Lens Data Editor at 0 C and 0 atm pressure -Optimize BFL for minimum RMS spot radius -New BFL = 0.4995 inches Choose Config 2 and Make Single Config under Tools Change pressure to 0 for space environment Choose number of configurations -Temperature range from 0 C to 60 C Open Multi-Configuration Editor -Make Thermal under Tools Scroll to right side of Lens Data Editor -Enter CTE data of lens mount in airspaces -Al 2024 α = 22.9 ppm/C Lens Data Editor at 20 C and 1 atm (units:inches) Goal is to design a lens mount to compensate defocus caused by temperature changes Space Environment (Assume ΔT = 60 C) Remote Sensing Infrared Optical System ZEMAX Solidworksħ5 mm F/3 Double Gauss 3-5 μm Wavelengths 20 Degree Full Field of Viewĭn/dT = -10.4 ppm/C α = 18.4 ppm/C n = 1.410 A tutorial on the use of ZEMAX and Solidworks in athermal lens mount design By James Champagne OPTI 521 – Optomechanical Engineering Fall 2010
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