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Title: Spatio-spectral characterization of broadband fields using multispectral imaging

Journal Article · · Optics Express
DOI:https://doi.org/10.1364/OE.26.033387· OSTI ID:1484957

Spatiotemporal coupling in the field of ultrashort optical pulses is a technical enabler for applications but can result in detrimental effects such as increased on-target pulse duration and decreased intensity. Spectrally resolved spatial-phase measurements of a broadband field are demonstrated using a custom multispectral camera combined with two different wavefront sensors: a multilateral spatial shearing interferometer based on an amplitude checkerboard mask and an apodized imaged Hartmann sensor. Here, the spatially and spectrally resolved phase is processed to quantify the commonly occurring pulse-front tilt and radial group delay, which are experimentally found to be in good agreement with models.

Research Organization:
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Contributing Organization:
Laboratory for Laser Energetics, University of Rochester
Grant/Contract Number:
NA0001944
OSTI ID:
1484957
Alternate ID(s):
OSTI ID: 1485274
Report Number(s):
2018-210, 1453; OPEXFF
Journal Information:
Optics Express, Journal Name: Optics Express Vol. 26 Journal Issue: 25; ISSN 1094-4087
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 12 works
Citation information provided by
Web of Science

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Cited By (3)

Spatio-temporal structure of a petawatt femtosecond laser beam journal June 2019
Arbitrarily distorted 2-dimensional pulse-front measurement and reliability analysis journal January 2019
Complex spatiotemporal coupling distortion pre-compensation with double-compressors for an ultra-intense femtosecond laser journal January 2019

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