29 September 1995 Diffractive effects in an internally cooled window
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Diffraction effects produced by internally liquid cooled silicon windows have been characterized. Experimental point-spread function data for three window designs are presented. Measurements were made using a single wavelength (3.39 micrometers ) laser as well as a broadband blackbody source operating at various temperatures. From these data, angular distribution of energy and the ratio between the contained energy of the central and higher order lobes were derived. Comparisons to analytically generated curves show excellent agreement.
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Carl John Wojciechowski, Carl John Wojciechowski, Lori C. Brooks, Lori C. Brooks, David A. Kalin, David A. Kalin, Gregory W. Jones, Gregory W. Jones, } "Diffractive effects in an internally cooled window", Proc. SPIE 2546, Optical Techniques in Fluid, Thermal, and Combustion Flow, (29 September 1995); doi: 10.1117/12.221564; https://doi.org/10.1117/12.221564

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