Near-infrared diffractive optical element (DOE) radiometer

Kelvin E. Hamilton; J. R. Michel Codere; J. J. M. Verreault; Earl J. Fjarlie

doi:10.1117/12.188641

17 October 1994 Near-infrared diffractive optical element (DOE) radiometer

Kelvin E. Hamilton, J. R. Michel Codere, J. J. M. Verreault, Earl J. Fjarlie

Proceedings Volume 2269, Infrared Technology XX; (1994) https://doi.org/10.1117/12.188641
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

A radiometer has been designed that operates at 1064 nanometers using a diffractive element arrangement to focus the energy onto a detector array. The aperture is made up of several elements consisting of both on and off-axis designed elements arranged to provide an overall FOV. The blur circle and the efficiency of the elements have been measured. The advantages of DOEs are weight saving, repetitiveness of design, the making of either off-axis or on-axis elements with the same ease, good efficiency of energy collection, and diffraction limited focusing.

Citation Download Citation

Kelvin E. Hamilton, J. R. Michel Codere, J. J. M. Verreault, and Earl J. Fjarlie "Near-infrared diffractive optical element (DOE) radiometer", Proc. SPIE 2269, Infrared Technology XX, (17 October 1994); https://doi.org/10.1117/12.188641

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