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解决方案

SYNOPSYS™15.78 版本发布

The update to version 15.78 incorporates the following changes:

Features:

1.The step file program STFILE now can model all axially-symmetric aspheric surfaces with the native NURBS specification in that protocol, so those won't be rendered as panels anymore.(The panels were accurate enough but created very large files.) Non-symmetric shapes or those without circular and centered apertures are still rendered as panels.

2.A new feature is available in FILM: Now you can declare a custom library of film materials by entering the six interpolation coefficients in either the old Schott or Sellmeier formulas.Then you can define a custom coating stack that incorporates those materials and apply it to your lenses. Section 16.5 in the UM describes this new feature.

3.AED will now check whether an element it wants to remove from the lens is at the aperture stop.If so, it will replace it with a dummy surface and keep the stop there.Before, it simply deleted the element, which forced the stop to move to the previous one, which was sometimes not a good idea.

4.The structure of the header file fortranstructures.h has been altered.Users who have created a custom DLL file should contact OSD to get the latest version.

Bugs Fixed:

1.The option in ZSEARCH to space the zoom positions with forms LINEAR and NONLINEAR did not preserve the Lagrange invariant.

2.The GDF option to input glass interpolation coefficients did not work properly.

3.The DMASK listing of the blaze height was not correct on the plot.

4.The option in FILM to fix the layer material to THF4 did not work properly if the wavelength exceeded the visible-spectrum range of that material. It then defaulted to the IR range, which was not accurate near the visible.

5.Also in FILM, the analysis of coatings accounted for the wavelength and angle of incidence, but ignored the dispersion of the layer material, which has a small effect.

6.DSEARCH did not report the number of cases it evaluated correctly if the number of authorized cores exceed.