Hello,
this might be a stupid question, but I did not find a solution myself.
I am designing an optical system for my bachelor's thesis and want to optimize it.
Is there any possibilty to easily set boundary values in non-sequential mode like there is in sequential mode? Or to set a start/stop value like when doing a Universal Plot?
At the moment, almost all of my optimization attemts lead to impossible settings, like one lens inside the other or the detector placed right after the source.
I feel like there must be something I just have overseen.
Thanks in Advance!
Solved
Non-Sequential Optimization: Set Boundary Values
Best answer by David
Hi Julia,
Look at the merit function section "Constraints on Non-sequential Object Data" in the help system. You will find merit function operands for non-sequential systems. For example: NPGT is non-sequential parameter greater than; NPLT for less than, NPVA for value. These and others can be used to constrain the design during optimization.
Kind regards,
David
View originalLook at the merit function section "Constraints on Non-sequential Object Data" in the help system. You will find merit function operands for non-sequential systems. For example: NPGT is non-sequential parameter greater than; NPLT for less than, NPVA for value. These and others can be used to constrain the design during optimization.
Kind regards,
David
+4Hi Julia,
Look at the merit function section "Constraints on Non-sequential Object Data" in the help system. You will find merit function operands for non-sequential systems. For example: NPGT is non-sequential parameter greater than; NPLT for less than, NPVA for value. These and others can be used to constrain the design during optimization.
Kind regards,
David
Look at the merit function section "Constraints on Non-sequential Object Data" in the help system. You will find merit function operands for non-sequential systems. For example: NPGT is non-sequential parameter greater than; NPLT for less than, NPVA for value. These and others can be used to constrain the design during optimization.
Kind regards,
David
+4You're very welcome, Julia.
The Reference Object column in the Non-sequential Data Editor is also quite useful. In the design illustrated below, the lens is placed with respect to the source, and the detector is placed at a fixed distance from the lens. The distance from the source to the lens is variable, as are both lens radii. The optimization wizard was used to establish a merit function to minimize the RMS Spot Radius on the detector, with a minimum flux of 1W (equal to the source). A user added operand NSZG requires the distance from the source to the lens to be greater than 2mm.
The Reference Object column in the Non-sequential Data Editor is also quite useful. In the design illustrated below, the lens is placed with respect to the source, and the detector is placed at a fixed distance from the lens. The distance from the source to the lens is variable, as are both lens radii. The optimization wizard was used to establish a merit function to minimize the RMS Spot Radius on the detector, with a minimum flux of 1W (equal to the source). A user added operand NSZG requires the distance from the source to the lens to be greater than 2mm.
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