[1] A. Korpel; Appl. Opt., 1978, 17, 2037.

[2] Η. Η. Hopkins; J. Opt. Soc. Am., 1979, 69, 4.

[3] A. B. Marchant; Appl. Opt., 1982，21, 2085.

[4] P. Sheng; EGA Review, 1978, 39, 512.

[5] M. G. Moharam et al.; Appl. Opt., 1981，20, 240.

[6] Z. Zylberberg et al.; JOSA, 1983, 73, 392.

[8] A. Hessel, J. Schmoys; JOSA, 1975, 65, 380.

[9] L. В. Lewis et al.; IEEE Trans, on Ant. and Prop., 1972, AB-20, 712.