請(qǐng)教各位GGJJ，
"P.sK huo 我想用zemax的非
序列模式
仿真玻璃diffuser的透射及反射場(chǎng)。
eDo4>k"5 我用的是thorlabs ground glass diffuser,技術(shù)
參數(shù)如下：
6oKlr,. Material: N-BK7 (Uncoated)Scratch-Dig: 80-50Clear Aperture: >90% DiameterPolished Side Surface Irregularity: <4λGaussian Intensity Profile120, 220, 600, or 1500 grit
4FneP i~i 請(qǐng)問(wèn)是否可以使用zemax的內(nèi)建散射
模型？如果可以，應(yīng)該使用哪一種？謝謝��！
OL=X&Vaf< [YQtX_ ;w Built-in scattering models )1 @v<I Lambertian {\?f|mm q BSDF = 1/
p- The scattered ray projection vector has equal probability anywhere on the projected plane
- The scattered intensity varies like cos(qs)
- The scattered intensity is independent of the incident angle
e?\Od}Hbw Gaussian DvN_}h^nX BSDF(x) = A*exp[-|
x|
2/
s2]
- The scattering distribution is symmetric in direction cosine space
- s determines the width of the Gaussian distribution on the projected plane
- Maximum value allowed for s is 5 (for s > 5, distribution is nearly Lambertian)
[:,|g;=Y} ABg K[SzE{5=P BSDF(
x) = A/[B + |
x|
g]
- Widely used to model scattering due to random isotropic surface roughness
- Input values for A, B, and g are provided in an ASCII file (in the <data>\ABg_Data\ directory)
- Input value limitations: A >= 0, B >= 1.0E-12 (unless g = 0, then B = 0 is allowed)
