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  Hybrid CO2-Ti:sapphire laser with tunable pulse duration for mid-infrared-pump terahertz-probe spectroscopy

Budden, M., Gebert, T., & Cavalleri, A. (2021). Hybrid CO2-Ti:sapphire laser with tunable pulse duration for mid-infrared-pump terahertz-probe spectroscopy. Optics Express, 29(3), 3575-3583. doi:10.1364/OE.415140.

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https://arxiv.org/abs/2011.11448 (Preprint)
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https://dx.doi.org/10.1364/OE.415140 (Publisher version)
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 Creators:
Budden, M.1, Author              
Gebert, T.1, Author              
Cavalleri, A.1, 2, Author              
Affiliations:
1Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938293              
2Department of Physics, Clarendon Laboratory, University of Oxford, ou_persistent22              

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 Abstract: We describe a mid-infrared pump – terahertz-probe setup based on a CO2 laser seeded with 10.6 μm wavelength pulses from an optical parametric amplifier, itself pumped by a Ti:Al2O3 laser. The output of the seeded CO2 laser produces high power pulses of nanosecond duration, which are synchronized to the femtosecond laser. These pulses can be tuned in pulse duration by slicing their front and back edges with semiconductor-plasma mirrors irradiated by replicas of the femtosecond seed laser pulses. Variable pulse lengths from 5 ps to 1.3 ns are achieved, and used in mid-infrared pump, terahertz-probe experiments with probe pulses generated and electro-optically sampled by the femtosecond laser.

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Language(s): eng - English
 Dates: 2020-12-272020-11-172020-12-272021-01-212021-02-01
 Publication Status: Published in print
 Pages: 9
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: arXiv: 2011.11448
DOI: 10.1364/OE.415140
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Title: Optics Express
  Abbreviation : Opt. Express
Source Genre: Journal
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Publ. Info: Washington, DC : Optical Society of America
Pages: - Volume / Issue: 29 (3) Sequence Number: - Start / End Page: 3575 - 3583 Identifier: ISSN: 1094-4087
CoNE: https://pure.mpg.de/cone/journals/resource/954925609918