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解决方案

SYNOPSYS™15.61 版本发布

The update to version 15.61incorporates the following changes:

Features:

1.Switch 65 has been deactivated.The effect was similar to the WAP 3 option on lens drawings, and we see no reason to maintain both features.

2.The drawing produced by DSEARCH now automatically ignores feathering, so you can see where the rays go even if they would be stopped. Lenses at this stage often are imperfect, so it makes no sense to delete those rays from the picture.

3.The GIHT parameter in ZSEARCH, used when the several zooms have different values, in AFOCAL mode, now controls the paraxial angle UB,not the height YA.A separate directive controls YA.Also, if the GIHT differs between zooms,the weighting of ray aberrations goes inversely with GIHT, reflecting the fact that smaller field angles require smaller images.

4.A new option is available in ZSEARCH.TSONLY will cause ray grids to correct only the TFAN and SFAN rays instead of a full grid of rays.This runs faster on systems where you don't need the full grid.

5.The program no longer scissors plots before they are displayed.This was a leftover from the batch-mode days, when the Calcomp plotter drivers did not deal gracefully with data that extended off thepage.Since modern graphics drivers are much better, we now allow the picture to extend beyond the page boundaries, so you can see what is out there.(If you print the plot, you still only get the data that fit on the page.)

6.The real-pupil search algorithm has been improved.The search used to fail with some of our examples; those now work properly.

Bugs Fixed:

1.The image tools feature (MIT) now takes into account the incident angle of the chief ray and stretches the image as needed.

2.An input error in the SPECIAL PANT section of DSEARCH input would crash the program.

3.The CSLOPE aberration was listed in the help file in two places. It is a construction parameter aberration, not a ray aberration.

4.The ATC monitor weight would override weighting on subsequent rays.

5.An implied real pupil,designated with APS -1 and a nonzero YPP1,did not work if the implied location was somewhere in image space.

6.The OPD calculation for afocal systems,if not in the major color, had a constant bias if the chief ray was not centered at the final surface.The image analysis was correct, since the shape was correct, but the PAD display showed the bias and was confusing.