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Proceedings Paper

Optical design of precision approach path indicators in a portable runway lighting system
Author(s): Duncan J. W. Walker; Adam Monaghan
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Paper Abstract

Portable runway lighting systems pose an interesting illumination challenge. They are typically used in harsh environments where generators or batteries are used to provide electricity. As a result, not only do the systems have to satisfy the regulatory requirements which determine the light intensity profile but they also need to be highly efficient and within a compact design. This paper summarises the optical design and performance of a PAPI system using LEDs which are coupled into a waveguide to generate the required light distribution at an intermediate plane after the waveguide. The use of waveguides means that a single projection lens is used to generate the final beam and this images the output of the waveguides into the far field.

Paper Details

Date Published: 23 September 2015
PDF: 8 pages
Proc. SPIE 9629, Optical Systems Design 2015: Illumination Optics IV, 962903 (23 September 2015); doi: 10.1117/12.2191122
Show Author Affiliations
Duncan J. W. Walker, Walker Optics, Ltd. (United Kingdom)
Adam Monaghan, Aeronautical & General Instruments Ltd. (United Kingdom)

Published in SPIE Proceedings Vol. 9629:
Optical Systems Design 2015: Illumination Optics IV
Tina E. Kidger; Stuart David, Editor(s)

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