Refractive index of adipose tissue and lipid droplet measured in wide spectral and temperature ranges

IY Yanina, EN Lazareva, VV Tuchin - Applied optics, 2018 - opg.optica.org
This study presents refractive index measurements of human and porcine adipose tissues
and lipid droplet content in the visible and near-infrared. The coefficients of the Sellmeier …

In situ measurement of seawater salinity with an optical refractometer based on total internal reflection method

J Chen, W Guo, M Xia, W Li, K Yang - Optics express, 2018 - opg.optica.org
An optical refractive index sensor used for underway seawater salinity monitoring is
proposed. Due to the empirical relation to salinity, refractive index measurement provides an …

Flowing refractometer for feed water state control in the second loop of nuclear reactor

V Davydov, I Gureeva, R Davydov, V Dudkin - Energies, 2022 - mdpi.com
The necessity to control the feed water state in the second loop of a nuclear power plant
nuclear reactor is justified. The different methods of the state control of flowing water in the …

Monitoring of temperature-mediated phase transitions of adipose tissue by combined optical coherence tomography and Abbe refractometry

IY Yanina, AP Popov, AV Bykov… - … of biomedical optics, 2018 - spiedigitallibrary.org
Observation of temperature-mediated phase transitions between lipid components of the
adipose tissues has been performed by combined use of the Abbe refractometry and optical …

The derivative method of critical-angle refractometry for attenuating media

S Koutsoumpos, P Giannios, I Stavrakas… - Journal of …, 2020 - iopscience.iop.org
Specular reflectance of monochromatic linearly polarized light, reflected on the interface of a
prism coupled to a transparent medium at the critical angle of the transition to total internal …

Real part of refractive index measurement approach for absorbing liquid

H Liu, J Ye, K Yang, M Xia, W Guo, W Li - Applied Optics, 2015 - opg.optica.org
An algorithm based on use of a reflected refractometer to measure the real part of the
refractive index (RI) for an absorbing liquid is presented. The absorption of liquid will blur the …

Determining the complex refractive index from two discrete angles in the specular reflectance profile of p polarized light

S Koutsoumpos, P Giannios… - … Science and Technology, 2022 - iopscience.iop.org
Upon illumination with p polarized light, the reflectance profile at an interface between a
front transparent and a rear attenuating medium contains two characteristic angles that can …

Technique of dual-wavelength micro-lens imaging which can eliminate thermal noise for accurate on-site concentration measurement

J He, GY Jiang, XC Zhao, YX Huang - Sensors and Actuators B: Chemical, 2018 - Elsevier
The present paper reports a novel dual-wavelength micro-lens imaging technique which
uses micro-lens as the sensor and can eliminate thermal noise for on-site real time and …

Analysis of wavelength-scale 1D depth-dependent refractive-index gradients at an interface by their effects on the internal reflectance near the critical angle

O Vázquez-Estrada, A Acevedo-Barrera… - Optics Letters, 2021 - opg.optica.org
Light's internal reflectivity near a critical angle is very sensitive to the angle of incidence and
the optical properties of the external medium near the interface. Novel applications in …

Experimental study: coolant viscosity's impact on Inconel 600's surface roughness measured using a refractometer

NFP Leksonowati, N Pamungkas… - … of Engineering and …, 2024 - journal.uny.ac.id
This paper presents an experimental study on the impact of coolant viscosity on the surface
roughness of Inconel 600 material processed using a lathe. This research employs …