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A comparative study on chirped-pulse upconversion and direct multichannel MCT detection
Zitieren Sie bitte immer diese URN: urn:nbn:de:bvb:20-opus-111334
- A comparative study is carried out on two spectroscopic techniques employed to detect ultrafast absorption changes in the mid-infrared spectral range, namely direct multichannel detection via HgCdTe (MCT) photodiode arrays and the newly established technique of chirped-pulse upconversion (CPU). Whereas both methods are meanwhile individually used in a routine manner, we directly juxtapose their applicability in femtosecond pump-probe experiments based on 1 kHz shot-to-shot data acquisition. Additionally, we examine different phase-matchingA comparative study is carried out on two spectroscopic techniques employed to detect ultrafast absorption changes in the mid-infrared spectral range, namely direct multichannel detection via HgCdTe (MCT) photodiode arrays and the newly established technique of chirped-pulse upconversion (CPU). Whereas both methods are meanwhile individually used in a routine manner, we directly juxtapose their applicability in femtosecond pump-probe experiments based on 1 kHz shot-to-shot data acquisition. Additionally, we examine different phase-matching conditions in the CPU scheme for a given mid-infrared spectrum, thereby simultaneously detecting signals which are separated by more than 200 cm−1.…
Autor(en): | Johannes Knorr, Philipp Rudolf, Patrick Nuernberger |
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URN: | urn:nbn:de:bvb:20-opus-111334 |
Dokumentart: | Artikel / Aufsatz in einer Zeitschrift |
Institute der Universität: | Fakultät für Chemie und Pharmazie / Institut für Physikalische und Theoretische Chemie |
Sprache der Veröffentlichung: | Englisch |
Erscheinungsjahr: | 2013 |
Originalveröffentlichung / Quelle: | Optics Express 21, 25 (2013), S. 30693 - 30706 |
DOI: | https://doi.org/10.1364/OE.21.030693 |
Allgemeine fachliche Zuordnung (DDC-Klassifikation): | 5 Naturwissenschaften und Mathematik / 54 Chemie / 541 Physikalische Chemie |
Freie Schlagwort(e): | CCD, charge-coupled device; Lithium niobate; Ultrafast spectroscopy; Upconversion; infrared spectroscopy |
Datum der Freischaltung: | 01.04.2015 |
Sammlungen: | Open-Access-Publikationsfonds / Förderzeitraum 2014 |
Lizenz (Deutsch): | Deutsches Urheberrecht |