Abstract
A streak camera with time resolution approaching that of the fastest modern streak cameras but with a considerably improved f/number has been developed. Only a limited number of geometrical configurations are practical in a no-dead-time streak camera. In the NIC the important geometric factors are 2:1 conjugates, cylindrical type film plane, optical axis inclined 15° to turbine mirror to offset film plane from camera lens, and optical axes of camera and camera lens coincident. This solution forces the entrance slit to be inclined by 28° 12′ to the optical axis. The “bending” of the light bundle by this angle at the slit is accomplished by a section of a Fresnel field lens of very large aperture. Time resolution of the f/2.9 NIC is about 10−8 sec with an image quality of 16–20 lines/mm.
© 1959 Optical Society of America
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