Alignment and tolerancing of a cardioid condenser

S. M. Prince; W. G. McGuigan

doi:10.1117/12.740868

21 September 2007 Alignment and tolerancing of a cardioid condenser

S. M. Prince, W. G. McGuigan

Proceedings Volume 6676, Optical System Alignment and Tolerancing; 66760K (2007) https://doi.org/10.1117/12.740868
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

Design details of a cardioid dark field condenser are shown ranging from the theoretical performance of a cardioid to the best-fit spherical surface. The manufacturing tolerances, fabrication techniques and debug methods are discussed for this condenser. The primary tolerances to be achieved are center thickness of the cardioid element and maintenance of its center of curvature relative to the focal plane.

Citation Download Citation

S. M. Prince and W. G. McGuigan "Alignment and tolerancing of a cardioid condenser", Proc. SPIE 6676, Optical System Alignment and Tolerancing, 66760K (21 September 2007); https://doi.org/10.1117/12.740868

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