OptiCAD^® and EquationCAD^tm Capabilities

The Best Value in Illumination Software

OptiCAD^®

• 3-D solid models of optical components.
• Established in 1987.
• 1,000+ copies world-wide.
• One integrated version, no costly add-ons
• 100% non-sequential ray traces, no ports, no special modes of operation, no limited list of objects.
• Price includes 1 year of support/upgrades.
• Both source and observer (reverse) ray tracing.
• [New] C.I.E. chromaticity & tristimulus values from selected point on Radiometer,  shown on chromaticity diagram.
• Surface properties grouping for easier data entry.
• [New] File based wavelength, index of refraction, absorptance, scattering, fluorescence (up to 100 wavelengths).
• Object grouping for easier subassembly translation and rotation.
• Polarization ray tracing of thin film stacks (angle dependent dielectric coatings) and uncoated (fresnel reflection) surfaces.
• Independent reflection and transmission: analyzers, waveplates, and Jones matrices.
•  Initial polarization may be specified globally, or independently for each source in source local coordinates.
• Surface and volume scattering can  launch multiple rays, scattered rays can induce multiray fluorescence.
• Surface and volume fluorescence can  launch multiple rays, fluorescent rays can undergo multiray scattering.
• Multispectral tabular user specified index of refraction and volumetric absorptance.
• Multispectral tabular user specified volumetric scattering/anisotropy.
• Partial Polarization ray tracing: User specifies initial fraction polarized.  Uncoated and coated surfaces, and Jones matrices polarizes light. User specified angle and wavelength dependent equation depolarizes light.
• Birefringent materials: simultaneous raytracing of ordinary and extraordinary rays, with anisotropic absorptance, allows multiple birefringent components.
• Multispectral tabular user specified extra-ordinary index of refraction and extra-ordinary volumetric absorptance.
• Optically active media modeling (LCD twist)
• Bitmap based active media models LCD pixels.
• Both native and CAD objects.
• Two and three surface lenses, aspherics (odd and even terms), aspheric torroids, cylinders, fresnel lenses, spheres, paraboloids, hyberboloids, compound parabolic concentrators (C.P.C.s), EquationCAD generated surfaces, and glued solids.
• Paraxial spherical and cylindrical lenses.
• Integrated Bi-directional CAD import/export.
• CAD import of both surfaces and solids as NURBS Breps.
• Read/Write: IGES, STEP, 3DM  (OpenNURBS 4.0 - Rhino).
• Efficient Voxel based NURBS raytracing.
• CAD export of objects with full functionality for later reimport.
• CAD object healing.
• Polygonally faceted objects.
• STL import as Polygonally faceted object or  NURBS object.
• Smooth non-tessellated surfaces.
• Perturbed ray direction and perturbed local surface normal surface scattering models.
• Surface scattering based on equations & measured BRDF/BTDF tabular data.
• Importance sampling scattering.
• Improved graphics: real-time rotations of perspective view and objects  using arrow keys, more accurate drawing of aspherics.

• 32 bit and 64 bit versions.
• Windows Application: XP, 7, 7-64bit.
• 100% global coordinates.
• Includes EquationCAD, an equation based CAD surface creator.
• [New] Multiple sources with Independent spectra (up to 100 wavelengths).
• [New] Black body source spectra (up to 100 wavelengths).
• Ray display filtering, displays rays that only pass through selected objects (object list options: Any, All, or in an Exact order).
• Re-bin radiometer without retracing.
• Select which objects directly contribute to radiometer.
• Repetitive tiled surface treatments: cones, spheres, brightness enhanced film (BEF), 3M Vikuiti™, hyperbolic BEF, elliptical dots, elliptical holes, elliptical bumps,  full spheres, arrays of cylindrical lenses.
• Rectangular or hexangular arrays of treatments. Single or double sided treatments.
• Randomized decentering of tiled surface treatments: dots, holes, bumps.
• Randomized size parameters of tiled surface treatments: dots, holes, bumps
• User defined equation (based on x-y surface position) of tiled surface treatments: dots, holes, bumps.
• Diffraction gratings.
• Zemax® import translator.
• Sobol and Monte Carlo ray generation.
• Multiple light sources may be placed anywhere .
• Total internal reflection, Fresnel reflection performed automatically.
• Glass catalogs with bulk absorptance.
• Gradient index material (10 GRIN models + user defined).
• User defined surface properties.
• Imported CAD objects can be lightsources.
• User defined (dll)  lightsources.
• 20 predefined (dll) lightsource models.
• Radiant Imaging data lightsources.
• Opsira data lightsources.
• 3-D generalized  lightsources, based on bitmaps, equations,  & tables.
• Irradiance, intensity, radiance, polynet radiometry displays, multispectral power display.
• Energy distributions .
• Radiometric/photometric units .
• Volumetric absorptance, luminance, &  scattering.
• Light/tissue interactions.
• Real-time 3D OpenGL graphics.
• Tabular wavelength dependent reflectance & absorptance.
• Spatial & angular, surface reflectance/absorptance/luminance, based on bitmaps/equations/tables.
• Wavelength dependent reflectance/absorptance based on user defined equation.
• Multiple independent ray paths, automatic ray branching.
• 100 supplied macros.
• Over 10,000 catalog lenses from 22 manufacturers.
• On-line tutorial.
• On-line demo tour.
• Free on-line training course.
• Up to 10,000 objects.
• Price includes all listed features - no costly add-ons.

EquationCAD^tm
(a complementary product included with OptiCAD)

• Translates a surface equation or surface data into a CAD surface

• Predefined surface types:

• Radial: flat, cone,  cylinder, paraboloid, compound parabolic concentrator (cpc), involute, sphere, hemi-sphere, conic, polynomial ultra-conic (19 coefficients)

• Extruded: flat, cone,  cylinder, paraboloid, compound parabolic concentrator (cpc), involute, sphere, hemi-sphere, conic, polynomial ultra-conic (19 coefficients)

• User entered equations:

• Radial Standard Form: z = f(r)

• Radial Parametric Form: r = g(theta) and  z = h(theta)

• Extruded Standard Form: z = f(x) or z = f(y)

• Extruded Parametric Form:  z = h(theta), x = g(theta) or y = g(theta)

• Generalized forms:

• Fourth order equation:  z(x,y,z) = 0 containing 35 coefficients in an external data file

• User entered equation: z = f(x,y)

• Surface fit to an x-y array of z data in an external data file

• Complementary Tool to Programs that import CAD Surfaces:
• NURBS CAD Surface:

• Non-UniformRational B-Spline

• Trimmed as a Brep face having either elliptical or rectangular extents

• Open GL display with real-time rotations using the arrow keys
• IGES, STEP and 3DM (OpenNURBS - Rhino) output.
• X, Y, Z surface scaling
• User Controls:

• Predefined and equation based controls: number of sample points in x and y, and order of fit in x and y

• Data based fit controls: order of fit in x and y, and number of control points in x and y

• Exported CAD units

• Menu Driven
• Easy to use
• Windows Application: XP, 7.