Carbon K-Edge Soft X-Rays driven by a 3 µm, 1 kHz OPCPA laser system

Daniel Carlson, Drew Morrill, Will Hettel, Jeremy Thurston, Grzegorz Golba, Daniel Lesko, Scott Diddams, Henry Kapteyn, Margaret Murnane, and Michael Hemmer

Abstract

We report the generation of soft X-ray radiation up to the carbon K-edge (284 eV) in nitrogen gas driven by a millijoule-class 3 µm OPCPA featuring 135 fs pulses at 1 kHz repetition rate.