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(joined April 2020)
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Hi I am running this tutorial

Gratings Created with VB Script


However, I met some troubles with the geometry, because it seems that running the suggested script does not give the grating.
the for loop is not closed.
Could someone help me?

Click “ Scripting” button to go to the scripting page. Modify the Linear2 code paragraph as the following:

Dim Linear2 for m=1 to 8

Set Linear2 = WGMgr.CreateObj ( “WGLinear”, “Linear2″+Cstr(m) ) Linear2.SetPosition 0.5+(m-1)*1.0, 0.05, 1+(m-1)*1.0, 0.05

Linear2.SetAttr “WidthExpr”, “0.1”

Linear2.SetAttr “Depth”, “0”

Linear2.SetAttr “StartThickness”, “0.000000” Linear2.SetAttr “EndThickness”, “0.000000” Linear2.SetProfileName “ChannelPro_n=3.14” Linear2.SetDefaultThicknessTaperMode True

Responses (2):

    • #67034
      Profile Photo

      Hi I am running this tutorial

      Gratings Created with VB Script


      However, I met some troubles with the geometry, because it seems that running the suggested script does not give the grating.
      the for loop is not closed.
      Could someone help me?

      Click “ Scripting” button to go to the scripting page. Modify the Linear2 code paragraph as the following:

      Dim Linear2 for m=1 to 8

      Set Linear2 = WGMgr.CreateObj ( “WGLinear”, “Linear2″+Cstr(m) ) Linear2.SetPosition 0.5+(m-1)*1.0, 0.05, 1+(m-1)*1.0, 0.05

      Linear2.SetAttr “WidthExpr”, “0.1”

      Linear2.SetAttr “Depth”, “0”

      Linear2.SetAttr “StartThickness”, “0.000000” Linear2.SetAttr “EndThickness”, “0.000000” Linear2.SetProfileName “ChannelPro_n=3.14” Linear2.SetDefaultThicknessTaperMode True

    • #67059
      Profile Photo
      Scott Newman
      Moderator

      The end of the for is missing. on a new line after your last line write next and it should work. If you continue to have issues please attach your design file.

      Scott

    • #67135
      Profile Photo

      Hi
      thank you for your answer.
      I am still playing with the grating structure and analyzing the possibility to change the refractive index of the structure named silicon in the tutorial https://optiwave.com/optifdtd-manuals/fdtd-transmission-and-reflection-spectrum-from-grating-unit-cell/.
      My model does not work, even if I have included the properties of the silver.
      Could you please check it?
      thank you.

      Attachments:

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