Device for frequency modulation of a laser output spectrum

Title: Device for frequency modulation of a laser output spectrum

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Abstract

A device is provided for fast frequency modulating the output spectrum of multimode lasers and single frequency lasers that are not actively stabilized. A piezoelectric transducer attached to a laser cavity mirror is driven in an unconventional manner to excite resonance vibration of the transducer to rapidly, cyclicly change the laser cavity length. The result is a cyclic sweeping of the output wavelength sufficient to fill the gaps in the laser output frequency spectrum. When such a laser is used to excite atoms or molecules, complete absorption line coverage is made possible.

Inventors:

Beene, James R ^[1]; Bemis, Jr., Curtis E. ^[2]

Oak Ridge, TN
(Oak Ridge, TN)

Issue Date:: 1986-01-01

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

OSTI Identifier:: 865953

Patent Number(s):: 4606031

Assignee:: United States of America as represented by United States (Washington, DC)

Patent Classifications (CPCs):: H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01S - DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01S - DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT
H01S3/105 - by controlling the mutual position or the reflecting properties of the reflectors of the cavity {, e.g. by controlling the cavity length}

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DOE Contract Number:: W-7405-ENG-26

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: device; frequency; modulation; laser; output; spectrum; provided; fast; modulating; multimode; lasers; single; actively; stabilized; piezoelectric; transducer; attached; cavity; mirror; driven; unconventional; manner; excite; resonance; vibration; rapidly; cyclicly; change; length; result; cyclic; sweeping; wavelength; sufficient; fill; gaps; atoms; molecules; complete; absorption; line; coverage; output wavelength; output frequency; output spectrum; laser output; laser cavity; piezoelectric transducer; absorption line; frequency spectrum; frequency modulation; cavity length; single frequency; conventional manner; frequency laser; output wave; cavity mirror; frequency lasers; frequency modulating; mode laser; /372/

Citation Formats


                    Beene, James R, and Bemis, Jr., Curtis E. Device for frequency modulation of a laser output spectrum.  United States: N. p., 1986. 
        Web.

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                    Beene, James R, & Bemis, Jr., Curtis E. Device for frequency modulation of a laser output spectrum.  United States.

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                    Beene, James R, and Bemis, Jr., Curtis E. Wed .  
        "Device for frequency modulation of a laser output spectrum".  United States.  https://www.osti.gov/servlets/purl/865953.

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@article{osti_865953,

  title        = {Device for frequency modulation of a laser output spectrum},

  author       = {Beene, James R and Bemis, Jr., Curtis E.},

  abstractNote = {A device is provided for fast frequency modulating the output spectrum of multimode lasers and single frequency lasers that are not actively stabilized. A piezoelectric transducer attached to a laser cavity mirror is driven in an unconventional manner to excite resonance vibration of the transducer to rapidly, cyclicly change the laser cavity length. The result is a cyclic sweeping of the output wavelength sufficient to fill the gaps in the laser output frequency spectrum. When such a laser is used to excite atoms or molecules, complete absorption line coverage is made possible.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1986},

  month        = {1}

}

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