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Direct sampling of a light wave in air

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Title
Direct sampling of a light wave in air
Author(s)
SEUNG BEOM PARK; KYUNGSEUNG KIM; WOSIK CHO; SUNG IN HWANG; IGOR IVANOV; CHANG HEE NAM; KYUNG TAEC KIM
Publication Date
2018-04
Journal
OPTICA, v.5, no.4, pp.402 - 408
Publisher
OPTICAL SOC AMER
Abstract
Temporal characterization of a laser pulse is an essential task in many applications. Temporal characterization methods that are currently available support only a limited spectral bandwidth without information on the carrier-envelope phase (CEP) of the laser pulse or require complicated equipment in a vacuum environment. Here we demonstrate that an arbitrary time-dependent laser field can be directly sampled using subcycle tunneling ionization in a gaseous medium or in air. The subcycle ionization is used as a fast temporal gate for the direct sampling of the laser field. This unique approach enables the complete temporal characterization of the laser field, including its CEP, for a broad spectral range in ambient air, providing a universal tool for the precise measurement of the laser field. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreemen
URI
https://pr.ibs.re.kr/handle/8788114/4591
ISSN
2334-2536
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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