Browsing Τμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering by Author "Fishman, I. M."
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Article
Experimental determination of the absolute temperature modulation in photothermal microscopy of Y1Ba2Cu3O7 crystals
Studenmund, W. R.; Fishman, I. M.; Kino, G. S.; Giapintzakis, John (1997)We present a technique to experimentally determine the value of the temperature perturbation ST in photothermal microscopy. Knowledge of δT is necessary for proper analysis of the differential optical reflectivity (∂R/∂T) ...
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Article
Photothermal measurements of differential reflectivity of YBCO related to the symmetry of the superconducting order parameter
Fishman, I. M.; Studenmund, W. R.; Kino, G. S.; Giapintzakis, John (1996)We have investigated symmetry of the differential optical response of single YBCO domains in the a-b plane. As a function of temperature, this response consists of a smooth background and a sharp peak in the vicinity of ...
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Progress in photothermal microscopy of YBa2Cu3O7-x
Studenmund, W. R.; Fishman, I. M.; Kino, G. S.; Giapintzakis, John (1998)We present recent differential optical reflectivity (DOR) measurements obtained at 633 nm (2.OeV), 780 nm (1.6eV), 1064 nm (1.16eV), and 1310nm (0.95 eV). We discuss calibration techniques which can correct for variations ...
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Article
Symmetry of differential optical responses of normal and superconducting phases in single-crystal YBCO
Studenmund, W. R.; Fishman, I. M.; Kino, G. S.; Giapintzakis, John (1995)We measured differential optical reflectivity (DOR) of YBCO single domains. DOR measurements reject the temperature independent bulk reflectivity and reveal dR dT. These measurements detect the superconducting transition, ...