Physics – Optics
Scientific paper
Apr 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1013...84r&link_type=abstract
IN: Optical design methods, applications, and large optics; Proceedings of the Meeting, Hamburg, Federal Republic of Germany, Se
Physics
Optics
Broadband, Infrared Instruments, Lens Design, Optical Equipment, Computer Programs, Modulation Transfer Function, Monochromatic Radiation, Thin Bodies
Scientific paper
Interest continues in dual-waveband and wide-waveband optical systems operating in the 3-12.5-micron spectral region. A study has been undertaken to explore a range of optical-material combinations to provide chromatic correction over this large spectral waveband. Initially, candidate IR-transmitting materials were reviewed, and the reliability of their optical and physical properties considered. A representative group of preferred materials was selected. Thin-lens calculations were then performed to achieve common focus at several wavelengths. Focal shift as a function of temperature was also modeled. The most promising combinations were then converted into thick-lens design solutions. The performance of these solutions is presented.
Roberts Michael
Rogers Philip J.
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