Ch 03 - Aberrations
... the axis) very near the paraxial focus position. As the ray height at the lens increases, the position of the ray intersection with the optical axis moves farther and farther from the paraxial focus. The distance from the paraxial focus to the axial intersection of the ray is called longitudinal sph ...
... the axis) very near the paraxial focus position. As the ray height at the lens increases, the position of the ray intersection with the optical axis moves farther and farther from the paraxial focus. The distance from the paraxial focus to the axial intersection of the ray is called longitudinal sph ...
Seeing an Image
... Put the laser on the left side of the prism Shine the laser at the prism and make sure that it comes out the right side of the prism. Use the edge of an index card to locate the beam as it enters and exits the prism. Trace the path of the light beam as you did in Part 2. (see the figure above) ...
... Put the laser on the left side of the prism Shine the laser at the prism and make sure that it comes out the right side of the prism. Use the edge of an index card to locate the beam as it enters and exits the prism. Trace the path of the light beam as you did in Part 2. (see the figure above) ...
Imaging
... A thin layer of silicon dioxide is placed on top of the electrodes. Above the silicon dioxide is a layer of n-type silicon. Finally, a thin layer of p-type silicon lies a top the ntype silicon. This creates a p-n junction that covers the electrodes. The purpose of the silicon dioxide is to separate ...
... A thin layer of silicon dioxide is placed on top of the electrodes. Above the silicon dioxide is a layer of n-type silicon. Finally, a thin layer of p-type silicon lies a top the ntype silicon. This creates a p-n junction that covers the electrodes. The purpose of the silicon dioxide is to separate ...
Light
... mirror – virtual - right-side-up and NOT able to be projected on a screen; in ‘back’ of mirror Size of Image – enlarged – image is larger than object – reduced – image is smaller than object – true – image is same size as object Orientation of Image – upright – image points in same direction as obje ...
... mirror – virtual - right-side-up and NOT able to be projected on a screen; in ‘back’ of mirror Size of Image – enlarged – image is larger than object – reduced – image is smaller than object – true – image is same size as object Orientation of Image – upright – image points in same direction as obje ...
Optics and Optoelectronics
... 1. Ray optics and its limit. Light reflection and refraction. Index of refraction. Total internal reflection. Light reflection and refraction at a plane surfaces. 2. Light reflection and refraction at a spherical surfaces. Convex and concave mirrors. Formation of images by spherical mirrors. Thin le ...
... 1. Ray optics and its limit. Light reflection and refraction. Index of refraction. Total internal reflection. Light reflection and refraction at a plane surfaces. 2. Light reflection and refraction at a spherical surfaces. Convex and concave mirrors. Formation of images by spherical mirrors. Thin le ...
image
... Why are imaging systems needed? • Each point in an object scatters the incident illumination into a spherical wave, according to the Huygens principle. • A few microns away from the object surface, the rays emanating from all object points become entangled, delocalizing object details. • To relocali ...
... Why are imaging systems needed? • Each point in an object scatters the incident illumination into a spherical wave, according to the Huygens principle. • A few microns away from the object surface, the rays emanating from all object points become entangled, delocalizing object details. • To relocali ...
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Blind Optical Aberration Correction by Exploring
... assume is the same as the image center. Neglecting the axisasymmetric error due to imperfect lens manufacturing, all types of lens aberrations, e.g. spherical aberration, coma, and chromatic aberration, would cause PSFs that are globally rotational symmetric and locally central/reflective symmetric. ...
... assume is the same as the image center. Neglecting the axisasymmetric error due to imperfect lens manufacturing, all types of lens aberrations, e.g. spherical aberration, coma, and chromatic aberration, would cause PSFs that are globally rotational symmetric and locally central/reflective symmetric. ...
Image processing in Spectral Domain Optical Coherence
... Fourier transform switches one complex valued function into another. ◦ Transforming k (wave number) into actual space. ...
... Fourier transform switches one complex valued function into another. ◦ Transforming k (wave number) into actual space. ...
lecture1
... Distortion in lens in which there is a failure to focus different wavelength rays to converge on same point. • In light it’s the different color wavelengths • In electrons shorter wavelength electrons are more energetic and have a longer focal length than longer wavelength electrons. ...
... Distortion in lens in which there is a failure to focus different wavelength rays to converge on same point. • In light it’s the different color wavelengths • In electrons shorter wavelength electrons are more energetic and have a longer focal length than longer wavelength electrons. ...
Refraction of Light
... correct vision so that the resulting lens power may not be the same as the power of the eyeglass lens needed to correct the vision ...
... correct vision so that the resulting lens power may not be the same as the power of the eyeglass lens needed to correct the vision ...
KM_958-20161014082558
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Optical aberration
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An optical aberration is a departure of the performance of an optical system from the predictions of paraxial optics. In an imaging system, it occurs when light from one point of an object does not converge into (or does not diverge from) a single point after transmission through the system. Aberrations occur because the simple paraxial theory is not a completely accurate model of the effect of an optical system on light, rather than due to flaws in the optical elements.Aberration leads to blurring of the image produced by an image-forming optical system. Makers of optical instruments need to correct optical systems to compensate for aberration.The articles on reflection, refraction and caustics discuss the general features of reflected and refracted rays.