wk5b - Simulate aberrations and ray scatter diagrams for...

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Aberrations Chromatic – is due to the fact that the refractive index of lenses, etc. varies with wavelength; therefore, focal lengths, imaging conditions, etc. are wavelength-dependent •G e o m e t r i c
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Geometrical aberrations
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Optical design Exact ray-tracing
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Optical design Exact ray-tracing ray scatter diagram ( defocus)
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Optical design 0.1cm 10cm 10cm Surface name Curvature Index to the right Distance to next element S0 Inf 1.0 0.1 S1 21.6 1.54 0.001 S2 -21.6 1.0 0.1 S3 ... ... ... S4 ... ... ...
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Features of optical design software Databases of common lenses and elements sold by vendors
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Unformatted text preview: Simulate aberrations and ray scatter diagrams for various points along the field of the system Standard optical designs (e.g. achromatic doublet, Cooke triplet) Permit optimization of design parameters (e.g. curvature of a particular surface or distance between two surfaces) vs designated functional requirements (e.g. field curvature and astigmatism coefficients) Also account for diffraction by calculating the modulation transfer function (MTF) modulation transfer function (MTF) at different points along the field Vendors Optical design Code V Oslo Zemax Accos Asap consultants Optics & opto-mechanics Newport Newfocus Coherent Opto-Sigma Thorlabs Edmund specialized shops Images removed due to copyright concerns www.optikos.com...
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wk5b - Simulate aberrations and ray scatter diagrams for...

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