Academic literature on the topic 'Refractive index matching'

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Journal articles on the topic "Refractive index matching"

1

Mavrona, Elena, Felice Appugliese, Johan Andberger, et al. "Terahertz refractive index matching solution." Optics Express 27, no. 10 (2019): 14536. http://dx.doi.org/10.1364/oe.27.014536.

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2

Wang, Jian Gang, Hua Lin Wang, Yi Fan, and Yuan Huang. "The Index Matching Method and its Application in V3V Measurements." Advanced Materials Research 1051 (October 2014): 946–50. http://dx.doi.org/10.4028/www.scientific.net/amr.1051.946.

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In imaging measurements on the fluid flow, the quality of particle image is essential to the outcomes of the velocity field. The method to eliminate the problems of refraction and reflection is to match the refractive indices of the working fluid and the surrounding solid wall. In this article, a comprehensive summary of the refractive index matching method was presented. Three fluid materials, two organic and one non-organic was used to conduct index matching and their effect were compared. Results show the perfect index matching is effective to improve the measurement accuracy of imaging measurements.
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3

Ziming Sun, J., M. C. E. Erickson, and J. W. Parr. "Refractive index matching and clear emulsions." International Journal of Cosmetic Science 27, no. 6 (2005): 355–56. http://dx.doi.org/10.1111/j.1467-2494.2005.00290_3.x.

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4

Chen, Linyu, Yuye Wang, Degang Xu, et al. "Terahertz Computed Tomography of High-Refractive-Index Objects Based on Refractive Index Matching." IEEE Photonics Journal 10, no. 6 (2018): 1–13. http://dx.doi.org/10.1109/jphot.2018.2877657.

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5

Tang, Jianxin, Chenfeng Wang, Fei Liu, Xiaoxia Yang, and Rijie Wang. "A Refractive Index- and Density-Matched Liquid–Liquid System Developed Using a Novel Design of Experiments." Processes 11, no. 7 (2023): 1922. http://dx.doi.org/10.3390/pr11071922.

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Refractive index and density matching are essential for optical measurements of neutrally buoyant liquid–liquid flows. In this study, we proposed a design of experiments (DoE) to develop refractive index and density matching systems, including objective setting, candidates screening, sampling and fitting, and a detailed matching process. Candidates screening criteria based on the density and refractive index ranges of the aqueous and organic phases were used. Using the DoE, we proposed a system with a ternary aqueous phase potassium thiocyanate (KSCN)/ammonium thiocyanate (NH4SCN) solution and m-dichlorobenzene/tripropionin solution as the organic phase to achieve the tuning of the RI and density simultaneously. Empirical correlations of the refractive index and density with respect to the concentration and temperature for the three mixtures were obtained by combining Latin hypercube sampling with binary polynomial fitting. Correlations were validated with existing data in the literature and were found to align with deviations as low as 4×10−4 for the refractive index and 2×10−3 g⋅cm−3 for the density. Using the correlations, the refractive indices for the ternary aqueous phase, the binary organic phase, and the device materials were matched to be equal. Density matching was performed for the liquid–liquid phases as well. Refractive index- and density-matched recipes could be obtained for a wide range of temperatures (15–65 °C) and device materials (PMMA, borosilicate glass, quartz, and silica gel). These recipes provide options for the optical measurement of a liquid–liquid system required to neutralize buoyancy.
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6

Keaney, Erin, John Shearer, Artee Panwar, and Joey Mead. "Refractive index matching for high light transmission composite systems." Journal of Composite Materials 52, no. 24 (2018): 3299–307. http://dx.doi.org/10.1177/0021998318764787.

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Transparent optical polymer/filler systems can be produced into complex shapes for a range of applications, such as lenses, shields, and containers. This work used refractive index liquids as a model for polymer matrices to investigate the degree of refractive index match required to maintain high transmission in an inorganic-filled polymer system (cubic calcium fluoride with particle size of 1 to 5 µm) over the visible spectrum. It was determined that in order to achieve a transparent composite (>85% transmission with 10 mm pathlength) with this filler (using literature reported dispersion data), the materials must have a refractive index match within ±0.007 for 1.6 vol.% loading. With a loading of 3.1 vol.%, the matching range required was reduced to approximately ±0.002.
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7

Ferreira, Cláudio S. "Refractive index matching applied to fecal smear clearing." Revista do Instituto de Medicina Tropical de São Paulo 47, no. 6 (2005): 347–50. http://dx.doi.org/10.1590/s0036-46652005000600007.

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Thick smears of human feces can be made adequate for identification of helminth eggs by means of refractive index matching. Although this effect can be obtained by simply spreading a fleck of feces on a microscope slide, a glycerol solution has been routinely used to this end. Aiming at practicability, a new quantitative technique has been developed. To enhance both sharpness and contrast of the images, a sucrose solution (refractive index = 1.49) is used, which reduces the effect of light-scattering particulates. To each slide a template-measured (38.5 mm³) fecal sample is transferred. Thus, egg counts and sensitivity evaluations are easily made.
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8

Stanley, K. N., D. E. Nikitopoulos, and M. A. Khan. "Bubbly pipe flow study via refractive index matching." Chemical Engineering Communications 189, no. 6 (2002): 803–26. http://dx.doi.org/10.1080/00986440212474.

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9

Budwig, R. "Refractive index matching methods for liquid flow investigations." Experiments in Fluids 17, no. 5 (1994): 350–55. http://dx.doi.org/10.1007/bf01874416.

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10

Daviero, G. J., P. J. W. Roberts, and K. Maile. "Refractive index matching in large-scale stratified experiments." Experiments in Fluids 31, no. 2 (2001): 119–26. http://dx.doi.org/10.1007/s003480000260.

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