Single 3.3 fs multiple plate compression light source in ultrafast transient absorption spectroscopy

Abstract Ultrafast transient absorption spectroscopy is a powerful tool to reveal excited state dynamics in various materials. Conventionally, probe pulses are generated via bulk supercontinuum generation or (noncollinear) optical parametric amplifiers whilst pump pulses are generated separately usi...

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Autores principales:	Ronnie R. Tamming, Chao-Yang Lin, Justin M. Hodgkiss, Shang-Da Yang, Kai Chen, Chih-Hsuan Lu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b793836193ce41bda32529a44361bb7d
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spelling	oai:doaj.org-article:b793836193ce41bda32529a44361bb7d2021-12-02T17:23:16ZSingle 3.3 fs multiple plate compression light source in ultrafast transient absorption spectroscopy10.1038/s41598-021-92102-52045-2322https://doaj.org/article/b793836193ce41bda32529a44361bb7d2021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-92102-5https://doaj.org/toc/2045-2322Abstract Ultrafast transient absorption spectroscopy is a powerful tool to reveal excited state dynamics in various materials. Conventionally, probe pulses are generated via bulk supercontinuum generation or (noncollinear) optical parametric amplifiers whilst pump pulses are generated separately using (noncollinear) optical parametric amplifiers. These systems are limited by either their spectral density, stability, spectral range, and/or temporal compressibility. Recently, a new intense broadband light source is being developed, the multi-plate compression, which promises to overcome these limitations. In this paper, we analyze the supercontinuum generated by a single Multiple Plate Compression system to set a benchmark for its use in the field of ultrafast pump-probe spectroscopy. We have compressed the supercontinuum to 3.3 fs using chirp mirrors alone, making it an excellent candidate for pump-probe experiments requiring high temporal resolution. Furthermore, the single light source can be used to generate both probe and pump pulses due to its high spectral density (>14.5 nJ/nm) between 490 and 890 nm. The intensity has an average shot-to-shot relative standard deviation of 4.6 % over 490 to 890 nm, calculated over 2,000 sequential shots. By using only 1,000 shot pairs, a $$\Delta T/T$$ Δ T / T noise level of $$2.6\times 10^{-4}$$ 2.6 × 10 - 4 RMS is achieved. Finally, as a proof of concept, the transient absorption spectrum of a methylammonium lead iodide perovskite film is taken, showing great signal to noise with only 1,000 shot pairs. These results show great potential for the employment of this technique in other spectroscopic techniques such as coherent multidimensional spectroscopy.Ronnie R. TammingChao-Yang LinJustin M. HodgkissShang-Da YangKai ChenChih-Hsuan LuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ronnie R. Tamming Chao-Yang Lin Justin M. Hodgkiss Shang-Da Yang Kai Chen Chih-Hsuan Lu Single 3.3 fs multiple plate compression light source in ultrafast transient absorption spectroscopy
description	Abstract Ultrafast transient absorption spectroscopy is a powerful tool to reveal excited state dynamics in various materials. Conventionally, probe pulses are generated via bulk supercontinuum generation or (noncollinear) optical parametric amplifiers whilst pump pulses are generated separately using (noncollinear) optical parametric amplifiers. These systems are limited by either their spectral density, stability, spectral range, and/or temporal compressibility. Recently, a new intense broadband light source is being developed, the multi-plate compression, which promises to overcome these limitations. In this paper, we analyze the supercontinuum generated by a single Multiple Plate Compression system to set a benchmark for its use in the field of ultrafast pump-probe spectroscopy. We have compressed the supercontinuum to 3.3 fs using chirp mirrors alone, making it an excellent candidate for pump-probe experiments requiring high temporal resolution. Furthermore, the single light source can be used to generate both probe and pump pulses due to its high spectral density (>14.5 nJ/nm) between 490 and 890 nm. The intensity has an average shot-to-shot relative standard deviation of 4.6 % over 490 to 890 nm, calculated over 2,000 sequential shots. By using only 1,000 shot pairs, a $$\Delta T/T$$ Δ T / T noise level of $$2.6\times 10^{-4}$$ 2.6 × 10 - 4 RMS is achieved. Finally, as a proof of concept, the transient absorption spectrum of a methylammonium lead iodide perovskite film is taken, showing great signal to noise with only 1,000 shot pairs. These results show great potential for the employment of this technique in other spectroscopic techniques such as coherent multidimensional spectroscopy.
format	article
author	Ronnie R. Tamming Chao-Yang Lin Justin M. Hodgkiss Shang-Da Yang Kai Chen Chih-Hsuan Lu
author_facet	Ronnie R. Tamming Chao-Yang Lin Justin M. Hodgkiss Shang-Da Yang Kai Chen Chih-Hsuan Lu
author_sort	Ronnie R. Tamming
title	Single 3.3 fs multiple plate compression light source in ultrafast transient absorption spectroscopy
title_short	Single 3.3 fs multiple plate compression light source in ultrafast transient absorption spectroscopy
title_full	Single 3.3 fs multiple plate compression light source in ultrafast transient absorption spectroscopy
title_fullStr	Single 3.3 fs multiple plate compression light source in ultrafast transient absorption spectroscopy
title_full_unstemmed	Single 3.3 fs multiple plate compression light source in ultrafast transient absorption spectroscopy
title_sort	single 3.3 fs multiple plate compression light source in ultrafast transient absorption spectroscopy
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/b793836193ce41bda32529a44361bb7d
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Single 3.3 fs multiple plate compression light source in ultrafast transient absorption spectroscopy

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