I creat Michelson interferometer by using non-sequential mode, there is no fringes in the detector(the yellow one), the fringe exsit in reference mirror plane(the right side last plane), I do not know what is wrong?
Userlevel 6
+4
Hi Wendy,
When I first started looking at your file I saw that the output detector was receiving almost no power. I began to analyze that. I changed the source to a single axial ray and saved that trace as a Ray Database, expanded in branches. Looking at the database with the Ray Database Viewer, I could see the two branches that made it to the output detector -- one from the moving mirror and one from the fixed mirror. That looked correct.
So I changed the source back to 1e6 rays and 25 degrees. When I ran a trace I saw fringes on all detectors. I have no idea what changed. I attach a ZAR file of your design as I finished with it. You can see the database analysis. It is a really good way to look at issues like this.
Also, note that I attach a ZAR format, not ZMX. You can save a ZAR by choosing that format in the fie save process. It saves all aspects of the design and is a good way to share work.
Kind regards,
David
Hi David,
Many thanks for your help.
I don't know why this happens,
In the design file, when the Minimum Relative Ray Intensity : 1.0000E-036 --> 1.0000E-006 is changed, the fringe is visible in the detector and the power is normally.
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