Zobrazeno 1 - 10
of 18
pro vyhledávání: '"P. R. B. Pedreira"'
Autor:
Qing Wen, Nelson G. C. Astrath, Jun Shen, Kirk H. Michaelian, Mauro Luciano Baesso, Rafal Gieleciak, Jurandir H. Rohling, Craig Fairbridge, Francine B. Guimarães, Luis C. Malacarne, P. R. B. Pedreira
Publikováno v:
Fuel. 163:324-333
Thermophysical measurements and Raman spectroscopy were utilized to investigate 17 hydrocarbon distillates derived from Canadian oil sands in this work. Thermal lens and optical interferometer techniques were used to determine the thermal diffusivity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9984920f7e8501dec30d65d62427f471
https://doi.org/10.1016/j.fuel.2015.08.029
https://doi.org/10.1016/j.fuel.2015.08.029
Publikováno v:
physica status solidi (b). 250:983-987
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bbd1ec4df53c1c21812a87fafe24f8a
https://doi.org/10.1002/pssb.201248518
https://doi.org/10.1002/pssb.201248518
Autor:
J. Shen, Jianqin Zhou, Mauro Luciano Baesso, P. R. B. Pedreira, Antonio M. Bento, Nelson G. C. Astrath, C. E. Gu, F. B. G. Astrath, Luis C. Malacarne
Publikováno v:
Applied Physics B. 94:473-481
A complete theoretical model is presented for the thermal mirror technique under top-hat laser excitation. Considering the attenuation of the top-hat excitation laser intensity along the thickness of a sample due to its optical absorption coefficient
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78121da872b345f9f23f51fe6931ffde
https://doi.org/10.1007/s00340-008-3310-1
https://doi.org/10.1007/s00340-008-3310-1
Autor:
J. R. D. Pereira, Antonio M. Bento, Mladen Franko, M.C.E. Rollemberg, Mauro Luciano Baesso, L. R. Hirsch, A.N. Medina, P. R. B. Pedreira
Publikováno v:
Chemical Physics Letters. 396:221-225
In this work the time resolved mode mismatched thermal lens (TL) method is applied to investigate Cr(VI) species in water. An abnormal behavior of the TL transient induced by a photochemical reaction was observed during the sample excitation. The res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d64164fab5fb0ab1121373675afe45b
https://doi.org/10.1016/j.cplett.2004.07.085
https://doi.org/10.1016/j.cplett.2004.07.085
Autor:
A.N. Medina, P. R. B. Pedreira, Antonio M. Bento, J. R. D. Pereira, L. R. Hirsch, Mauro Luciano Baesso
Publikováno v:
Review of Scientific Instruments. 74:808-810
The high transparency of water makes conventional spectroscopic measurements very difficult to be performed. In this work thermal lens spectrometry is applied to determine the temperature dependence of the thermo-optical properties of distilled and d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3246deb5818b5741a31509d9ce16abff
https://doi.org/10.1063/1.1517161
https://doi.org/10.1063/1.1517161
Autor:
Antonio M. Bento, T. A. S. Albuquerque, Mauro Luciano Baesso, J. R. D. Pereira, A.N. Medina, P. R. B. Pedreira
Publikováno v:
Review of Scientific Instruments. 74:694-696
In this work time resolved thermal lens spectrometry is applied to investigate the optical properties of the following edible oils: soya, sunflower, canola, and corn oils. The experiments were performed at room temperature using the mode mismatched t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8c62e71c93dddb49d066aba8c78006d
https://doi.org/10.1063/1.1512776
https://doi.org/10.1063/1.1512776
Autor:
Luis C. Malacarne, F. B. G. Astrath, Jun Shen, Nelson G. C. Astrath, Mauro Luciano Baesso, Jianqin Zhou, P. R. B. Pedreira, P. A. Santoro, Craig Fairbridge, Kirk H. Michaelian
The temperature dependence of thermo-optical and photochemical reaction properties of hydrocarbon fuels is investigated using thermal lens spectroscopy. We consider the time dependence of the absorption coefficient due to the photoinduced chemical re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41d6f6145d0f3d15f8e15ae49cf20651
https://nrc-publications.canada.ca/eng/view/object/?id=3921ab1a-656b-4c4e-94b9-50d2c8f54498
https://nrc-publications.canada.ca/eng/view/object/?id=3921ab1a-656b-4c4e-94b9-50d2c8f54498
Publikováno v:
Measurement Science and Technology. 2:430-434
A low-cost, easy to construct, digital system for measurement of photocurrent transients in semi-insulating materials is described. The hardware and software involved are detailed. In order to improve the signal-to-noise ratio, an automatic dark curr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a263d3ac191cab01a72e58fac2905c8
https://doi.org/10.1088/0957-0233/2/5/003
https://doi.org/10.1088/0957-0233/2/5/003
Autor:
Luis C. Malacarne, Jun Shen, Jianqin Zhou, Mauro Luciano Baesso, Nelson G. C. Astrath, P. R. B. Pedreira, F. B. G. Astrath
Publikováno v:
Optics express. 16(16)
A theoretical model was developed for time-resolved thermal mirror spectroscopy under top-hat cw laser excitation that induced a nanoscale surface displacement of a low absorption sample. An additional phase shift to the electrical field of a TEM(00)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::843691771480e047eaf5fbf4fbdf3d0c
https://pubmed.ncbi.nlm.nih.gov/18679498
https://pubmed.ncbi.nlm.nih.gov/18679498
Autor:
F. B. G. Astrath, P. R. B. Pedreira, Jun Shen, Jianqin Zhou, Antonio M. Bento, Nelson G. C. Astrath, Luis C. Malacarne, Mauro Luciano Baesso
Publikováno v:
Optics letters. 33(13)
Thermal lens spectroscopy is a highly sensitive and versatile photothermal technique for material analysis, providing optical and thermal properties. To use less expensive multimode non-Gaussian lasers for quantitative analysis of low-absorption mate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a41e04763656dc0d9b0a850f39933e1
https://pubmed.ncbi.nlm.nih.gov/18594666
https://pubmed.ncbi.nlm.nih.gov/18594666