2024-03-29T12:41:15Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/490892022-11-17T02:08:08Zhdl_2115_20045hdl_2115_139Pulse compression of phase-matched high harmonic pulses from a time-delay compensated monochromatorIgarashi, HironoriMakida, AyumuIto, Motohiko1000090282607Sekikawa, Taroopen access©2012 Optical Society of America425Single 32.6 eV high harmonic pulses from a time-delay compensated monochromator were compressed down to 11 ± 3 fs by completely compensating for the pulse-front tilt. The photon flux was intensified up to 5.7 x 10^[9] photons/s on target by implementing high harmonic generation under a phase matching condition in a hollow fiber used for increasing the interaction length. The output photon flux on target from the monochromator was comparable to that from a small synchrotron facility, while the pulse duration was more than three orders of magnitude shorter. This high harmonic beam line fulfills two requirements for time-resolved spectroscopy in extreme ultraviolet region, namely, ultrashort pulses and high photon flux.Optical Society of America2012-02-13engjournal articleVoRhttp://hdl.handle.net/2115/49089https://doi.org/10.1364/OE.20.003725224181301094-4087Optics Express20437253732https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/49089/1/OE20-4_3725-3732.pdfapplication/pdf1.12 MB2012-02-13