1. J. R. Barry,Wireless Infrared Communications, pp. 3–7, Kluwer Academic, Boston (1994).
2. Holograms for optical wireless LANs
3. “Safety of laser products. equipment classification, requirements and user’s guide,” BS EN 60825-1 (1994) (identical with IEC 825-1: 1993).
4. OSA Research and Education
5. J. W. Goodman,Introduction to Fourier Optics, 2nd ed., Chap. 4, pp. 63–89, McGraw Hill, New York (1996).