Hi Asuku,Attached Optics Talk may answer your query!Infact, I found some of the documents attached in above optics talk is really helpful to understand the pivoting in sequential mode.Thanks.
Hi Pradeep,To see the reflected rays you have to select 'Spilt NSC Rays’ in layout setting, so rays will splits as per surface properties whenever encounter.
Normalization radius (Norm Radius), All ray-intercept points are divided by this number to determine the x and y coordinates for polynomial evaluation. (From Zemax Manual)Since 300.0 mm is the mirror diameter, 150.0 mm is chosen as norm radius. But it is immaterial at present as there are no polynomial term are used in design!Norm radius is a number to which the polynomial coefficient will be normalized, Zemax default value is 100 for norm radius, but is it recommended to keep norm radius slightly greater or equal to surface radius at which it is used.Even if optimization is done for 100 mm (default Zemax value) norm radius, at final stage of the design it can be brought to desired norm radius as per surface diameter by only optimizing the polynomial coefficients. There will not be any performance degradation by doing so.
Hello @MichaelH ,Just for my curiosity, How feasible is it to manufacture the above off-axis mirrors, which seem to have a high off-axis distance? Particularly convex off axis mirror. Thankyou.
Hi minjeong,The graph desired by you can be plotted using 1D universal plot (Available in analysis ribbon bar).You can choose the X axis as thickness of the last surface of your design for conducting a scan along the axial (z) direction and use suitable operand like RSCE, RSCH, RSRE, or RSRH (Details are available in help file for these operands) to read the RMS spot size. At best focus RMS spot size will be minimum amongst all other Z direction scan.Settings and resultant graph is attached below... Thanks!
Hi Saif,There are two way that can be used to make Off axis mirrors!You can define the aperture (rectangular, circular etc.) and off axis distance from surface setting tab under aperture section. Off axis distance will decide the offset from center of parent mirror and defined aperture will decide the size (geometry) of OAP. If you have complex geometry (Hexagon etc.), you can define a "User defined aperture" based on your coordinate points and apply the defined aperture to parent mirror.Hope this helps!Thanks.
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