We derive an upper limit for the efficiency of spatially quantized Fourier array illuminators. This complements a previously reported formula for the efficiency limit of diffractive elements constrained only in phase.
© 1997 Optical Society of America
V. Arrizón and M. Testorf, "Efficiency limit of spatially quantized Fourier array illuminators," Opt. Lett. 22, 197-199 (1997)