Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Mikael Siltanen"'
Autor:
Ville Kekkonen, Santhosh Kumar Pandian, Aleksey Zolotukhin, Juho Kaisto, Jarkko Piirto, Jari Liimatainen, Mikael Siltanen, Saumyadip Chaudhuri, Fergus Clarke
Publikováno v:
Applied Physics A. 122
Recent results of properties and performance of $$\hbox {WO}_3$$ gas sensing layers produced by industrial picosecond pulsed laser deposition process developed by Picodeon Ltd Oy are presented in this paper. $$\hbox {WO}_3$$ layers with controllable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88cedf33222c3fe6d2e20ca09aff8a41
https://doi.org/10.1007/s00339-016-9760-0
https://doi.org/10.1007/s00339-016-9760-0
Publikováno v:
Peltola, J, Vainio, M, Ulvila, V, Siltanen, M, Metsälä, M & Halonen, L 2012, ' Off-axis re-entrant cavity ring-down spectroscopy with a mid-infrared continuous-wave optical parametric oscillator ', Applied Physics B: Lasers and Optics, vol. 107, no. 3, pp. 839-847 . https://doi.org/10.1007/s00340-012-5074-x
We demonstrate an off-axis cavity ring-down spectroscopy system, which uses a mid-infrared continuous- wave optical parametric oscillator as a light source. Off-axis injectionwith re-entrant configuration of the ring-down cav- ity is used to achieve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f732e4d2a7f3ef90858a66016b5d584d
https://cris.vtt.fi/en/publications/a190e0dd-497a-474f-983c-f48b2205b9ca
https://cris.vtt.fi/en/publications/a190e0dd-497a-474f-983c-f48b2205b9ca
Publikováno v:
The Journal of Physical Chemistry Letters. 2:695-699
We report on the first photochemical use of a continuous-wave optical parametric oscillator (OPO) in a matrix isolation experiment. The narrow-band high-power OPO light promotes efficient conformational changes of matrix-isolated formic acid by selec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96afdf5e88f3d8bc6cea2c5b9a87a2df
https://doi.org/10.1021/jz2001858
https://doi.org/10.1021/jz2001858
A technique to assess the reliability of the second-order susceptibility determination of thin films
Autor:
Mikael Siltanen, Martti Kauranen
Publikováno v:
Optics Communications. 261:359-367
We present a detailed description of a new, statistical technique to determine the second-order susceptibility tensor of thin films [M. Siltanen, S. Cattaneo, E. Vuorimaa, H. Lemmetyinen, T.J. Katz, K.E.S. Phillips, M. Kauranen, J. Chem. Phys. 121 (2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba9b0f98405022766860edded9096b17
https://doi.org/10.1016/j.optcom.2005.12.007
https://doi.org/10.1016/j.optcom.2005.12.007
Publikováno v:
Tampere University
We present two new techniques with increased precision to determine the second-harmonic susceptibility tensor of thin films. The tensor is associated with the macroscopic structure of such samples but cannot be measured directly. Instead, it must be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a302384e3a2ae80c442a9236f1497fa1
https://doi.org/10.1142/s0218863503001614
https://doi.org/10.1142/s0218863503001614
Autor:
Markus Metsälä, Markku Vainio, Lauri Halonen, Tuomas Hieta, Juho Uotila, Jari Peltola, Mikael Siltanen, Sauli Sinisalo
Publikováno v:
Peltola, J, Vainio, M, Hieta, T, Uotila, J, Sinisalo, S, Metsälä, M, Siltanen, M & Halonen, L 2013, ' High sensitivity trace gas detection by cantilever-enhanced photoacoustic spectroscopy using a mid-infrared continuous-wave optical parametric oscillator ', Optics Express, vol. 21, no. 8, pp. 10240-10250 . https://doi.org/10.1364/OE.21.010240
Highly sensitive cantilever-enhanced photoacoustic detection of hydrogen cyanide and methane in the mid-infrared region is demonstrated. A mid-infrared continuous-wave frequency tunable optical parametric oscillator was used as a light source in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2963806aa7b49f908e9f7b17d4739797
https://cris.vtt.fi/en/publications/1ed9b55e-ea8b-42dc-801a-ab4d2da2a9ab
https://cris.vtt.fi/en/publications/1ed9b55e-ea8b-42dc-801a-ab4d2da2a9ab
Publikováno v:
Siltanen, M, Metsälä, M, Vainio, M & Halonen, L 2013, ' Experimental observation and analysis of the 3ν 1 (Σg) stretching vibrational state of acetylene using continuous-wave infrared stimulated emission ', Journal of Chemical Physics, vol. 139, no. 5, 054201 . https://doi.org/10.1063/1.4816524
We present a sensitive experimental method for molecular spectroscopy that can be used to determine ro-vibrational states using mid-infrared stimulated emission. Our infrared stimulated emission probing (IRSEP) experiment is based on using a narrow-l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1967cda040e67b55da469297a5466523
https://cris.vtt.fi/en/publications/add97042-06c8-40ff-9508-8f7ee2897222
https://cris.vtt.fi/en/publications/add97042-06c8-40ff-9508-8f7ee2897222
Publikováno v:
Optics express. 19(20)
We have constructed a singly resonant, continuous-wave optical parametric oscillator, where the signal beam resonates and is amplified by a semiconductor gain mirror. The gain mirror can significantly decrease the oscillation threshold compared to an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::210fbe199530fa087985fbc9286721a4
https://pubmed.ncbi.nlm.nih.gov/21996909
https://pubmed.ncbi.nlm.nih.gov/21996909
Publikováno v:
2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC).
Optical parametric oscillator (OPO) is a well-known nonlinear technique to convert laser light at shorter wavelengths to the middle infrared region, where normal laser sources are scarce. In particular, continuous-wave (cw) laser-like beams with narr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2df3893cc8e1ef6191afb59f09d08703
https://doi.org/10.1109/cleoe.2011.5942661
https://doi.org/10.1109/cleoe.2011.5942661
Publikováno v:
University of Helsinki
New continuous-wave singly resonant optical parametric oscillator (OPO) based on a bulk Bragg grating is presented. The OPO produces two coherent and spatially overlapping near-infrared beams with their frequency difference in the terahertz regime.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a3e7faaa7eb61270064c6b62c94732c
https://doi.org/10.1109/icimw.2010.5612517
https://doi.org/10.1109/icimw.2010.5612517