II. Non-Photographic Sensor Systems
Discovery of the IR spectral region by Sir William Herschel.
Use of the bolometer by Langley to make temperature measurements of electrical objects.
Hertz demonstrated reflection of radio waves from solid objects.
Aircraft tracked in flight by Hoffman using thermopiles to detect heat effects.
Both British and Germans work on systems to locate airplanes from their thermal patterns at night.
Development of incoherent radar systems by the British and United States to detect and track aircraft and ships during W.W.II.
Extensive studies of IR systems at University of Michigan and elsewhere.
First concepts of a moving coherent radar system.
Flight of an X-band coherent radar.
Formulation of synthetic aperture concept (SAR) in radar.
Research development of SLAR and SAR systems by Motorola, Philco, Goodyear, Raytheon, and others.
Kozyrev originated Frauenhofer Line Discrimination concept.
Development of various detectors which allowed building of imaging and non-imaging radiometers, scanners, spectrometers and polarimeters.
Description of UV nitrogen gas laser system to simulate luminescence.
Primary Author: Nicholas M. Short, Sr. email: email@example.com