+1I want to analyze reflections coming from the focal plane in non-sequential mode. I would like to configure a rectangular detector to, for example, reflect 10% of light and detect (and ideally absorb) the remaining 90%. Is there a way to do this? If I could assign a coating to the detector surface I would use a “IDEAL R10 0.9 0.1”…
Any ideas or suggestions will be appreciated.
Thank you,
John
Best answer by Chandan.Maurya
Hi John,
You can use a thin mask very close to the detector. One mask surface (front, back) should have specified coating as required (In the attached screenshot front face of the 2nd surface has I.90 (90% T and 10% R) coating).
While defining the new coating, the angle of incidence should also be taken care.
Hope this helps!
Thank you.
Hi John,
You can use a thin mask very close to the detector. One mask surface (front, back) should have specified coating as required (In the attached screenshot front face of the 2nd surface has I.90 (90% T and 10% R) coating).
While defining the new coating, the angle of incidence should also be taken care.
Hope this helps!
Thank you.
+1Hi John,
You can use a thin mask very close to the detector. One mask surface (front, back) should have specified coating as required (In the attached screenshot front face of the 2nd surface has I.90 (90% T and 10% R) coating).
While defining the new coating, the angle of incidence should also be taken care.
Hope this helps!
Thank you.
+3Can’t you just make the Detector a MIRROR and add a coating to it?
+1Can’t you just make the Detector a MIRROR and add a coating to it?
I have tested this by making a ‘Rectangle’ surface a detector with material set to ‘MIRROR’ and setting the coating to transmit 90% and reflect 10%. A single 1W ray seems to impart all 1W to the detector and the reflected ray has the expected 0.1W…
I may be missing fundamental with the above setup, but the benefit to Chandan’s approach is that the thin mask creates the desired reflection and the remaining energy is detected and can be absorbed which acts more ‘physical’. In this case I see the expected 90% detected and 10% reflected.
+3Did you turn on ‘Use Polarization’?
+1Did you turn on ‘Use Polarization’?
Hi Mark,
Yes, its the second ‘1’ in row 6 of the merit function.
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