Mathematics
Free-form Surface
100%
Optical System
97%
Design
42%
Aberration
40%
Aspheric Surface
36%
Optical Design
32%
Field of View
32%
Wide-field
31%
Confocal
28%
Half line
26%
Imaging
21%
Aberration Correction
19%
Surface Profile
14%
Axial Symmetry
13%
Symmetry
13%
Design Methodology
12%
Optics
12%
Polynomial
10%
Superposition
9%
Unique Solution
8%
Degree of freedom
8%
Methodology
7%
Review
7%
Higher Order
7%
Demonstrate
5%
Term
5%
Family
4%
Model
3%
Engineering & Materials Science
Optical systems
78%
Aberrations
32%
Optical design
17%
Polynomials
9%
Imaging techniques
9%
Optics
6%
Physics & Astronomy
aberration
22%
rays
16%
field of view
11%
polynomials
11%
symmetry
10%
methodology
10%
degrees of freedom
5%
optics
4%
profiles
3%