Compare Editions

Three editions of OSLO are available to most cost effectively accommodate design needs. Please contact an applications engineer for assistance in selecting an edition of OSLO that best meets your specific requirements. The table below has an overview of the features available in each edition of OSLO.



General Surface Properties
3D optics (tilts & bends using local or global coordinates on all surfaces) Yes Yes Yes
Unlimited number of surface, variables & optimization targets Yes Yes Yes
Test plate libraries Yes Yes Yes
Test plate analysis and ranking Yes Yes
Non-sequential groups, regular and tabular arrays Yes
Surface Types
Spheres, aspheres, conics, polynomial aspheres Yes Yes Yes
Cylindrical, toroidal, splines, axicons, Zernikes Yes Yes Yes
Fresnels, ISO 10110 asphere, cones Yes Yes Yes
Hologram, gratings, binaries Yes Yes Yes
Axial, radial GRIN or Wood, Selfoc or Gradium lens Yes Yes Yes
User defined gradient, sag, eikonal or diffractive surface Yes
Source Types
Astigmatic source, telecentric source, Arc, LED & Lambertian Yes Yes Yes
Independent X and Y Gaussian distributions and Radiant Imaging data Yes Yes Yes
Extended source shapes: cross, bar, filament, grid, slit, & user defined Yes Yes Yes
Polarized source Yes
Multiconfiguration Systems
Zoom lens design, thermal configurations, athermal design Yes Yes
Systems containing beamsplitters and multiple beam paths Yes Yes
Zoom lens optical properties analysis and comparative configuration plots Yes Yes
 Multiconfiguration Variables
Curvatures, thicknesses, refractive indices & apertures, skip surfaces Yes Yes
Aspheric & special data coefficients (tilts, decenters, GRINS & diffractive) Yes Yes
Wavelengths, ray aiming mode, reference surfaces (stop, image, …etc.) Yes Yes
Aperture (NA, EPD, …etc.) and field of view Yes Yes
 Starting design libraries
OSLO demos & examples (40 lenses), vendor lens catalogs (192+ lenses) Yes Yes Yes
Arthux Cox, Ellis Betensky, and Warren Smith libraries (705 lenses) Yes Yes
Non-sequential & special examples (37 lenses) Yes
Fiber coupling efficiency
Single-mode coupling with stepped-index or Gaussian-mode fibers Yes Yes Yes
Efficiency vs. tilt or displacement Yes Yes Yes
User-defined fiber mode Yes


Autofocus for minimum paraxial focus, RMS spot size or RMS OPD Yes Yes Yes
Damped least squares with automatic error function or user calculated operands Yes Yes Yes
Damped least squares with pre-defined system and ray operands incl. spot size, wavefront, field sags, aberrations (3rd, 5th & chromatic), D-d, …etc. Yes Yes
Zernike, MTF, polarization and multi-layer coating property operands Yes
Powell’s method, simplex method and global optimization engines Yes
Global Explorer and Adaptive Simulated Annealing Yes
Conformal optics (Wassermann-Wolf) solve Yes
Surface tolerancing on curvature, conic constant, thickness, axial shift
refractive index, X & Y tilt and decenter (all with ISO 10110 defaults)
Yes Yes Yes
Component tolerances on X & Y decenter, tilt and center of curvature tilt Yes Yes Yes
Group tolerances on axial shift, decenter, tilt and tilt about arbitrary point Yes
User defined tolerancing error function with direct or inverse sensitivity and
RSS, uniform or Gaussian statistics
Yes Yes Yes
Change table tolerancing using transverse spherical / axial & field D-d /
meridional & central coma / axial & field sags and RMS OPD /
best focus, back focus or focal length / direct or equal RSS contribution /
distortion, transverse distortion & lateral shear / magnification
Yes Yes
MTF/Wavefront tolerancing using Hopkins-Tiziani method with direct or inverse sensitivity / perturbation coefficients or direct output / statistical performance estimates Yes
Monte Carlo Tolerancing with a user defined error function Yes
Tolerance grades (A, B, C, D) & grade table Yes
Narcissus or ghost effects, export DXF, IGES and 10110 ISO drawings Yes Yes Yes
SCL – simple command language for automating specialized tasks Yes Yes Yes
CCL – compiled command language (C language syntax w/ support library) Yes Yes Yes
Spot diagrams: 7 different mono and polychromatic analyses w/ options Yes Yes Yes
Aberration analyses: 3rd, 5th in any color / OSC calculation / 7th order spherical Yes Yes Yes
Wavefront analysis with exact Strehl ratio (w/ apodization) / Zernike analysis / pupil map or perspective plot / RMS & peak-valley statistics Yes Yes Yes
 Point or line spread function: meridional or sagittal scan / amplitude, phase & intensity output / FFT & direct integration methods / perspective plots Yes Yes Yes
Geometrical and diffraction based energy distribution with encircled & ensquared energy, 1/e2 & FWHM cutoff points and knife-edge scans Yes Yes Yes
MTF(Modulation Transfer Function) – through-frequency or through-focus Yes Yes Yes
MTF using FFT or convolution calculation / square wave input / vs. field angle Yes Yes
Gaussian beam interactive analysis: spot size, waist size & distance, wavefront radius, far-field divergence, Rayleigh range, deviation from diffraction limit (M2 factor) & plot beam spot size Yes Yes Yes
Gaussian beam astigmatic trace: independent YZ and XZ analyses Yes Yes Yes
Fiber coupling efficiency using overlap integral & Gaussian apodization Yes Yes Yes
Point or line spread function using choice of Kirchhoff or Rayleigh-Sommerfeld integral / vector diffraction / DOE efficiency Yes
Polarization and multilayer coating analysis Yes

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