Analyze photoelastic stress patterns in transparent optical elements.
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Stress-optic law | Δn = C · ( sigma1 - sigma2 ), where C is the stress-optic coefficient | Brewster D. (1816); Frocht MM, Photoelasticity (1941), Wiley |
| Optical path difference | delta = C · ( sigma1 - sigma2 ) · t, where t is the path thickness | Frocht MM, Photoelasticity (1941), Wiley |
| Fringe order | N = delta / lambda, where lambda is the monochromatic wavelength | Frocht MM, Photoelasticity (1941) |
| Recovering the stress difference | sigma1 - sigma2 = N · lambda / ( C · t ) | Frocht MM, Photoelasticity (1941) |
偏振光应力分析工具，利用应力-光学定律（σ=N×f/d）计算透明件主应力差，支持硼硅玻璃/钠钙玻璃/PMMA/PC等多种材料，自动判定应力等级。