Generation and compression of 10-fs deep ultraviolet pulses at high repetition rate using standard optics

The generation and characterization of ultrashort laser pulses in the deep ultraviolet spectral region is challenging, especially at high pulse repetition rates and low pulse energies. Here, we combine achromatic second harmonic generation and adaptive pulse compression for the efficient generation...

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Bibliographic Details
Published inOptics express Vol. 29; no. 16; pp. 25593 - 25604
Main Authors Bruder, Lukas, Wittenbecher, Lukas, Kolesnichenko, Pavel V., Zigmantas, Donatas
Format Journal Article
LanguageEnglish
Published 02.08.2021
Subjects
Fysik
Natural Sciences
Naturvetenskap
Physical Sciences
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Summary:The generation and characterization of ultrashort laser pulses in the deep ultraviolet spectral region is challenging, especially at high pulse repetition rates and low pulse energies. Here, we combine achromatic second harmonic generation and adaptive pulse compression for the efficient generation of sub-10 fs deep ultraviolet laser pulses at a laser repetition rate of 200 kHz. Furthermore, we simplify the pulse compression scheme and reach pulse durations of ≈10 fs without the use of adaptive optics. We demonstrate straight-forward tuning from 250 to 320 nm, broad pulse spectra of up to 63 nm width, excellent stability and a high robustness against misalignment. These features make the approach appealing for numerous spectroscopy and imaging applications.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.425053