First-Order Design Of Optical Baffles

Edward R. Freniere

doi:10.1117/12.959598

3 March 1981 First-Order Design Of Optical Baffles

Edward R. Freniere

Author Affiliations +

Proceedings Volume 0257, Radiation Scattering in Optical Systems; (1981) https://doi.org/10.1117/12.959598
Event: 1980 Huntsville Technical Symposium, 1980, Huntsville, United States

Abstract

Optical systems which have stringent reouirements on stray light levels often need optical baffles. Some basic design principles and goals for baffles are Presented. Four generic optical designs and their advantages for stray light control are discussed: all reflective and all refractive reimaging and nonreimaging systems. The desirable shape and location of baffle vanes are shown, based on various design criteria. Presuming that the designer has the ability to control specular reflections from baffle surfaces, absorptive coatings which reflect specularly are preferred over those which reflect diffusely. Stray energy from edge diffraction can be controlled in a nonreimaging optical system by forcing light to undergo multiple diffractions.

Citation Download Citation

Edward R. Freniere "First-Order Design Of Optical Baffles", Proc. SPIE 0257, Radiation Scattering in Optical Systems, (3 March 1981); https://doi.org/10.1117/12.959598

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