Translator Disclaimer
8 May 2018 Design study of a MWIR/LWIR mulitple FOV lens
Author Affiliations +
Single aperture multispectral systems are becoming prevalent thanks to advances in multispectral detectors, new optical materials, and new methods for selecting materials that minimize chromatic and thermal focal shift. This design study focuses on design of a three field-of-view, multispectral lens operating across the MWIR and LWIR spectral regions. The lens in question will have an f-number of f/3 with a 3X zoom ratio. The narrow full field-ofview of the lens is 3.33° with a wide full field-of view of 9.99°, the length of the system is 163 mm. The performance goal for the lens is diffraction limited over the thermal region. The study will provide an overview of material selection using an updated γv-v diagram, to provide achromatic and athermal characteristics. The study will then step through first order layout, optimization with key constraints, and tolerancing for manufacturability. Finally, the study will provide detailed analysis of system performance including as-built MTF over temperature, aberration analysis, and NETD contributions from narcissus.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. L. Ramsey, B. L. Unger, and G. P. Lindberg "Design study of a MWIR/LWIR mulitple FOV lens", Proc. SPIE 10627, Advanced Optics for Defense Applications: UV through LWIR III, 1062703 (8 May 2018);


Design of compact fisheye lens with slope constrained Q type...
Proceedings of SPIE (September 25 2013)
Optical design study and prototyping of a dual field zoom...
Proceedings of SPIE (September 03 2015)
Extreme retrofocus zoom lens for single shot single lens HDR...
Proceedings of SPIE (September 03 2015)
Ultra-high-performance zoom lens for the visible waveband
Proceedings of SPIE (January 01 1991)
MWIR zoom with focal extender
Proceedings of SPIE (December 18 2012)
Optical and mechanical design of 10X zoom lens for low...
Proceedings of SPIE (October 15 2012)

Back to Top