Fundamentals of Spectroradiometry

Spectroradiometry of Spatially-resolved Solar Plasma Structures

The investigation of spatially-resolved solar plasma features in terms of radiometric measurements requires concepts different from those useful for full-Sun observations. After a definition of the relevant physical quantities, formulae are derived for studies of optically-thick and optically-thin plasmas observed with both spectral and spatial resolution. Simple examples of their applications ...

Spectroradiometry for Solar Physics in Space

Realistic physical and chemical descriptions of the Sun require observations that have been made with spectroradiometrically calibrated telescopes and spectrometers, i.e., with instruments that have a known spectral responsivity. Such calibrations assure that a measured spectral radiance or irradiance is determined on a scale that is defined by the radiometric standards realised and used in lab...

Slit and Aperture Selection in Spectroradiometry

Objective measurement of dental color for age estimation by spectroradiometry.

Age-related changes in tooth color have been described previously, however, the use of dental color for age estimation in forensic odontology has been limited due to the difficulty of measuring color objectively. This study presents an objective method for determining dental color to estimate the age of an individual. Dentine color in 250 teeth from patients ranging in age from 10 to 89 years w...

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