[1] W. Koechner, Sollid-State Laser Engineering (5th edn.) (Springer-Verlag, Berlin, 1999).

[2] M. Born and E. Wolf, Principles of Optics (7th edn.) (Cambridge University Press, Cambridge, 1999).

[3] M. Bass, Handbook of Optics (McGraw-Hill, New York, 1995).

[4] A. Gerra and J. M. Burch, Introduction to Matrix Methods in Optics (John Wiley and Sons, New York, 1975).