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Question

how can i simulate colorful ink color LAB which has scatter and absorption?


Yao Qi

Recently I study a stack that is different colorful ink such as red, black and White painted on glass back side  and the measure side is from glass front side. the ink thickness is ~30um which will make the stack opaque.  I can use Macleod simulate this stack reflectance spectrum match with Shimazu UV 3700 measure R% of all color ink. I think this is because UV3700 measure R% is specular reflectance so all color show similar R% spectrum. But the Konica 3700A measure different color ink with SCI, SCE model is different and I can’t use Macleod simulate the LAB match with Konica measure LAB, I know this should be colorful ink scatter and absorption then cause the different.  How can I use my data on hand that SCI model spectrum, SCE spectrum, specular reflectance in Zemax Opticstudio and set up model which can match with Konica  3700 A measure LAB, thanks.

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