Temporal Characterization of Laser Pulses Using an Air‐Based Knife‐Edge Technique
The characterization of ultrashort laser pulses is presented by using the plasma‐induced frequency‐resolved optical switching technique, implemented in ambient air. The recently developed method allows for a temporal reconstruction of a pulse at its focal spot by utilizing a moderately intense pump...
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| Format: | Article |
| Language: | English |
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Wiley-VCH
2025-01-01
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| Series: | Advanced Photonics Research |
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| Online Access: | https://doi.org/10.1002/adpr.202400074 |
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| author | Pierre Béjot Rishabh Kumar Bhalavi Adrien Leblanc Antoine Dubrouil Franck Billard Olivier Faucher Edouard Hertz |
| author_facet | Pierre Béjot Rishabh Kumar Bhalavi Adrien Leblanc Antoine Dubrouil Franck Billard Olivier Faucher Edouard Hertz |
| author_sort | Pierre Béjot |
| collection | DOAJ |
| description | The characterization of ultrashort laser pulses is presented by using the plasma‐induced frequency‐resolved optical switching technique, implemented in ambient air. The recently developed method allows for a temporal reconstruction of a pulse at its focal spot by utilizing a moderately intense pump laser pulse for generating a ionization‐induced ultrafast defocusing lens. When propagating through the produced plasma lens, the probe beam to characterize experiences an increase of its size in the far field. The spectrum of the defocused probe field, measured as a function of the pump‐probe delay, allows for a comprehensive characterization of the temporal and spectral attributes of the pulse. Herein, the ability of this technique, initially designed for use in rare gases, is reported to operate in ambient air conditions with similar performance. The method is remarkably straightforward to implement and requires no additional optical component other than a focusing mirror while delivering laser pulse reconstructions of high reliability. |
| format | Article |
| id | doaj-art-bed1b9e5452e48b4b150bede234db092 |
| institution | DOAJ |
| issn | 2699-9293 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Advanced Photonics Research |
| spelling | doaj-art-bed1b9e5452e48b4b150bede234db0922025-08-20T02:46:12ZengWiley-VCHAdvanced Photonics Research2699-92932025-01-0161n/an/a10.1002/adpr.202400074Temporal Characterization of Laser Pulses Using an Air‐Based Knife‐Edge TechniquePierre Béjot0Rishabh Kumar Bhalavi1Adrien Leblanc2Antoine Dubrouil3Franck Billard4Olivier Faucher5Edouard Hertz6Laboratoire Interdisciplinaire CARNOT de Bourgogne UMR 6303 CNRS‐Université de Bourgogne BP 47870 21078 Dijon FranceLaboratoire Interdisciplinaire CARNOT de Bourgogne UMR 6303 CNRS‐Université de Bourgogne BP 47870 21078 Dijon FranceLaboratoire d’Optique Appliquée Ecole Polytechnique ENSTA CNRS Université Paris Saclay Palaiseau 91762 FranceBatiment Gienah Cité de la Photonique Femto Easy 11 avenue de Canteranne 33600 Pessac FranceLaboratoire Interdisciplinaire CARNOT de Bourgogne UMR 6303 CNRS‐Université de Bourgogne BP 47870 21078 Dijon FranceLaboratoire Interdisciplinaire CARNOT de Bourgogne UMR 6303 CNRS‐Université de Bourgogne BP 47870 21078 Dijon FranceLaboratoire Interdisciplinaire CARNOT de Bourgogne UMR 6303 CNRS‐Université de Bourgogne BP 47870 21078 Dijon FranceThe characterization of ultrashort laser pulses is presented by using the plasma‐induced frequency‐resolved optical switching technique, implemented in ambient air. The recently developed method allows for a temporal reconstruction of a pulse at its focal spot by utilizing a moderately intense pump laser pulse for generating a ionization‐induced ultrafast defocusing lens. When propagating through the produced plasma lens, the probe beam to characterize experiences an increase of its size in the far field. The spectrum of the defocused probe field, measured as a function of the pump‐probe delay, allows for a comprehensive characterization of the temporal and spectral attributes of the pulse. Herein, the ability of this technique, initially designed for use in rare gases, is reported to operate in ambient air conditions with similar performance. The method is remarkably straightforward to implement and requires no additional optical component other than a focusing mirror while delivering laser pulse reconstructions of high reliability.https://doi.org/10.1002/adpr.202400074ionizationultrafast measurementsultrafast optics |
| spellingShingle | Pierre Béjot Rishabh Kumar Bhalavi Adrien Leblanc Antoine Dubrouil Franck Billard Olivier Faucher Edouard Hertz Temporal Characterization of Laser Pulses Using an Air‐Based Knife‐Edge Technique Advanced Photonics Research ionization ultrafast measurements ultrafast optics |
| title | Temporal Characterization of Laser Pulses Using an Air‐Based Knife‐Edge Technique |
| title_full | Temporal Characterization of Laser Pulses Using an Air‐Based Knife‐Edge Technique |
| title_fullStr | Temporal Characterization of Laser Pulses Using an Air‐Based Knife‐Edge Technique |
| title_full_unstemmed | Temporal Characterization of Laser Pulses Using an Air‐Based Knife‐Edge Technique |
| title_short | Temporal Characterization of Laser Pulses Using an Air‐Based Knife‐Edge Technique |
| title_sort | temporal characterization of laser pulses using an air based knife edge technique |
| topic | ionization ultrafast measurements ultrafast optics |
| url | https://doi.org/10.1002/adpr.202400074 |
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