12-12
DE102008045359B3 (de) 2010-05-20
JP2010066255A (ja) 2010-03-25
US8242767B2 (en) 2012-08-14
EP2172817A2 (de) 2010-04-07
JP5543742B2 (ja) 2014-07-09
US20100098408A1 (en) 2010-04-22

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