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  • Title: Hybrid Q-switched broadband laser source with low timing jitter.
    Author: El Bassri F, Doutre F, Mothe N, Jaffres L, Pagnoux D, Couderc V, Jalocha A.
    Journal: Opt Express; 2012 Jan 16; 20(2):1202-12. PubMed ID: 22274464.
    Abstract:
    We present a novel broadband laser source based on a dual cavity in which a subnanosecond passively Q-switched microchip laser is coupled with a long cavity including an acousto-optic modulator (AOM) and a microstructured optical fiber working as a non linear medium. This active-passive Q-switched laser source emits pulses as short as those emitted by the free running microchip laser (~600 ps). The time pulse emission is governed by the AOM allowing tunable repetition rate from 0 to more than 4 kHz with a temporal jitter reduced to less than 50 ns, i.e. a 600-fold reduction compared to that of the free running microchip. Furthermore, thanks to spectral broadening in the microstructured fiber, this source emits a supercontinuum from 700 nm to 1700 nm.
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