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JPS5497082A - Intensity detector of laser beam - Google Patents

Intensity detector of laser beam

Info

Publication number
JPS5497082A
JPS5497082A JP359578A JP359578A JPS5497082A JP S5497082 A JPS5497082 A JP S5497082A JP 359578 A JP359578 A JP 359578A JP 359578 A JP359578 A JP 359578A JP S5497082 A JPS5497082 A JP S5497082A
Authority
JP
Japan
Prior art keywords
laser beam
signals
axis
detected
electric signals
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
JP359578A
Other languages
Japanese (ja)
Inventor
Masahiko Maruyama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP359578A priority Critical patent/JPS5497082A/en
Publication of JPS5497082A publication Critical patent/JPS5497082A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4257—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to monitoring the characteristics of a beam, e.g. laser beam, headlamp beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Lasers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

PURPOSE:To make it possible to detect the intensity of a laser beam, which is deflected into an oval shape, by receiving the laser beam, while dividing it into two perpendicular components, with two transparent mirrors, and by converting the same into electric signals so that they may be composed. CONSTITUTION:The laser beam 2, which is polarized into an oval shape and comes from an osicllator 1, is emitted in the direction of X axis so that it is partially reflected by a trasparent mirror 3 in the direction of Y axis at a right angle to the optical axis and then is converted into electric signals by power meter 5. Likewise, the beam 2 is partially reflected in the Z direction and converted into electric signals by a power meter 8. A calculating device 9 composed the electric vectors of the reflected beams 4 and 7 fed from the meters 5 and 8 at a right angle into detected signals. By presetting the proportional constant between the detected signals and the laser beam 2, the intensisty of the beam can be detected.
JP359578A 1978-01-17 1978-01-17 Intensity detector of laser beam Pending JPS5497082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP359578A JPS5497082A (en) 1978-01-17 1978-01-17 Intensity detector of laser beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP359578A JPS5497082A (en) 1978-01-17 1978-01-17 Intensity detector of laser beam

Publications (1)

Publication Number Publication Date
JPS5497082A true JPS5497082A (en) 1979-07-31

Family

ID=11561817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP359578A Pending JPS5497082A (en) 1978-01-17 1978-01-17 Intensity detector of laser beam

Country Status (1)

Country Link
JP (1) JPS5497082A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56101524A (en) * 1980-01-17 1981-08-14 Nec Corp Monitoring device for laser energy
JPS60153187A (en) * 1984-01-21 1985-08-12 Asahi Optical Co Ltd Laser device
JPS60261183A (en) * 1984-06-07 1985-12-24 Asahi Optical Co Ltd Laser device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56101524A (en) * 1980-01-17 1981-08-14 Nec Corp Monitoring device for laser energy
JPS6151248B2 (en) * 1980-01-17 1986-11-07 Nippon Electric Co
JPS60153187A (en) * 1984-01-21 1985-08-12 Asahi Optical Co Ltd Laser device
JPH0343795B2 (en) * 1984-01-21 1991-07-03 Asahi Optical Co Ltd
JPS60261183A (en) * 1984-06-07 1985-12-24 Asahi Optical Co Ltd Laser device

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