DE3917388C1 - - Google Patents

Info

Publication number
DE3917388C1
DE3917388C1 DE19893917388 DE3917388A DE3917388C1 DE 3917388 C1 DE3917388 C1 DE 3917388C1 DE 19893917388 DE19893917388 DE 19893917388 DE 3917388 A DE3917388 A DE 3917388A DE 3917388 C1 DE3917388 C1 DE 3917388C1
Authority
DE
Germany
Prior art keywords
laser
measured
external resonator
reflector
change
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.)
Expired - Lifetime
Application number
DE19893917388
Other languages
German (de)
English (en)
Inventor
Rainer 8000 Muenchen De Thiessen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19893917388 priority Critical patent/DE3917388C1/de
Priority to DE19893943469 priority patent/DE3943469A1/de
Priority to DE3943470A priority patent/DE3943470A1/de
Priority to EP19900110110 priority patent/EP0402691A1/de
Priority to US07/558,065 priority patent/US5097476A/en
Application granted granted Critical
Publication of DE3917388C1 publication Critical patent/DE3917388C1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE19893917388 1989-05-29 1989-05-29 Expired - Lifetime DE3917388C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19893917388 DE3917388C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-05-29 1989-05-29
DE19893943469 DE3943469A1 (de) 1989-05-29 1989-05-29 Anordnung zur markenlosen drehzahlmessung an glatten wellen
DE3943470A DE3943470A1 (de) 1989-05-29 1989-05-29 Gegenstands-naeherungs und troepfchendetektor
EP19900110110 EP0402691A1 (de) 1989-05-29 1990-05-28 Laser-Sensor mit externem Resonator
US07/558,065 US5097476A (en) 1989-05-29 1990-07-25 Laser sensor with external resonance cavity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893917388 DE3917388C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-05-29 1989-05-29

Publications (1)

Publication Number Publication Date
DE3917388C1 true DE3917388C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-11-29

Family

ID=6381573

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893917388 Expired - Lifetime DE3917388C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-05-29 1989-05-29

Country Status (2)

Country Link
EP (1) EP0402691A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3917388C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4125484A1 (de) * 1991-08-01 1993-02-04 Deutsche Aerospace Laseroptischer sensor zur messung von brechungsindices und davon abgeleiteter physikalischer groessen
DE102010018322B3 (de) * 2010-04-27 2011-04-07 Laib, Thorsten, Dr. Optischer Sensor zur Detektion der Konzentration von Substanzen in Fluiden basierend auf der Rückkopplung von Laserlicht in einen Laser

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2397097A (en) * 1996-04-23 1997-11-12 R.D.P. Electronics Limited Optical transducer, method and laser diode arrangement
CN109870424B (zh) * 2019-03-05 2021-05-11 中国计量大学 基于彩色三步移相技术的哈特曼光线追迹方法
CN115189761B (zh) * 2022-06-29 2024-03-22 武汉电信器件有限公司 一种强度调制直接检测装置与方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808557A (en) * 1971-05-21 1974-04-30 V Smiley High-sensitivity laser acoustic detector
EP0090485A1 (en) * 1982-02-09 1983-10-05 Itt Industries, Inc. Semiconductor lasers
EP0140820A2 (de) * 1983-08-19 1985-05-08 Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH Stabilisationseinrichtung für einen Halbleiter-Laser
EP0149769A2 (de) * 1984-01-20 1985-07-31 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Vorrichtung zur optoelektronischen Erfassung der Drehzahl einer Welle
EP0206661A2 (en) * 1985-06-14 1986-12-30 Sharp Kabushiki Kaisha A semiconductor laser apparatus
EP0206745A2 (en) * 1985-06-18 1986-12-30 Sharp Kabushiki Kaisha A semiconductor laser apparatus
DE3606090A1 (de) * 1985-02-28 1987-01-29 Sharp Kk Messvorrichtung zum messen kleinster verschiebebetraege
EP0213965A2 (en) * 1985-09-04 1987-03-11 Hitachi, Ltd. Semiconductor laser devices
DE3513035C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1984-04-11 1988-01-21 Hitachi, Ltd., Tokio/Tokyo, Jp
EP0257898A2 (en) * 1986-08-09 1988-03-02 Sharp Kabushiki Kaisha External resonator type semiconductor laser

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0697261B2 (ja) * 1984-06-01 1994-11-30 シャープ株式会社 半導体レ−ザを用いた微小変位測定装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808557A (en) * 1971-05-21 1974-04-30 V Smiley High-sensitivity laser acoustic detector
EP0090485A1 (en) * 1982-02-09 1983-10-05 Itt Industries, Inc. Semiconductor lasers
EP0140820A2 (de) * 1983-08-19 1985-05-08 Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH Stabilisationseinrichtung für einen Halbleiter-Laser
EP0149769A2 (de) * 1984-01-20 1985-07-31 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Vorrichtung zur optoelektronischen Erfassung der Drehzahl einer Welle
DE3513035C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1984-04-11 1988-01-21 Hitachi, Ltd., Tokio/Tokyo, Jp
DE3606090A1 (de) * 1985-02-28 1987-01-29 Sharp Kk Messvorrichtung zum messen kleinster verschiebebetraege
EP0206661A2 (en) * 1985-06-14 1986-12-30 Sharp Kabushiki Kaisha A semiconductor laser apparatus
EP0206745A2 (en) * 1985-06-18 1986-12-30 Sharp Kabushiki Kaisha A semiconductor laser apparatus
EP0213965A2 (en) * 1985-09-04 1987-03-11 Hitachi, Ltd. Semiconductor laser devices
EP0257898A2 (en) * 1986-08-09 1988-03-02 Sharp Kabushiki Kaisha External resonator type semiconductor laser

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
E.M. STRZELECKI et al.: Investigation of Tunable Single Frequency Diode Lasers for Sensor Applications. In: Journal of Lightwave Technology, Vol. 6, No. 10, October 1988 *
Ronald O. MILES et al.: An External Cavity Diode Laser Sensor. In: Journal of Lightwave Technology, Vol. LT-1, No. 1, March 1983 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4125484A1 (de) * 1991-08-01 1993-02-04 Deutsche Aerospace Laseroptischer sensor zur messung von brechungsindices und davon abgeleiteter physikalischer groessen
DE4125484C2 (de) * 1991-08-01 1999-03-18 Daimler Benz Aerospace Ag Anordnung zur Messung von Brechungsindexveränderungen eines Mediums mittels Laserstrahlen
DE102010018322B3 (de) * 2010-04-27 2011-04-07 Laib, Thorsten, Dr. Optischer Sensor zur Detektion der Konzentration von Substanzen in Fluiden basierend auf der Rückkopplung von Laserlicht in einen Laser

Also Published As

Publication number Publication date
EP0402691A1 (de) 1990-12-19

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