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Agnesi et al., 2011 - Google Patents

Femtosecond Nd: glass lasers pumped by single-mode laser diodes and mode locked with carbon nanotube or semiconductor saturable absorber mirrors

Agnesi et al., 2011

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Document ID
4822684834967954741
Author
Agnesi A
Greborio A
Pirzio F
Ugolotti E
Reali G
Choi S
Rotermund F
Griebner U
Petrov V
Publication year
Publication venue
IEEE Journal of Selected Topics in Quantum Electronics

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Snippet

In this paper, single-mode 200-mW laser diodes have been demonstrated to be very effective pump devices for low-power Nd: glass lasers, yielding the remarkable continuous wave (cw) slope efficiency of 46.5% for silicate and 58.2% for phosphate glasses …
Continue reading at www.academia.edu (PDF) (other versions)

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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
    • H01S3/09415—Processes 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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    • H01S3/14—Lasers, 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
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
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    • H01S3/16—Solid materials
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    • H01S3/11—Pulse generation, e.g. Q-switching, mode locking
    • H01S3/1106—Mode locking
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    • 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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    • H01S3/108—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 non-linear optical device, e.g. exhibiting Brillouin- or Raman-scattering
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