Neon tunnel ionization probability in a , focus with laser pulse.
Setup of TOF assembly setup at Sandia National Laboratory target chamber. The inset shows the gas jet and field plate assembly in more detail.
OSU multishot neon TOF spectrum collected with , pulse with energy into the chamber with an focus. Data are accumulated for 22 000 shots, with chamber gas pressure of .
(a) Single shot ion TOF spectrum collected with unamplified OPCPA beam with pulse duration of and a focal spot, with Kr as sample gas. (b) Single shot ion TOF spectra (background in solid red and target gas neon in solid black) with pulse with pulse dura-tion of . Inset shows region of interest with specific ion peaks [total chamber pressure of with target gas for both shots (a) and (b)].
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