Hi Alex,Thanks for your question!I suppose you’re meaning that you’d like to get values for the Huygens PSF analysis in Sequential Mode that report on measured power rather than relative intensity -- is this a correct understanding?Since Huygens PSF reports the relative intensity (scaling either to normalize the data or normalize relative to the unaberrated PSF peak), you would need to scale the Huygens PSF data based on your input power and the transmission of the optical system itself. You can use an analysis like Analyze tab...Polarization...Transmission to see a breakdown on the transmission of the system per wavelength, per field for some input grid of rays. Once you have a specific field’s transmission, you could use that to scale the HPSF data.Alternatively, if you can reconstruct your system in Non-Sequential Mode, you could leverage the Huygens PSF calculation there and get a Detector Rectangle output that directly reports measured irradiance. We have information generally on
Hi Mark,Thanks for the question! Hope you’re doing well.The update to the BSDF behavior was to adjust a prior handling where pairs of transmission/reflection BSDF values applied to the same surface was checked to be less than or equal to 1.0 -- if not, the TIS values for reflection and transmission were re-normalized to 1.0.One instance where this became an issue was if we had a ray hitting a surface which would split the power of the input ray 50/50 via a coating and also had a BRDF and BTDF file applied to it. If the BRDF/BTDF file each had TIS values of 1.0 for all scatter data with the Scatter Fraction to 1.0 (so 100% of the specular energy goes into the scattered directions), the sum of the TIS values from each file would be 2.0. This would get renormalized to 1.0 (meaning each TIS now became 0.5), and this resulted in the total reflected and transmitted scattered ray energy to instead be each 25% of the input ray’s energy. With this update, the above scenario now outputs 50% of t
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