Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Francisco Senna Vieira"'
Publikováno v:
Photonics, Vol 9, Iss 4, p 222 (2022)
Vernier spectroscopy is a frequency comb-based technique employing optical cavities for filtering of the comb and for enhancement of the interaction length with the sample. Depending on the ratio of the cavity free spectral range and the comb repetit
Externí odkaz:
https://doaj.org/article/d3db35a341f9432cae8996ae140a7da3
Autor:
Grzegorz Sobon, Chuang Lu, Isak Silander, Aleksandra Foltynowicz, Francisco Senna Vieira, Aleksander Gluszek
Publikováno v:
Scopus-Elsevier
Lu, C, Vieira, F S, Głuszek, A, Silander, I, Sobon, G & Foltynowicz, A 2021, ' Robust, fast and sensitive near-infrared continuous-filtering Vernier spectrometer ', Optics Express, vol. 29, no. 19, pp. 30155-30167 . https://doi.org/10.1364/OE.435576
Lu, C, Vieira, F S, Głuszek, A, Silander, I, Sobon, G & Foltynowicz, A 2021, ' Robust, fast and sensitive near-infrared continuous-filtering Vernier spectrometer ', Optics Express, vol. 29, no. 19, pp. 30155-30167 . https://doi.org/10.1364/OE.435576
We present a new design of a robust cavity-enhanced frequency comb-based spectrometer operating under the continuous-filtering Vernier principle. The spectrometer is based on a compact femtosecond Er-doped fiber laser, a medium finesse cavity, a diff
Publikováno v:
SSRN Electronic Journal.
Autor:
Aleksander Gluszek, Matthias Germann, Chuang Lu, Arkadiusz Hudzikowski, Adrian Hjalten, Francisco Senna Vieira, Michael Stuhr, Grzegorz Sobon, Ibrahim Sadiek, Dorota Tomaszewska, Aleksandra Foltynowicz, Karol Krzempek
Publikováno v:
Proceedings of the 2021 International Symposium on Molecular Spectroscopy.
Autor:
Francisco Senna Vieira, Adrian Hjalten, Aleksandra Foltynowicz, Ibrahim Sadiek, Matthias Germann, Michael Stuhr, Chuang Lu
Publikováno v:
Hjältén, A, Sadiek, I, Lu, C, Vieira, F S, Stuhr, M, Germann, M & Foltynowicz, A 2021, High-resolution measurements of halogenated volatile organic compounds using frequency comb fourier transform spectroscopy . in 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) ., paper ed_1_3, IEEE Institute of Electrical and Electronic Engineers, Optics InfoBase Conference Papers, 2021 European Quantum Electronics Conference, EQEC 2021-Part of 2021 Conference on Lasers and Electro-Optics Europe, CLEO 2021, Virtual, Online, Germany, 21/06/21 . https://doi.org/10.1109/CLEO/Europe-EQEC52157.2021.9541981
Scopus-Elsevier
Scopus-Elsevier
Halogenated volatile organic compounds (HVOCs) play an important role in the photo-chemistry of the atmosphere, for example in ozone depletion [1] . They are produced naturally in the oceans but are also used in industrial and agricultural applicatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9497089ee26b0336235125d95fc3bf96
https://cris.vtt.fi/en/publications/5b797274-f47d-4c02-87af-375238ae461f
https://cris.vtt.fi/en/publications/5b797274-f47d-4c02-87af-375238ae461f
Autor:
Michael Stuhr, Adrian Hjalten, Matthias Germann, Aleksandra Foltynowicz, Arkadiusz Hudzikowski, Dorota Tomaszewska, Chuang Lu, Aleksander Gluszek, Ibrahim Sadiek, Francisco Senna Vieira, Karol Krzempek, Grzegorz Sobon
Publikováno v:
Hjältén, A, Germann, M, Sadiek, I, Lu, C, Vieira, F S, Krzempek, K, Hudzikowski, A, Głuszek, A, Tomaszewska, D, Stuhr, M, Soboń, G & Foltynowicz, A 2021, Fourier transform spectroscopy using difference frequency generation comb sources at 3.3 µm and 7.8 µm . in Optical Sensors 2021 ., JTu4D.3, Optical Society of America OSA, Optics InfoBase Conference Papers, Applied Industrial Spectroscopy, AIS 2021-Part of Optical Sensors and Sensing Congress 2021, Virtual, Online, United States, 19/07/21 . https://doi.org/10.1364/AIS.2021.JTu4D.3
Scopus-Elsevier
Scopus-Elsevier
We use offset-frequency-free difference frequency generation comb sources and a Fourier transform spectrometer with comb-mode-width limited resolution to measure and analyze spectra of molecular species of atmospheric relevance: CH3I and CH2Br2 aroun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08cefa8bea145f88c5429d2026ee9a74
https://doi.org/10.1364/AIS.2021.JTu4D.3
https://doi.org/10.1364/AIS.2021.JTu4D.3
Autor:
Adam Wąż, Jarosław Sotor, Grzegorz Sobon, Arkadiusz Hudzikowski, Francisco Senna Vieira, Aleksander Gluszek, Aleksandra Foltynowicz
Publikováno v:
Głuszek, A, Senna Vieira, F, Hudzikowski, A, Wąż, A, Sotor, J, Foltynowicz, A & Soboń, G 2020, ' Compact mode-locked Er-doped fiber laser for broadband cavity-enhanced spectroscopy ', Applied Physics B: Lasers and Optics, vol. 126, no. 8, 137 . https://doi.org/10.1007/s00340-020-07489-2
We report the design and characteristics of a simple and compact mode-locked Er-doped fiber laser and its application to broadband cavity-enhanced spectroscopy. The graphene mode-locked polarization maintaining oscillator consumes less than 5 W of po
Autor:
Ibrahim Sadiek, Michael Stuhr, Adrian Hjalten, Francisco Senna Vieira, Chuang Lu, Aleksandra Foltynowicz
Publikováno v:
Scopus-Elsevier
Sadiek, I, Hjalten, A, Stuhr, M, Lu, C, Vieira, F S & Foltynowicz, A 2020, Mid-Infrared Comb-Based Fourier Transform Spectroscopy of Halogenated Volatile Organic Compounds . in CLEO: Science and Innovations : Conference on Lasers and Electro-Optics CLEO 2020 ., paper SM1M.8, IEEE Institute of Electrical and Electronic Engineers, Conference Proceedings-Lasers and Electro-Optics Society Annual Meeting-LEOS, vol. 2020-May, 2020 Conference on Lasers and Electro-Optics, CLEO 2020, San Jose, United States, 10/05/20 . https://doi.org/10.1364/CLEO_SI.2020.SM1M.8
Sadiek, I, Hjalten, A, Stuhr, M, Lu, C, Vieira, F S & Foltynowicz, A 2020, Mid-Infrared Comb-Based Fourier Transform Spectroscopy of Halogenated Volatile Organic Compounds . in CLEO: Science and Innovations : Conference on Lasers and Electro-Optics CLEO 2020 ., paper SM1M.8, IEEE Institute of Electrical and Electronic Engineers, Conference Proceedings-Lasers and Electro-Optics Society Annual Meeting-LEOS, vol. 2020-May, 2020 Conference on Lasers and Electro-Optics, CLEO 2020, San Jose, United States, 10/05/20 . https://doi.org/10.1364/CLEO_SI.2020.SM1M.8
Broadband high-resolution spectra of two key atmospheric species, methyl iodide (CH3I) and dibromomethane (CH2Br2), are measured around 3 μm using a comb-based Fourier transform spectrometer and assigned with the help of the semi-automatic fitting i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9aea217d0e398254ad7fc6f630a23b4
https://doi.org/10.1364/CLEO_SI.2020.SM1M.8
https://doi.org/10.1364/CLEO_SI.2020.SM1M.8
Autor:
Chuang Lu, Francisco Senna Vieira, Aleksandra Foltynowicz, Ibrahim Sadiek, Michael Stuhr, Adrian Hjalten
Publikováno v:
Sadiek, I, Hjältén, A, Senna Vieira, F, Lu, C, Stuhr, M & Foltynowicz, A 2020, ' Line positions and intensities of the ν 4 band of methyl iodide using mid-infrared optical frequency comb Fourier transform spectroscopy ', Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 255, 107263 . https://doi.org/10.1016/j.jqsrt.2020.107263
We use optical frequency comb Fourier transform spectroscopy to measure high-resolution spectra of iodomethane, CH3I, in the C[sbnd]H stretch region from 2800 to 3160 cm-1. The fast-scanning Fourier transform spectrometer with auto-balanced detection
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b92ebb469e32033ad98fc0ef2dc3b9b4
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-176794
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-176794
Autor:
Aleksandra Foltynowicz, Chuang Lu, Aleksander Giuszek, Grzegorz Sobon, Francisco Senna Vieira, Isak Silander
Publikováno v:
Scopus-Elsevier
Vieira, F S, Lu, C, Silander, I, Głuszek, A, Soboń, G & Foltynowicz, A 2020, Continuous-filtering Vernier spectrometer with improved design and performance . in Laser Applications to Chemical, Security and Environmental Analysis ., LTu3C.5, Optical Society of America OSA, Optics InfoBase Conference Papers, Laser Applications to Chemical, Security and Environmental Analysis, LACSEA 2020-Part of Optical Sensors and Sensing Congress 2020, Virtual, Online, United States, 22/06/20 . https://doi.org/10.1364/LACSEA.2020.LTu3C.5
Vieira, F S, Lu, C, Silander, I, Głuszek, A, Soboń, G & Foltynowicz, A 2020, Continuous-filtering Vernier spectrometer with improved design and performance . in Laser Applications to Chemical, Security and Environmental Analysis ., LTu3C.5, Optical Society of America OSA, Optics InfoBase Conference Papers, Laser Applications to Chemical, Security and Environmental Analysis, LACSEA 2020-Part of Optical Sensors and Sensing Congress 2020, Virtual, Online, United States, 22/06/20 . https://doi.org/10.1364/LACSEA.2020.LTu3C.5
We present a robust cavity-enhanced comb-based spectrometer with a 6.6 GHz resolution and 60 Hz acquisition rate, based on the continuous-filtering Vernier principle, a fixed diffraction grating, a custom-made chopper wheel, and a low-bandwidth comb-