[go: up one dir, main page]

Li et al., 2020 - Google Patents

Eye-safe diamond Raman laser

Li et al., 2020

View HTML
Document ID
8680625731267587614
Author
Li Y
Bai Z
Chen H
Jin D
Yang X
Qi Y
Ding J
Wang Y
Lu Z
Publication year
Publication venue
Results in Physics

External Links

Snippet

Stimulated Raman scattering, as a third-order nonlinear effect, is an effective approach to expand the laser spectral region. To obtain a high power output of a Raman laser with a specific wavelength, novel Raman gain media and laser structures have been continuously …
Continue reading at www.sciencedirect.com (HTML) (other versions)

Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01S—DEVICES USING STIMULATED EMISSION
    • H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • 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
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01S—DEVICES USING STIMULATED EMISSION
    • H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/05—Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01S—DEVICES USING STIMULATED EMISSION
    • H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • 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
    • H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01S—DEVICES USING STIMULATED EMISSION
    • H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/05—Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01S—DEVICES USING STIMULATED EMISSION
    • H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • 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
    • H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01S—DEVICES USING STIMULATED EMISSION
    • H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • 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
    • H01S3/108—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
    • H01S3/109—Frequency multiplying, e.g. harmonic generation
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01S—DEVICES USING STIMULATED EMISSION
    • H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • 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
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01S—DEVICES USING STIMULATED EMISSION
    • H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/05—Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/07—Construction or shape of active medium consisting of a plurality of parts, e.g. segments
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01S—DEVICES USING STIMULATED EMISSION
    • H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/05—Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/0619—Coatings, e.g. AR, HR, passivation layer

Similar Documents

Publication Publication Date Title
Li et al. Eye-safe diamond Raman laser
Li et al. Diamond Raman laser: a promising high-beam-quality and low-thermal-effect laser
Sennaroglu et al. Divalent (Cr2+), trivalent (Cr3+), and tetravalent (Cr4+) chromium ion-doped tunable solid-state lasers operating in the near and mid-infrared spectral regions
Findeisen et al. Self-stimulating, transversally diode pumped Nd3+: KGd (WO4) 2 Raman laser
Liu et al. Compact and flexible dual-wavelength laser generation in coaxial diode-end-pumped configuration
Zhu et al. Cascaded self-Raman laser emitting around 1.2–1.3 μm based on a c-cut Nd: YVO 4 crystal
Chen et al. Passive Q-switching of a laser-diode-pumped intracavity-frequency-doubling Nd: NYW/KTP laser with GaAs saturable absorber
Ma et al. Efficient Raman red laser with second-order stokes effect of diamond crystal
Sun et al. Efficient continuous wave and acousto-optical Q-switched Tm: Lu2O3 laser pumped by the laser diode at 1.7 μm
Wei et al. Compact mid-infrared self-optical parametric oscillator directly-pumped by diode laser based on a single Nd: MgO: PPLN crystal
Mi et al. Power improvement of a Ho: YAG power amplifier and its application to a 150 W ZGP–OPO
Chen et al. Orange, yellow and green emissions generated in Q-switched Nd: YALO3/YVO4 Raman laser
Chiang et al. Pulsed optical parametric generation, amplification, and oscillation in monolithic periodically poled lithium niobate crystals
Chen et al. Eye-safe 1.55 μm high-repetition-frequency self-Q-switched Er: Yb: Lu2Si2O7 pulse laser
Xu et al. Diode-pumped passively Q-switched Nd: YAG/SrWO4 intracavity Raman laser with high pulse energy and average output power
Zhao et al. Efficient and tunable 1.6-μm MgO: PPLN optical parametric oscillator pumped by Nd: YVO 4/YVO 4 Raman laser
Wang et al. Anisotropic laser properties of Yb: Ca3La2 (BO3) 4 disordered crystal
Li et al. Passively Q-switched laser action of Yb: LaCa4O (BO3) 3 crystal at 1.07–1.08 μm induced by 2D Bi2Te3 topological insulator
Guo et al. Efficient Nd: YAG∖ KTiOAsO4 cascaded Raman laser emitting around 1.2 μm
Quan et al. Performance of a 968-nm laser-diode side-pumped, electro-optical Q-switched Er, Pr: YAP laser with emission at 2.7 μ m
Demirbas et al. Cavity-dumped nanosecond Cr: LiSAF laser in the 985–1030 nm region for versatile seeding of Yb-based amplifiers
Zhang et al. Passively Q-switched dual-wavelength laser operation with coaxially end-pumped composite laser materials
Duan et al. Polarization-dependent YVO4 crystal Raman laser operation with 816 and 890 cm− 1 shifts
Lippert et al. Fibre-laser-pumped mid-infrared source
Liu et al. High repetition rate, 4 µm mid-infrared generation with periodically poled magnesium-oxide-doped lithium niobate based optical parametric oscillator pumped by fiber laser