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Feasibility of dual comb spectroscopy in the UV range using a free-running, bidirectional ring titanium sapphire laser
- Source :
- EPJ Web of Conferences, Vol 287, p 07019 (2023)
- Publication Year :
- 2023
- Publisher :
- EDP Sciences, 2023.
-
Abstract
- We show that our developed free-running, bidirectional ring Ti:Sa laser cavity meets the requirements for Dual Comb Spectroscopy in the UV range (UV-DCS). Two counter-propagative frequency combs with slightly different repetition rate are generated in such a cavity and we show quantitatively that this repetition rate difference can be explained by the self-steepening effect. Molecular absorption lines of the O2 A-band centered around 760~nm are measured with a 1,5 GHz spectral resolution, demonstrating that the mutual coherence of the two combs allows GHz-resolution DCS measurements. Moreover, we demonstrate that the generated output peak power allows for efficient second harmonic generation (SHG), in the scope of developing laboratory and open-path UV-DCS experiments.
Details
- Language :
- English
- ISSN :
- 2100014X
- Volume :
- 287
- Database :
- Directory of Open Access Journals
- Journal :
- EPJ Web of Conferences
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.645d2fd54b34afcab72cc06ad4ebb2a
- Document Type :
- article
- Full Text :
- https://doi.org/10.1051/epjconf/202328707019