Tilt-tolerant dual-band interferometer objective lens

Mike Ivor Jones

doi:10.1117/12.46816

1 October 1991 Tilt-tolerant dual-band interferometer objective lens

Mike Ivor Jones

Proceedings Volume 1498, Tactical Infrared Systems; (1991) https://doi.org/10.1117/12.46816
Event: Southcentral '91 (Dallas), 1991, Dallas, TX, United States

Abstract

A tilt-tolerant collimating objective lens for dual-band interferometry has been designed. The lens is a 6-inch aperture f/5 all-spherical design, and is parfocal at 0.6328 and 1.061 micron. Optical correction is better than 1/20 wavelength peak-to-valley OPD at each wavelength, over a 0.34-deg (0.178 arcsec) field. Fabrication tolerances for this lens are challenging but realistic.

Citation Download Citation

Mike Ivor Jones "Tilt-tolerant dual-band interferometer objective lens", Proc. SPIE 1498, Tactical Infrared Systems, (1 October 1991); https://doi.org/10.1117/12.46816

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