Danielmeyer, 1970 - Google Patents

Stabilized efficient single-frequency Nd: YAG laser

Danielmeyer, 1970

Document ID
5487815447413643840
Author
Danielmeyer H
Publication year
Publication venue
IEEE Journal of Quantum Electronics

External Links

Snippet

It is shown how intracavity etalons can be optimally designed for axial mode selection and frequency stabilization of gas and crystal lasers. Relevant laser parameters, required etalon properties, and expected losses are determined. A simple frequency stabilization scheme …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/05Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
    • H01S3/08Construction or shape of optical resonators or components thereof
    • H01S3/08018Mode suppression
    • H01S3/08022Longitudinal mode control, e.g. specifically multimode
    • H01S3/08031Single-mode emission
    • HELECTRICITY
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    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/09Processes or apparatus for excitation, e.g. pumping
    • H01S3/091Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • H01S3/09415Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
    • HELECTRICITY
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    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/05Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
    • H01S3/08Construction or shape of optical resonators or components thereof
    • H01S3/081Construction or shape of optical resonators or components thereof comprising more than two reflectors
    • H01S3/083Ring lasers
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    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13Stabilisation of laser output parameters, e.g. frequency, amplitude
    • H01S3/136Stabilisation of laser output parameters, e.g. frequency, amplitude by controlling a device placed within the cavity
    • H01S3/137Stabilisation of laser output parameters, e.g. frequency, amplitude by controlling a device placed within the cavity for stabilising of frequency
    • HELECTRICITY
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    • H01S3/05Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
    • H01S3/08Construction or shape of optical resonators or components thereof
    • H01S3/086One or more reflectors having variable properties or positions for initial adjustment of the resonator
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    • H01S3/106Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling a device placed within the cavity
    • H01S3/1063Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling a device placed within the cavity using a solid state device provided with at least one potential jump barrier
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    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling a device placed within the cavity
    • H01S3/108Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling a device placed within the cavity using a non-linear optical device, e.g. exhibiting Brillouin- or Raman-scattering
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    • H01S3/05Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/07Construction or shape of active medium consisting of a plurality of parts, e.g. segments
    • HELECTRICITY
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    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13Stabilisation of laser output parameters, e.g. frequency, amplitude
    • H01S3/131Stabilisation of laser output parameters, e.g. frequency, amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
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    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/11Pulse generation, e.g. Q-switching, mode locking
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    • H01S3/0602Crystal lasers or glass lasers
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    • H01S3/14Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves characterised by the material used as the active medium
    • H01S3/22Gases
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    • H01S5/00Semiconductor lasers
    • H01S5/10Construction 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
    • H01S5/14External cavity lasers
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    • H01S3/02Constructional details
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    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium

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