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Description
Creates an aspheric surface by specification of the base radius of curvature, conic constant and even order radial aspheric coefficients. The following table describes the mathematical form of the Aspheric surface.
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Relation
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Surface Sag
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Functional Form
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Navigation
This feature can be accessed by selecting Standard Asphere (Conicoid plus even order radial polynomial terms) as the surface type on the Surface tab in a surface dialog box.
Controls
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Control
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Inputs / Description
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Defaults
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Logical Parent
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Name of Parent entity.
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Custom Element Name
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Name
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Name of surface supplied by user.
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Surf n
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Description
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Description of the surface.
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Traceable
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Surface can be raytraced.
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Checked
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Use for trimming only
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Never raytrace. Surface used for trimming only.
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Unchecked
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Type
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Surface type. Select Standard Asphere
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Plane
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Surface Settings
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Rad
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Radius of curvature.
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0
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Conic
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Conic constant.
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0
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r^2. r^4, r^6...........
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Even order aspheric terms
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0
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OK
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Accept settings and close dialog box.
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Cancel
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Discard settings and close dialog box.
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Apply
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Accept settings and keep dialog box open.
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Help
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Access this Help page.
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Application Notes
Surface deformation
The Standard asphere is a sagable surface.
Related Topics
Surface types summary
Create a new surface
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Copyright © Photon Engineering, LLC
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