Spatio-temporal characterization of ultrashort light pulses by structured sampling with a single-pixel detector

被引：0

作者：

Ordonez-Perez, Mitzi ^{[1
]}

Clemente-Pesudo, Pedro J. ^{[1
,2
]}

Ordonez-Angamarca, Luis ^{[1
]}

Ipus, Erick ^{[1
]}

Lenz, Armin M. ^{[1
]}

Minguez-Vega, Gladys ^{[1
]}

Tajahuerce, Enrique ^{[1
]}

机构：

[1] Univ Jaume 1, Inst New Imaging Technol INIT, GROC UJI, Castellon de La Plana 12071, Spain

[2] Univ Jaume 1, SCIC, Castellon de La Plana, Spain

来源：

FRONTIERS IN ULTRAFAST OPTICS:BIOMEDICAL, SCIENTIFIC, AND INDUSTRIAL APPLICATIONS XXIV | 2024年 / 12875卷

关键词：

Single-pixel imaging; structured illumination; ultrafast pulses; nonlinear optics; compressive-sensing; digital micromirror device; AMPLITUDE; FIELD;

D O I：

10.1117/12.3001745

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

We propose a novel approach employing structured sampling and a single- pixel detector to measure, simultaneously, the spatial profile and the spatially resolved temporal profile of a femtosecond laser beam with an autocorrelation method. The experimental system integrates a digital mirror device (DMD) into a conventional autocorrelation setup. An experimental comparison with a raster scanning method illustrates the advantages of this setup, achieving comparable accuracy with reduced energy levels. This study introduces a promising technique for the precise characterization of ultrafast laser pulses, with potential applications in various fields that demand accurate spatial and temporal measurements as material processing or imaging applications.

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页数：5

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