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Photonic Devices - Couplers
... A basic photonic device used to split or combine light to or from different fibres. A building block of “passive optical networks”. ...
... A basic photonic device used to split or combine light to or from different fibres. A building block of “passive optical networks”. ...
39 Steps
... time to scan the larger image and possibly cause more bleaching. The optics or the scanning mirrors can introduce geometrical distortion that can result in discordance between the shape of the object and the image. The environment is important: vibration and stray electromagnetic fields can be cause ...
... time to scan the larger image and possibly cause more bleaching. The optics or the scanning mirrors can introduce geometrical distortion that can result in discordance between the shape of the object and the image. The environment is important: vibration and stray electromagnetic fields can be cause ...
Two Quick Light Experiments
... Electromagnet waves have a number of directions associated with them. As shown in the above figure, the electric field points along one direction (y in this case); the magnetic field points in another direction (z in this case); and the wave moves in another direction (x in this case). The direction ...
... Electromagnet waves have a number of directions associated with them. As shown in the above figure, the electric field points along one direction (y in this case); the magnetic field points in another direction (z in this case); and the wave moves in another direction (x in this case). The direction ...
Background: Polarimetry is the measurement and interpretation of
... Types of steroisomerism: geometric and optical isomerisms. Here in this lab we will talk about optical isomers (enantiomers). ...
... Types of steroisomerism: geometric and optical isomerisms. Here in this lab we will talk about optical isomers (enantiomers). ...
9-5 Huygens principle
... effective distance traveled by a light ray (if it travels through a dense material of index n the effective distance is n times greater than the actual distance) Small variations in the path taken by a light ray must not affect the optical path length d(OPL)=0 for the path taken by a light ray (noti ...
... effective distance traveled by a light ray (if it travels through a dense material of index n the effective distance is n times greater than the actual distance) Small variations in the path taken by a light ray must not affect the optical path length d(OPL)=0 for the path taken by a light ray (noti ...
doc - The Crowned Anarchist Literature
... distances, and of certain optical phenomena. Because the instrument measures distances in terms of light waves, it permits the definition of the standard meter in terms of the wavelength of light (see Metric System). Many forms of the instrument are used, but in each case two or more beams of light ...
... distances, and of certain optical phenomena. Because the instrument measures distances in terms of light waves, it permits the definition of the standard meter in terms of the wavelength of light (see Metric System). Many forms of the instrument are used, but in each case two or more beams of light ...
Lesson-2 Light Microscopy
... Conjugate foci: Object placed at one end of lens will form a clear image on a screen kept at other side of lens. Conjugate foci vary in position. If object is nearer the lens, the image will be formed further away, at a greater magnification and inverted. This “real” image is formed by objective len ...
... Conjugate foci: Object placed at one end of lens will form a clear image on a screen kept at other side of lens. Conjugate foci vary in position. If object is nearer the lens, the image will be formed further away, at a greater magnification and inverted. This “real” image is formed by objective len ...
optical properties of dielectric mirrors, produced by large area glass
... steps, as the light moves form one layer to another, and back. The translucent, or semi transparent mirror properties, is based on multilayer structure of dielectric materials, combining the high and low refractive indexes. Semi transparent mirrors are also called beam-splitters. This type of coatin ...
... steps, as the light moves form one layer to another, and back. The translucent, or semi transparent mirror properties, is based on multilayer structure of dielectric materials, combining the high and low refractive indexes. Semi transparent mirrors are also called beam-splitters. This type of coatin ...
9.Wave Properties
... What are optical fibres? Optical fibres are thin strands of solid glass, about the size of a human hair. They are widely used in communication, medicine, lighting and as sensors. The first transatlantic telephone cable to use optical fibres went into operation in 1988. Optical fibres can transmit l ...
... What are optical fibres? Optical fibres are thin strands of solid glass, about the size of a human hair. They are widely used in communication, medicine, lighting and as sensors. The first transatlantic telephone cable to use optical fibres went into operation in 1988. Optical fibres can transmit l ...
PHE-09 (2007
... v) Under what condition(s) unpolarised light reflected at the interface separating two media of different refractive indices become plane polarised. ...
... v) Under what condition(s) unpolarised light reflected at the interface separating two media of different refractive indices become plane polarised. ...
Retroreflector
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A retroreflector (sometimes called a retroflector or cataphote) is a device or surface that reflects light back to its source with a minimum of scattering. In a retroreflector an electromagnetic wavefront is reflected back along a vector that is parallel to but opposite in direction from the wave's source. The angle of incidence at which the device or surface reflects light in this way is greater than zero, unlike a planar mirror, which does this only if the mirror is exactly perpendicular to the wave front, having a zero angle of incidence.