| Type |
Description |
| Standard |
Includes planes, spheres, and conics |
| Even aspheric |
Polynomial asphere with even powers |
| Odd aspheric |
Polynomial with even and odd powers |
| Paraxial lens |
A perfect thin lens |
| Paraxial cylinder |
A perfect thin cylinder lens |
| Toroidal |
Cylindrical aspheres and toroids |
| Toroidal grating |
A toroid with a grating superimposed |
| Toroidal hologram |
A toroid with a hologram superimposed |
| Tilted |
For modeling planes and wedges |
| Cubic spline |
A radial spline of arbitrary shape |
| Irregular |
For modeling fabrication errors |
| Hologram |
Two point optically fabricated hologram |
| Diffraction grating |
Straight line grating, standard substrate |
| Coordinate break |
Tilts and decenters of element groups |
| Polynomial |
Nonsymmetric polynomial asphere |
| Fresnel |
Fresnel zone aspheric |
| ABCD |
Paraxial ABCD for "black box" optics |
| Alternate |
Alternate surface intersection surface |
| Conjugate |
Two point perfect image surface |
| Gradient index |
Axial, radial, transverse, user defined |
| Zernike |
Sag defined by Zernike polynomials |
| Zernike phase |
Phase defined by Zernike polynomials |
| Extended polynomial |
Extended term XY polynomial asphere |
| Binary optic 1 |
Phase profile XY polynomial |
| Binary optic 2 |
Phase profile radial polynomial |
| Extended asphere |
Extended term rotational asphere |
| Extended spline |
A radial spline of arbitrary shape |
| Extended Fresnel |
Aspheric Fresnel on curved base |
| Elliptical grating |
Elliptical grating geometry |
| Superconic |
A unique aspheric expansion |
| Atmospheric |
Atmospheric refraction model |
| Biconic |
Anamorphic conic asphere |
| Grid phase/sag |
Phase or sag defined by tabular points |
| Zone plate |
Fresnel Zone Plate surface model |
| Jones matrix |
For polarizing components |
| Birefringent |
Uniaxial crystal, extraordinary/ordinary |
| NURBS |
NURBS based radial or toroidal surface |
| User defined |
Refractive, reflective, diffractive, GRIN, see below |
