Plot compound parabolic concentrator in Excel

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The discussion centers on creating a plot of a symmetric compound parabolic concentrator (CPC) in Excel using the Winston equations. The user is struggling with the correct dimensions, specifically a width of 2a = 10 and a half acceptance angle of 30 degrees. There is a request for JPEG screenshots of the work to facilitate assistance, as sharing Excel files from unknown sources may deter others from helping. The goal is to accurately represent the CPC shape in Excel. The conversation emphasizes the need for visual aids to improve collaboration and troubleshooting.
Josh chips
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I have the winston equations for the cpc but i am having problems getting the exact shape of a symmetric compound parabolic concentrator in excel
Help me with the corrections in terms of the width 2a =10 and half acceptance angle of 30 dg please
 
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please find attached of what i have done so far
 

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Welcome to the PF, Josh. :smile:

Can you post a few JPEG screenshots of your work? Many folks may be reluctant to open an Excel spreadsheet from an unknown source. Thanks.
 
image941 (1).jpg
am trying to come up with this drawing in excel
 

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