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Davood Khodadad, Behnam Tayebi, Amin Saremi and Satyam Paul
An off-axis digital holographic interferometry technique integrated with a Mach?Zehnder interferometer based setup is demonstrated for measuring the temperature and temperature profile of a transparent medium. This technique offers several advantages: it...
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Spyridon Koutsoumpos, Panagiotis Giannios and Konstantinos Moutzouris
We present a concept that enables the determination of the complex refractive index of attenuating media from two critical angles, measured sequentially at two interfaces between a single sample and two different prisms. The proposed method is general in...
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Darrel Baumgardner, Ted Fisher, Roy Newton, Chris Roden, Pat Zmarzly, Sara Seager, Janusz J. Petkowski, Christopher E. Carr, Jan ?pacek, Steven A. Benner, Margaret A. Tolbert, Kevin Jansen, David H. Grinspoon and Christophe Mandy
The composition, sizes and shapes of particles in the clouds of Venus have previously been studied with a variety of in situ and remote sensor measurements. A number of major questions remain unresolved, however, motivating the development of an explorat...
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Mayu Hasegawa, Junpei Oi, Kyohei Yamashita, Keisuke Seto, Takayoshi Kobayashi and Eiji Tokunaga
Interfacial sensors or light modulators made of transparent dielectric materials alone.
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Zoltan Vilagosh, Alireza Lajevardipour, Dominique Appadoo, Soon Hock Ng, Saulius Juodkazis and Andrew W. Wood
The penetration depth of an evanescent wave in Attenuated Total Reflection (ATR) is dependent on the wavelength of the radiation utilised. At THz frequencies, the penetration depth into biological tissues is in the order of 0.1 to 0.5 mm; rendered pig la...
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Yuan Zheng, Dongyu Yang, Shiqing Qin and Yixin Zhang
High performance underwater wireless optical communication systems are the key to the construction of high quality underwater optical communication networks. However, seawater absorption and seawater turbulent diffraction should be the main factors limit...
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Spyridon Koutsoumpos, Panagiotis Giannios, Dimos Triantis and Konstantinos Moutzouris
At a critical angle of incidence, Fresnel reflectance at an interface between a front transparent and a rear lossy medium exhibits sensitive dependencies on the complex refractive index of the latter. This effect facilitates the design of optical sensors...
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Karol Krzempek
Photothermal spectroscopy (PTS) is a technique used for determining the composition of liquids, solids and gases. In PTS, the sample is illuminated with a radiation source, and the thermal response of the analyte (e.g., refractive index) is analyzed to g...
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Guo-Ying Ren, Xing-Hua Qu and Shuang Ding
In the precise displacement measurement based on laser interferometry, the measurement technology for the refractive index of air is widely used to improve the measurement accuracy. However, the existing measurement method of the refractive index of air ...
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Evgueni Kassianov, Larry K. Berg, Mikhail Pekour, James Barnard, Duli Chand, Jennifer Comstock, Connor Flynn, Arthur Sedlacek, John Shilling, Hagen Telg, Jason Tomlinson, Alla Zelenyuk and Jerome Fast
We examine the performance of our approach for calculating the total scattering coefficient of both non-absorbing and absorbing aerosol at ambient conditions from aircraft data. Our extended examination involves airborne in situ data collected by the U.S...
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