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Proceedings Paper

Optimizing the thermal performance of apochromatic glass-liquid optical systems
Author(s): Robert D. Sigler; Maria V. Petrova; Andrei G. Plyukin; Michael N. Tolstoy
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Paper Abstract

In the design of high performance optical systems, the goals of superior color correction and reduced cost can be achieved when abnormal dispersion liquids are incorporated into a design. A complicating factor in these designs is the potential for degraded performance due to the significant changes in refractive index of all liquids with temperature (dN/dt). The thermally induced performance changes of glass-liquid systems can be virtually eliminated through a combination of proper liquid selection (i.e. at least two liquids are required: one to provide color correction, and one to provide thermal compensation) and multi-temperature optimization (i.e. zooming in temperature). In this presentation, the required optical and thermal characteristics for the correcting and compensating liquids are developed and the optimization techniques are discussed. Finally, the optical performance of glass- liquid objectives using several correcting and compensating liquid pairs are contrasted with a similar all-glass design.

Paper Details

Date Published: 25 September 1997
PDF: 14 pages
Proc. SPIE 3129, Zoom Lenses II, (25 September 1997); doi: 10.1117/12.279090
Show Author Affiliations
Robert D. Sigler, Lockheed Martin Palo Alto Advanced Technology Ctr. (United States)
Maria V. Petrova, S.I. Vavilov State Optical Institute (Russia)
Andrei G. Plyukin, S.I. Vavilov State Optical Institute (Russia)
Michael N. Tolstoy, S.I. Vavilov State Optical Institute (Russia)


Published in SPIE Proceedings Vol. 3129:
Zoom Lenses II
Ellis I. Betensky; Allen Mann; Iain A. Neil, Editor(s)

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