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.
OSLO EDITIONS FEATURE SUMMARY 

Light 
Standard 
Premium 

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  
Nonsequential 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  
Nonsequential & special examples (37 lenses)  Yes  
Fiber coupling efficiency 

Singlemode coupling with steppedindex or Gaussianmode fibers  Yes  Yes  Yes 
Efficiency vs. tilt or displacement  Yes  Yes  Yes 
Userdefined fiber mode  Yes 
Light 
Standard 
Premium 

Optimization 

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 predefined system and ray operands incl. spot size, wavefront, field sags, aberrations (3rd, 5th & chromatic), Dd, …etc.  Yes  Yes  
Zernike, MTF, polarization and multilayer coating property operands  Yes  
Powell’s method, simplex method and global optimization engines  Yes  
Global Explorer and Adaptive Simulated Annealing  Yes  
Conformal optics (WassermannWolf) solve  Yes  
Tolerancing 

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 Dd / 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 HopkinsTiziani 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  
Tools 

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 
Analysis 

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 & peakvalley 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 knifeedge scans  Yes  Yes  Yes 
MTF(Modulation Transfer Function) – throughfrequency or throughfocus  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, farfield 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 RayleighSommerfeld integral / vector diffraction / DOE efficiency  Yes  
Polarization and multilayer coating analysis  Yes 