FIELD: measurement technology; aerospace engineering; flying vehicle manufacture.
SUBSTANCE: coherent flat-wavefront beam is passed through photoelectric displacement-to-code transducer made in the form of p-n junction along single optical axis and directed to transducer plane. Diffraction microrelief is formed on photocell surface, its parameters and those of light beam being tightly interrelated by equation f = 2λ/b, where f is angle of light beam divergence in direction of point of observation; λ is light beam wavelength; b is diffraction microrelief slot width.
EFFECT: enhanced sensitivity, speed, efficiency of light beam absorption by photocell, eliminated blurring effect on photocell surface.
2 cl, 1 dwg
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