FR2677185B1 - LASER TRANSMITTER IN PARTICULAR FOR THE GENERATION OF ULTRASONIC WAVES AND ITS APPLICATION TO A NON-DESTRUCTIVE NON-CONTACT CONTROL DEVICE. - Google Patents

LASER TRANSMITTER IN PARTICULAR FOR THE GENERATION OF ULTRASONIC WAVES AND ITS APPLICATION TO A NON-DESTRUCTIVE NON-CONTACT CONTROL DEVICE.

Info

Publication number
FR2677185B1
FR2677185B1 FR9106540A FR9106540A FR2677185B1 FR 2677185 B1 FR2677185 B1 FR 2677185B1 FR 9106540 A FR9106540 A FR 9106540A FR 9106540 A FR9106540 A FR 9106540A FR 2677185 B1 FR2677185 B1 FR 2677185B1
Authority
FR
France
Prior art keywords
generation
control device
application
ultrasonic waves
laser transmitter
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
FR9106540A
Other languages
French (fr)
Other versions
FR2677185A1 (en
Inventor
Lesne Jean-Loup
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.)
Electricite de France SA
Original Assignee
Electricite de France SA
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 Electricite de France SA filed Critical Electricite de France SA
Priority to FR9106540A priority Critical patent/FR2677185B1/en
Priority to PCT/FR1992/000474 priority patent/WO1992022110A1/en
Publication of FR2677185A1 publication Critical patent/FR2677185A1/en
Application granted granted Critical
Publication of FR2677185B1 publication Critical patent/FR2677185B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/0602—Crystal lasers or glass lasers
    • H01S3/0606—Crystal lasers or glass lasers with polygonal cross-section, e.g. slab, prism
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/04—Arrangements for thermal management
    • H01S3/042—Arrangements for thermal management for solid state lasers
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1123—Q-switching
    • H01S3/127—Plural Q-switches
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2383—Parallel arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Lasers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
FR9106540A 1991-05-30 1991-05-30 LASER TRANSMITTER IN PARTICULAR FOR THE GENERATION OF ULTRASONIC WAVES AND ITS APPLICATION TO A NON-DESTRUCTIVE NON-CONTACT CONTROL DEVICE. Expired - Lifetime FR2677185B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9106540A FR2677185B1 (en) 1991-05-30 1991-05-30 LASER TRANSMITTER IN PARTICULAR FOR THE GENERATION OF ULTRASONIC WAVES AND ITS APPLICATION TO A NON-DESTRUCTIVE NON-CONTACT CONTROL DEVICE.
PCT/FR1992/000474 WO1992022110A1 (en) 1991-05-30 1992-05-27 Laser transmitter particularly for generating ultrasonic waves, and use thereof in a contactless nondestructive testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9106540A FR2677185B1 (en) 1991-05-30 1991-05-30 LASER TRANSMITTER IN PARTICULAR FOR THE GENERATION OF ULTRASONIC WAVES AND ITS APPLICATION TO A NON-DESTRUCTIVE NON-CONTACT CONTROL DEVICE.

Publications (2)

Publication Number Publication Date
FR2677185A1 FR2677185A1 (en) 1992-12-04
FR2677185B1 true FR2677185B1 (en) 1993-09-24

Family

ID=9413295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9106540A Expired - Lifetime FR2677185B1 (en) 1991-05-30 1991-05-30 LASER TRANSMITTER IN PARTICULAR FOR THE GENERATION OF ULTRASONIC WAVES AND ITS APPLICATION TO A NON-DESTRUCTIVE NON-CONTACT CONTROL DEVICE.

Country Status (2)

Country Link
FR (1) FR2677185B1 (en)
WO (1) WO1992022110A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6268956B1 (en) * 1998-07-07 2001-07-31 Trw Inc. End pumped zig-zag slab laser gain medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567769A (en) * 1984-03-08 1986-02-04 Rockwell International Corporation Contact-free ultrasonic transduction for flaw and acoustic discontinuity detection
US4713822A (en) * 1985-05-24 1987-12-15 Amada Engineering & Service Co., Inc. Laser device
CN85105775B (en) * 1985-07-31 1987-12-23 华东工学院 Instantaneous holocamera employing sequential pulse laser
GB8601873D0 (en) * 1986-01-27 1986-03-05 Atomic Energy Authority Uk Ultrasonic weld monitoring
JPH0671113B2 (en) * 1987-06-30 1994-09-07 ホ−ヤ株式会社 Solid-state laser device

Also Published As

Publication number Publication date
FR2677185A1 (en) 1992-12-04
WO1992022110A1 (en) 1992-12-10

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