Optical Design and Simulation Consulting
Photizon takes on optical design and simulation work on a project basis: lens and imaging system design, thin-film coating design, illumination and stray light analysis, integrated photonic components, and tolerance analysis. It suits hardware startups, research groups, and engineering teams, and runs from a single reviewed calculation through a complete design. Describe the problem and the constraints in the form below. The reply sets out a scope, a schedule, and the deliverables before any work starts.
Areas and topics
Lens and imaging system design
- Lens design and optimization, sequential ray tracing
- Imaging, relay, and afocal systems
- Aberration analysis and correction, achromats and triplets
- Spot size, MTF, and depth of focus
- Optical prescriptions for a vendor quote
- Optical prescriptions imported from and exported to Zemax OpticStudio files (.zmx)
Tolerancing and manufacturability
- Monte Carlo tolerance analysis and yield estimation
- Sensitivity analysis and compensator selection
- As-built performance estimates
- Drawing tolerances and fabrication limits
Thin-film coatings
- Anti-reflection, high-reflector, bandpass, and dichroic designs
- Angle of incidence and polarization sensitivity
- Transfer matrix modeling with measured optical constants
- Coating tolerance, yield, and vendor specifications
Illumination and stray light
- Non-sequential ray tracing and detector irradiance
- Stray light paths, baffles, and stop design
- Ghost image and ghost reflection analysis
- LED and light pipe illumination, uniformity and etendue
Integrated photonics
- Waveguide cross-section design and mode solving
- Ring resonators, directional couplers, and Mach-Zehnder interferometers
- Silicon and silicon nitride platforms, fiber-to-chip coupling
- Optical link budgets
Gratings and diffractive optics
- Grating efficiency and diffraction order analysis
- Rigorous coupled-wave analysis of periodic structures
- Polarization response of subwavelength structures
Review and second opinions
- Independent review of an existing optical model
- Checking a simulation against an analytic or published result
- Reproducing a reported performance number
- Feasibility assessment before a program commits to a design
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