A doublet is an optical lens assembly consisting of two individual lenses cemented or spaced closely together. The purpose of a doublet is to correct chromatic aberration, a common optical aberration that causes different wavelengths of light to focus at different distances from the lens, resulting in color fringing or blurring in images.
- Doublet with BK7 and F2
- The chromatic aberration will be minized
- There are three sphere surface, so the SPHA will be also corrected.
- The optimization will silde to the local vellay, but we can use the multi-start to find a better solution.
- MF target: EFL=100mm and RMS Spot Radius for all F D C wavelength
Open the initial data from the sample folder
Lens data
The EPD is 25mm
F D C wavelength
0 angle fileld
RMS Spot Radius MF and 100mm EFL
The 3D Layout
We can use the Multi-Start tool to find the initial data
Many samples can be the start point.
We got a good design.
Spot Diagram
Ray Fan