A method that utilizes incoherent light interferometry is used to form images through vanishingly small apertures. The method utilizes the increased channel capacity produced by reduction of spatial coherence, but in a way thatimproves the resolution instead of the signal-to-noise ratio.
© 1990 Optical Society of America
E. N. Leith, "Small-aperture, high-resolution, two-channel imaging system," Opt. Lett. 15, 885-887 (1990)