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5 August 2009 The design and solving for initial structure of dual field of view IR system
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In this paper, the zoom theory of IR dual field-of-view zoom optical lens (FOVs) is introduced. The process of how to solve the focal length and spaces of every group element by using performance parameters of infrared dual FOV optical system is described and the solving method for initial structure of single lens and double separate lens used as group is presented in detail. Particularly, great emphasis is give to discuss how to solve the initial structure for every group with PW method. Finally, the design results for 8μm~12μm dual field-of-view zoom infrared systems using the method mentioned above is presented and evaluated for each field by diffraction modulation transfer function(MTF), which shows that the design makes a good system with high image quality.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xue-xin Wang and Ming-yin Jiao "The design and solving for initial structure of dual field of view IR system", Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 738350 (5 August 2009);


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