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Generation of intense ultrabroadband optical pulses by induced phase modulation in an argon-filled single-mode hollow Waveguide

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Title: Generation of intense ultrabroadband optical pulses by induced phase modulation in an argon-filled single-mode hollow Waveguide
Authors: Karasawa, Naoki Browse this author
Morita, Ryuji Browse this author →KAKEN DB
Shigekawa, Hidemi Browse this author
Yamashita, Mikio Browse this author →KAKEN DB
Issue Date: 1-Feb-2000
Publisher: Optical Society of America
Journal Title: Optics Letters
Volume: 25
Issue: 3
Start Page: 183
End Page: 185
Publisher DOI: 10.1364/OL.25.000183
Abstract: We experimentally demonstrate the generation of intense ultrabroadband optical pulses whose spectrum ranges from 300 to 1000 nm (700-THz bandwidth) with a well-behaved spectral phase and 23-μJ pulse energy by a novel, simple setup utilizing induced phase modulation (IPM) in an argon-filled single-mode hollow waveguide. Fundamental as well as second-harmonic pulses produced by one common femtosecond pulse from a Ti:sapphire laser-amplifier system are copropagated in the hollow waveguide. The effect of the delay time between the two input pulses on the IPM spectral broadening is clarified and confirmed to agree with the theoretical result. It is found that the compressed pulse duration from this pulse is 1.51 fs if its phase is completely compensated for.
Rights: © 2000 Optical Society of America
Type: article
URI: http://hdl.handle.net/2115/45327
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 山下 幹雄

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