# Aspheres and freeforms 2. Optimizing and Tolerancing Freeforms

This course will provide more complex exercises involving aspheres and freeforms, as well as insights into the tools available for designing, optimizing and tolerancing with these surfaces

This course includes the following content:

• Three Mirror Anastigmat (TMA) using Chebyshev Polynomial surface
• Design tools for manufacturability
• Specifying an Asphere for Production
• Designing off inflection points
• Tolerancing with aspheres and freeforms
• Example: tolerancing freeform irregularity
• Non-Sequential conversion of freeform surfaces

### Curriculum

##### TMA design using freeform surface
• 2.1 Three Mirror Anastigmat (TMA) using Chebyshev Polynomial surface
• 2.1.1 Three Mirror Anastigmat (TMA) using Chebyshev Polynomial surface - Part 1 (explaining Chebyshev polynomial terms)
• 2.1.2 Three Mirror Anastigmat (TMA) using Chebyshev Polynomial surface - Part 2 (setting up the Merit Function and Optimizing the design)
##### Designing for manufacturability
• 2.2 Design tools for manufacturability
• 2.3 Specifying an Asphere for Production
• 2.4 Designing off inflection points
• 2.4.1 Designing off inflection points - Part 1 (System setup and optimization)
• 2.4.2 Designing off inflection points - Part 2 (Adding manufacturability operands)
##### Tolerancing
• 2.5 Tolerancing with aspheres and freeforms
• 2.6 Example tolerancing freeform irregularity
• 2.6.1 Example tolerancing freeform irregularity - Part 1 (Building a Chebyshev Mirror)
• 2.6.2 Example tolerancing freeform irregularity - Part 2 (Tolerancing irregularity manually)
##### Converting freeforms to Non-Sequential mode
• 2.7 Non-Sequential conversion of freeform surfaces
• 2.7.1 Non-Sequential conversion of freeform surfaces
##### Test your knowledge!
• 2.8 Aspheres and freeforms II. - Test your knowledge