Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jun 20, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Efficient optical parametric oscillator at 1.6 microm.

L R Marshall, J Kasinski, A D Hays

    Optics Letters
    |September 24, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Histological heterogeneity in a large clinical cohort of juvenile idiopathic inflammatory myopathy: analysis by myositis autoantibody and pathological features.

    Neuropathology and applied neurobiology·2018
    Same author

    Expression of myxovirus-resistance protein A: a possible marker of muscle disease activity and autoantibody specificities in juvenile dermatomyositis.

    Neuropathology and applied neurobiology·2018
    Same author

    High-efficiency 2  μm Tm:YAP laser with a compact mechanical Q-switch.

    Optics letters·2018
    Same author

    Risk factors for Taenia saginata cysticercus infection in cattle in the United Kingdom: A farm-level case-control study and assessment of the role of movement history, age and sex.

    Preventive veterinary medicine·2016
    Same author

    Narrow-band 1 W source at 257 nm using frequency quadrupled passively Q-switched Yb:YAG laser.

    Optics express·2016
    Same author

    Improved Monoblock laser brightness using external reflector.

    Applied optics·2014
    Same journal

    Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

    Optics letters·2026
    Same journal

    E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

    Optics letters·2026
    Same journal

    Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

    Optics letters·2026
    Same journal

    Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

    Optics letters·2026
    Same journal

    Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

    Optics letters·2026
    Same journal

    Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

    Optics letters·2026
    See all related articles

    Diode-pumped Nd:YAG lasers now operate in the eye-safe region using an optical parametric oscillator. This technology achieves 25% energy conversion to 1.61 micrometers, offering scalable, high-energy output.

    Area of Science:

    • Laser Physics
    • Nonlinear Optics
    • Photonics

    Background:

    • Diode-pumped solid-state lasers are crucial for various applications.
    • Operating lasers in the eye-safe wavelength region is important for safety.
    • Optical parametric oscillators (OPOs) offer wavelength tunability.

    Purpose of the Study:

    • To extend the operating regime of diode-pumped Nd:YAG lasers into the eye-safe region.
    • To utilize an efficient optical parametric oscillator (OPO) for wavelength conversion.
    • To achieve high energy conversion efficiencies at eye-safe wavelengths.

    Main Methods:

    • Employing a diode-pumped Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) laser as the pump source.
    • Utilizing a Potassium Titanyl Phosphate (KTP) based optical parametric oscillator (OPO).

    More Related Videos

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
    10:17

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

    Published on: July 12, 2017

    Related Experiment Videos

    Last Updated: Jun 20, 2026

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
    09:23

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

    Published on: May 30, 2014

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
    10:17

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

    Published on: July 12, 2017

  • Characterizing the output energy and conversion efficiency at 1.61 micrometers.

    • Main Results:

    • Achieved operation of Nd:YAG lasers in the eye-safe region (1.61 micrometers).
    • Demonstrated total energy conversion efficiencies approaching 40% from 1.06 micrometers to signal (1.61 micrometers) and idler (3.1 micrometers).
    • Obtained 25% energy conversion efficiency solely to the 1.61 micrometer signal, with 2.5 mJ output energy and 0.8% wallplug efficiency.

    Conclusions:

    • The developed OPO system effectively extends Nd:YAG laser operation to eye-safe wavelengths.
    • High energy conversion efficiencies and output energies are achievable, demonstrating the system's viability.
    • The technology is readily scalable for higher energy applications in the eye-safe spectral region.