Beam Profile Tech Tip: Total Optical Path Length with Beam Splitters on 4.5 mm recessed CCD cameras

Often we get requests for the Total Optical Path Length when beam splitters are used on our line of 4.5 mm recessed CCD cameras. For a common setup using beam splitters P/N SPZ17015 and either one or two P/N SPZ17026 here are the Total Optical Path Length and a couple of pictures showing the layout. Length 2 (From first beam splitter to second beam splitter) Length 3 (From second beam splitter to third beam splitter) Total Optical Path Length with 2 beam splitters Total Optical Path Length with 3 beam splitters

  Center Path (Inch) Center Path (mm)
Length 1 (From camera to first beam splitter) 1.857 47.16
Length 2 (From first beam splitter to second beam splitter) 1.259 31.98
Length 3 (From second beam splitter to third beam splitter) 1.335 33.91
Total Optical Path Length with 2 beam splitters 3.116 79.14
Total Optical Path Length with 3 beam splitters 4.451 113.05
Beam Profile Tech Tip: Total Optical Path Length with Beam Splitters on 4.5 mm recessed CCD cameras Beam Profile Tech Tip: Total Optical Path Length with Beam Splitters on 4.5 mm recessed CCD cameras