VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
  • Compensation of optical nonlinearities in a femtosecond laser system in a broad operation regime
    Černe, Luka, 1991- ; Šušnjar, Peter ; Petkovšek, Rok, fizik
    We present here a detailed study of a compact and tunable nonlinear phase pre-compensation method based on a tunable chirped fiber Bragg grating (TCFBG) applied to an ultrafast fiber laser system. ... Frequency resolved optical gating (FROG) measurements reveal a significant variation in the output pulse shape due to the variation in accumulated nonlinear phase for varying pulse energy and repetition rate (even if the pulse energy is kept constant) of the laser system. The TCFBG, used as a stretcher and a pre-compensating element in this chirped fiber amplification (CPA) system, eliminates the need for additional pulse shaping components which greatly simplifies the system for tunable pre-compensation. We demonstrate an efficient pre-compensation of the accumulated nonlinear phase between 0 and 14 rad resulting in pulses with a constant pulse duration and Strehl ratio over a broad operating regime of the laser with repetition rates ranging from 100 kHz up to 30 MHz and pulse energies spanning from 1 [micro]J up to 70 [micro]J.
    Vir: Optics and laser technology. - ISSN 0030-3992 (Vol. 135, Mar. 2021, str. 1-9)
    Vrsta gradiva - članek, sestavni del
    Leto - 2021
    Jezik - angleški
    COBISS.SI-ID - 36354563

    Povezava(-e):

    https://www.sciencedirect.com/science/article/pii/S0030399220313396
    Repozitorij Univerze v Ljubljani – RUL
    DOI

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