TY - JOUR AU - Wahlstrand, Jared AU - Jhajj, Nihal AU - Milchberg, H C2 - Optics Letters DA - 2019-01-02 DO - https://doi.org/10.1364/OL.44.000199 LA - en M1 - 44 PB - Optics Letters PY - 2019 TI - Controlling femtosecond filament propagation using externally driven gas motion ER -