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Duarte, 2020 - Google Patents

Transparent Polycrystalline Er and Er, Cr Co-doped Al2O3 as Potential Gain Media for Lasers with an Eye Safe, 1.5 μm Emission

Duarte, 2020

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Document ID
3059499042633126810
Author
Duarte M
Publication year

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The development of solid-state lasers with emission in the eye safe region of 1.5 μm is interesting for scientific and industrial purposes including laser cutting/manufacturing, communications and surgery. In this work I present the processing and characterization of …
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    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
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    • H01S3/1616—Solid materials characterised by an active (lasing) ion rare earth thulium
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    • H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
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    • H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
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    • H01S3/1613—Solid materials characterised by an active (lasing) ion rare earth praseodymium
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    • 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
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    • H01S3/16—Solid materials
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    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling 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
    • H01S3/1063—Controlling 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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    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media

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