Results 121 to 130 of about 4,307 (179)
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Optics Letters, 2021
Rainbow refractometry has been used in the past to measure size and refractive index of spherical particles, typically droplets in a spray. In the present study, conventional optical configurations for point measurements or line measurements have been extended to allow also the particle position in a plane to be determined, and hence, the designation ...
Can Li +6 more
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Rainbow refractometry has been used in the past to measure size and refractive index of spherical particles, typically droplets in a spray. In the present study, conventional optical configurations for point measurements or line measurements have been extended to allow also the particle position in a plane to be determined, and hence, the designation ...
Can Li +6 more
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Optical coherence refractometry
Optics Letters, 2008We introduce a novel approach to refractometry using a low coherence interferometer at multiple angles of incidence. We show that for plane parallel samples it is possible to measure their phase refractive index rather than the group index that is usually measured by interferometric methods.
Peter H, Tomlins +4 more
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Laser Meridional Refractometry
American journal of optometry and physiological optic, 1976ABSTRACT Laser meridional refractions were undertaken on 30 subjects. The results were compared to classical subjective techniques utilizing both correlative statistics and clinical criteria. The laser meridional techniques were highly correlated with the subjective procedures and were accurate when judged by clinical criteria.
C, Haine, W, Long, R, Reading
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Journal of Microscopy, 1983
SUMMARYImmersion refractometry is based on matching the refractive index of the medium to that of the cytoplasm of the cell, in which case the latter will have minimum contrast in the phase contrast microscope and will practically disappear. The cytoplasm is then said to be at the match point with the medium. Since the refractive index of a solution is
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SUMMARYImmersion refractometry is based on matching the refractive index of the medium to that of the cytoplasm of the cell, in which case the latter will have minimum contrast in the phase contrast microscope and will practically disappear. The cytoplasm is then said to be at the match point with the medium. Since the refractive index of a solution is
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Refractometry by reflectometry
SPIE Proceedings, 1995Complex refractive index determination (refractometry) of metals can be made successfully with methods using reflectivity measurements. In this paper a brief classification of reflectivity methods with subsequent comments about their sensitivity is made. Experimental results obtained using the most suitable methods are presented.
Dan Apostol +5 more
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Synthetic aperture rainbow refractometry
Optics Letters, 2022This work proposed a synthetic aperture rainbow refractometry (SARR) by synthesizing rainbow signals of the same droplet with dual-wavelength laser beams, in order to increase the aperture of rainbow refractometry. In this way, the SARR can apply to long distance and small droplets measurement. An achromatic imaging system, which simultaneously records
Xinhao, Wang +5 more
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Proceedings. Annual meeting - American Society of Brewing Chemists, 1965
(1965). Principles of Refractometry. Proceedings. Annual meeting - American Society of Brewing Chemists: Vol. 23, Proceedings of the Annual Meeting 1965, pp. 176-186.
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(1965). Principles of Refractometry. Proceedings. Annual meeting - American Society of Brewing Chemists: Vol. 23, Proceedings of the Annual Meeting 1965, pp. 176-186.
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Archives of Ophthalmology, 1970
Three methods for simplifying the solution of the equations used in meridional refractometry are outlined: solution by time-sharing, multiple-access digital computers; solution by special-purpose analogue computer; and solution by nomogram. The advantages and the disadvantages of each method are discussed.
R F, Brubaker +2 more
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Three methods for simplifying the solution of the equations used in meridional refractometry are outlined: solution by time-sharing, multiple-access digital computers; solution by special-purpose analogue computer; and solution by nomogram. The advantages and the disadvantages of each method are discussed.
R F, Brubaker +2 more
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1994
When a ray of electromagnetic radiation strikes a flat surface at an angle, the ray may be bent upward (reflected) or bend downward (refracted) as illustrated in Fig. 27.1. Notice that the ray does not go straight through the material.
Yeshajahu Pomeranz, Clifton E. Meloan
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When a ray of electromagnetic radiation strikes a flat surface at an angle, the ray may be bent upward (reflected) or bend downward (refracted) as illustrated in Fig. 27.1. Notice that the ray does not go straight through the material.
Yeshajahu Pomeranz, Clifton E. Meloan
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