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Lee et al., 2017 - Google Patents

High-energy, sub-nanosecond linearly polarized passively Q-switched MOPA laser system

Lee et al., 2017

Document ID
7308616394335249975
Author
Lee H
Chang D
Lee E
Yoon H
Publication year
Publication venue
Optics & Laser Technology

External Links

Snippet

This study introduces a linearly polarized laser with a 0.6 J output energy and a 420 ps pulse width. Accordingly,[1 1 1]-cut Nd: YAG and [1 1 0]-cut Cr 4+: YAG crystals are used to fabricate a linearly polarized seed laser. One side of both crystals is configured with a …
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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
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
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    • 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
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    • H01S3/16Solid materials
    • H01S3/1601Solid materials characterised by an active (lasing) ion
    • H01S3/1603Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1618Solid materials characterised by an active (lasing) ion rare earth ytterbium
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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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    • H01S3/10092Coherent seed, e.g. injection locking
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