[3] KEARNEY K J, NINKOV Z. Characterization of a digital micro mirror device for use as an optical mask in imaging and spectroscopy[J]. SPIE, 1998, 3292: 81-92.
[5] MELLIN S D. Design and analysis of finite aperture diffractive optical elements [D]. Huntsville: University of Alabama, 2001. 72-86.
[7] O'SHEA D C, ROCKWARD W S. Gray-scale masks for diffractive-optics fabrication: ‖. Spatially filtered halftone screens [J]. Applied Optics, 1995, 34 (32): 7518-7526.