May 1, 2001
Author(s)
Simon G. Kaplan, Leonard M. Hanssen
Standard Reference Materials 2053, 2054, 2055, and 2056 are transmission filters designed to have nominally neutral attenuation over the 2 mm to 25 mm wavelength region, with optical densities near 1, 2, 3, and 4, respectively. The filters are made of