Hi Onder,Using Object Surface #, Face # in Object Properties...CAD you can select the desired surface number. The default import method in OpticStudio is Face Mode 2, so that all surfaces are uniquely identified. It sounds like you already selected all surfaces and changed them to face 0. So, if you want all surfaces to be uniquely numbered simply click Reset All which automatically renumbers all surfaces to the default. The default is to assign each surface a unique Face number starting at 0 through the maximum number of Faces supported. Now you can assign the surfaces properties individually. You can also select all surfaces you want to assign a specific face number and then click Change To.I hope this helps.Best regards,Moj
Hi Andrew,The Zemax team is currently working on upgrading the CAD Dynamic Link in OpticStudio which will be applied to the next update of OpticStudio (22.1) early next year. Hopefully, the next update will support the CAD models created in more recent versions of Creo.Fortunately, OpticsBuilder 21.3 already supports Creo versions 4, 5, and 6.Best regards,Moj
Hi Sebastian,You can export CAD file in OpticStudio 20/21 by selecting the output file format type as CATPART or CATPRODUCT. Please note that “Use ACIS Libraries” needs to be ticked under Set-up...Project Preferences...General. Below are the minimum CATIA versions required to export CAD:OpticStudio 20: CAD exports require a minimum of CATIA V5 R29 OpticStudio 21: CAD exports require a minimum of CATIA V5 R31 Best regards,Moj
Hi Marko,To complement Ray’s answer, for surface roughness analysis in OpticStudio, you can apply a scatter profile to the object in question. OpticStudio offers a variety of methods for modeling different scatter profiles that you can read about in What scattering models are available in OpticStudio? – Knowledgebase (zemax.com) or in the Help Files at “The Setup Tab > Editors Group (Setup Tab) > Non-Sequential Component Editor > Non-Sequential Overview > Scattering (non-sequential overview)”. The surface roughness can help to identify which scattering model would be appropriate, but a surface roughness doesn't give enough information on how the surface will scatter light. There is a useful discussion in this forum thread: Scattering analysis of transparent objects with VDI roughness surface finish.Of particular help to you may be the surface scattering DLL called “K-correlation.DLL” which allows you to incorporate a surface roughness value, sigma (although sigma is defined
Hi Yao,With Mirror material definition, or with surface defined as Reflective, what OpticStudio does is assuming the surface is coated with a thick layer of aluminum, with an index of refraction 0.7 - 7.0i. The aluminum layer is assumed to be thick enough that no light propagates past the layer. This means that an uncoated mirror surface has a reflectivity of less than 1, though the exact value will depend on the polarization of the rays. If you define and apply coating to a Mirror surface, the last layer in the coating definition is then assumed to be a semi-infinite thickness of substrate material (the surface thickness defined for the last layer will be irrelevant.). The same thing happens when you apply taper coating. Actually the taper profile in a single layer coating dose not result in a significant reflectivity variation over the Mirror surface. To see the taper coating effect on the Mirror surface, you may need to add another coating layer (let’s say Aluminum) as the last laye
Hello Emmanuel,The Limit: Check button performs a check of the nominal system based on the current criterion. As such, OpticStudio is building a Merit Function based on the criterion you choose and reviewing the Merit Function value for the system without any perturbations. However, there are several reasons this value may be different than what the Limit: Check gives you. You may have a different sampling rate; you may have included boundary operands in your file that was not included in the tolerance check; you may be using a different method to compute MTF. When it comes to optimization, the Merit Function you build will probably be much more fleshed-out than the one we use for tolerancing. It will likely have more data and more targets to be met. I think the easiest way to understand what OpticStudio is doing is to run a single Monte Carlo trial and save it. If you want to exactly replicate what OpticStudio is doing for the nominal, you could run this Monte Carlo file when all the
Hi,You may simply store the intended image file in the <images> folder which is defined in Setup...Project Preferences. Once there, use Analyze...Extended Scene Analysis...Image Simulation. This feature simulates the formation of images by convolving a source bitmap file with an array of Point Spread Functions. The image file may be in BMP, JPG, PNG, IMA, or BIM file formats. (for more information see Help > The Analyze Tab (sequential ui mode) > Image Quality Group > Extended Scene Analysis > Image Simulation.
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