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Myanmar Historical Research Journal; Myanmar Medical Journal This page was last edited on 21 February 2023, at 05:08 (UTC). Text is available under the Creative ...
Tun Thura Thet (Burmese: ထွန်းသူရသက်) is a Burmese technology specialist, a technopreneur and an academic.. Dr. Tun is the founder and chairman of Myanmar Information Technology (MIT) Pte Ltd, [1] the leading software development and System Integration Company in Myanmar; Chief Solution Architect and director of Nirvasoft Pte Ltd, a Singapore based software company ...
Light rays in homogeneous media are straight. They bend at the interface between two dissimilar media and may be curved in a medium in which the refractive index changes. Geometric optics describes how rays propagate through an optical system. Objects to be imaged are treated as collections of independent point sources, each producing spherical ...
A light field, or lightfield, is a vector function that describes the amount of light flowing in every direction through every point in a space. The space of all possible light rays is given by the five-dimensional plenoptic function, and the magnitude of each ray is given by its radiance.
A solar-pumped laser (or solar-powered laser) is a laser that shares the same optical properties as conventional lasers such as emitting a beam consisting of coherent electromagnetic radiation which can reach high power, but which uses solar radiation for pumping the lasing medium.
For light rays travelling from a material with a high index of refraction to a material with a low index of refraction, Snell's law predicts that there is no θ 2 when θ 1 is large. In this case, no transmission occurs; all the light is reflected. This phenomenon is called total internal reflection and allows for fibre optics technology. As ...
Gamma rays, at the high-frequency end of the spectrum, have the highest photon energies and the shortest wavelengths—much smaller than an atomic nucleus. Gamma rays, X-rays, and extreme ultraviolet rays are called ionizing radiation because their high photon energy is able to ionize atoms, causing chemical reactions. Longer-wavelength ...
The rays refracted by a non-flat surface form caustics where many of them cross. Concentration of light, especially sunlight, can burn. The word caustic, in fact, comes from the Greek καυστός, burnt, via the Latin causticus, burning. A common situation where caustics are visible is when light shines on a drinking glass.