Abstract
Recent requests for test stations to characterize and evaluate thermal and visible imaging systems have shown remarkable similarities. They contain the usual request for target patterns for the measurement of MRTD, NETD, SiTF for the infrared thermal imager and similar patterns for measuring CTF and SNR for the visible imager. The combined systems almost invariably include some type of laser designator/rangefinder in the total package requiring the need for LOS registration among the various individual units. Similarities also exist in that the requests are for large collimator apertures and focal lengths for projecting the desired signals into the unit under test apertures. Diversified Optical Products, Inc. has developed and is continually improving test station hardware and software to provide modularity in design and versatility in operation while satisfying individual test requirements and maintaining low cost. A high emissivity, DSP controlled, high slew rate, low cost, blackbody source with excellent uniformity and stability has been produced to function as the driver for thermal image target projectors. Several types of sources for producing energy in the visible portion of the spectrum have been evaluated. Software for selection of targets, sources, focus and auto- collimation has been developed and tested.
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