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  1. No Access

    Chapter

    Double-passed, High-energy Quasiphase-matched Optical Parametric Chirped-pulse Amplifier

    Quasiphase-matched (QPM) optical parametric chirped-pulse amplification (OPCPA) in periodically poled materials such as periodically poled LiNbO3 (PPLN) and periodically poled KTiOPO4 (PPKTP) has been shown to ex...

    Igor Jovanovic, Nicolas Forget, Curtis G. Brown in Ultrafast Optics V (2007)

  2. Article

    Open Access

    Scrofula: emergency department presentation and characteristics

    In the US, scrofula is generally uncommon, but it may be the manifestation of disseminated tuberculosis in immunocompromised patients. Given the delay to obtain PPD results, AFB results, and cultures for TB, t...

    Nicolas Forget, Kathryn Challoner in International Journal of Emergency Medicine (2009)

  3. No Access

    Article

    Sha** up

    The use of pulse-sha** technology to optimize the temporal and spectral properties of ultrashort light pulses can enhance their utility in many applications.

    Nicolas Forget in Nature Photonics (2010)

  4. Article

    Open Access

    Effect of civil war on medical education in Liberia

    From 1980 to 2003 Liberia entered into a period of conflict and civil wars. During this time Liberia's health and educational services were severely disrupted. Equipment and supplies were stolen from the Medic...

    Kathryn R Challoner, Nicolas Forget in International Journal of Emergency Medicine (2011)

  5. No Access

    Article

    Transmission Bragg-grating grisms for pulse compression

    We design a grism compressor based on transmission gratings and high refractive index prisms to compensate for both the second- and third-order dispersions of SF57 glass at 800 nm. The use of transmission grat...

    Nicolas Forget, Vincent Crozatier, Pierre Tournois in Applied Physics B (2012)

  6. Article

    Open Access

    A versatile high-average-power ultrafast infrared driver tailored for high-harmonic generation and vibrational spectroscopy

    We report on an ultrafast infrared optical parametric chirped-pulse amplifier (OPCPA), pumped by a 200-W thin-disk Yb-based regenerative amplifier at a repetition rate of 100 kHz. The OPCPA is tunable in the s...

    Nicolas Thiré, Gourab Chatterjee, Yoann Pertot, Olivier Albert in Scientific Reports (2023)