The equality of the transmitted and reflected irradiances by a symmetric, absorbing beam splitter consisting of three media is considered. The condition of minimum absorptance and the phase difference between the transmitted and reflected fields are studied as well.
© 1996 Optical Society of America
J. J. Monzón and L. L. Sánchez-Soto, "Characterization of symmetric, absorbing 50–50 beam splitters," Appl. Opt. 35, 106-112 (1996)