Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Kerr Johnson"'
Autor:
Kerr Johnson, Pablo Castro-Marin, Carl Farrell, Ian A. Davidson, Qiang Fu, Gregory T. Jasion, Natalie V. Wheeler, Francesco Poletti, David J. Richardson, Derryck T. Reid
Publikováno v:
Optics express. 30(5)
High-resolution multi-species spectroscopy is achieved by delivering broadband 3–4-μm mid-infrared light through a 4.5-meter-long silica-based hollow-core optical fiber. Absorptions from H37Cl, H35Cl, H2O and CH4 present in the gas within the fibe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa37fc6b0e60decee0f1c3748a1b1f02
https://pubmed.ncbi.nlm.nih.gov/35299476
https://pubmed.ncbi.nlm.nih.gov/35299476
Autor:
Pablo Castro-Marin, Kerr Johnson, Carl Farrell, Davidson, Ian A., Jasion, Gregory T., Wheeler, Natalie V., Francesco Poletti, Richardson, David J., Derryck Telford Reid
Publikováno v:
Heriot-Watt University
We report mid-infrared heterodyne spectroscopy of a sample located at the distal end of a hollow-core fiber, providing excellent sensitivity, eliminating distal-end electronics and enabling common-mode rejection of parasitic absorptions in the delive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::252f3b9d9c72be2b008c3bb687683677
https://doi.org/10.1364/cleo_at.2022.jw3a.64
https://doi.org/10.1364/cleo_at.2022.jw3a.64
Autor:
Kerr Johnson
Publikováno v:
Solid State Lasers XXX: Technology and Devices.
Optical parametric oscillators (OPOs) with broadband output in the mid-infrared are well suited for high resolution, high sensitivity multi-species infrared spectroscopy. Applications often require remote delivery, either over open-paths or via fiber
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e19e5a5675f3cf63058ced7888efe05
https://doi.org/10.1117/12.2577175
https://doi.org/10.1117/12.2577175
Publikováno v:
Nonlinear Frequency Generation and Conversion: Materials and Devices XX.
Here we report for the first time nonlinear frequency conversion in OP-GaP layers grown by hydride vapor-phase epitaxy on OP-GaAs templates. Multi-grating 3-inch wafer design enabled discrete wavelength tuning via stepped gratings, continuous tuning
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d48f6b01bbaad2b4e4d0c2ff61a78c5a
https://doi.org/10.1117/12.2583552
https://doi.org/10.1117/12.2583552
Autor:
C. Farrell, Kerr Johnson, Gregory T. Jasion, David J. Richardson, Pablo Castro-Marín, Natalie V. Wheeler, Derryck T. Reid, Ian A. Davidson, Francesco Poletti
Publikováno v:
Conference on Lasers and Electro-Optics.
Mid-infrared (mid-IR) light provides a means to identify molecules using ro-vibrational spectroscopy. Where measurement is required in a remote or hazardous environment, fibre delivery is convenient, but is limited by the scalability of fluoride and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::131ae8cef99549022d7665da28588b80
https://doi.org/10.1364/cleo_si.2021.sm4n.5
https://doi.org/10.1364/cleo_si.2021.sm4n.5
Autor:
David M. Love, James Bush, Fabian Tolle, Lindsey A Ibbotson, Boris Breiner, Neil M. Bell, Aya Shibahara, Ana-Luisa Silva, Olympia Pachoumi, Kerr Johnson, Cameron Alexander Frayling, Magdalena Stolarek, Michele Amasio, Leigh R Shelford, Podd Gareth, Mei Wu, Maciej Sosna, Barnaby Balmforth, Aurel Negrea, Douglas J Kelly, Sheridan Eoin, Edoardo Petrini, Tom H Isaac, Jasmin Chana, Paul H. Dear, Monica S Saavedra, Palmer Rebecca, Alexander Dunning, Mark Dethlefsen, Jekaterina Kuleshova
Publikováno v:
Nucleic Acids Research
A new approach to single-molecule DNA sequencing in which dNTPs, released by pyrophosphorolysis from the strand to be sequenced, are captured in microdroplets and read directly could have substantial advantages over current sequence-by-synthesis meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03b4f82429790f363dfb4d9414364712
https://pubmed.ncbi.nlm.nih.gov/31318971
https://pubmed.ncbi.nlm.nih.gov/31318971
Autor:
Yiwen Shi, Peter G. Schunemann, Kerr Johnson, C. Farrell, Marius Rutkauskas, Derryck T. Reid, Luke Maidment
Publikováno v:
Optical Materials Express. 11:654
We report for the first time nonlinear frequency conversion—specifically optical parametric oscillation—in OP-GaP layers grown by hydride vapor-phase epitaxy on 3-inch OP-GaAs templates. Continuous tuning with wavelength coverage from 3.9–12 µ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70288923b9a0261d5eb5d4f8da26520a
https://doi.org/10.1364/ome.417990
https://doi.org/10.1364/ome.417990
Publikováno v:
OSA Continuum. 3:3595
Using coherent broadband mid-infrared light from a picosecond optical parametric oscillator we introduce a flexible, easy to use, high-resolution technique which can be utilized to conduct remote stand-off, or fiber delivered, multi-species spectrosc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfa3d51df6f4dab6210b7b5140666020
https://doi.org/10.1364/osac.412207
https://doi.org/10.1364/osac.412207
Publikováno v:
IndraStra Global.
We report a blue-emitting random copolymer (termed modified Aryl-F8) consisting of three repeat units of polydioctylfluorene (F8), Aryl-polydioctylfluorene (Aryl-F8), and an aromatic amine comonomer unit, poly(bis-N,Ν′-(4-butylphenyl)-bis-N,N′-p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dcad6ad097d96aaf57e519c7065a5f5d
https://igi.indrastra.com/items/show/52394
https://igi.indrastra.com/items/show/52394
Autor:
Akshay Rao, Riccardo Di Pietro, Richard H. Friend, Simon Gélinas, Mark W. Wilson, Jenny Clark, Kerr Johnson
Publikováno v:
Journal of the American Chemical Society. 135:16680-16688
We use transient absorption spectroscopy to demonstrate that the dynamics of singlet exciton fission in tetracene are independent of temperature (10–270 K). Low-intensity, broad-band measurements allow the identification of spectral features while
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46f2a9b74720767479fda8853ecb96b0
https://doi.org/10.1021/ja408854u
https://doi.org/10.1021/ja408854u