"The angle of emergence is that between the direction of a beam of radiation emerging from the surface of a medium and the normal to that surface."@en . . "angle_of_emergence"@en . "SDN:P07::CFV13N42" . "accepted"@en . "" . "1" . "false" . . "SDN:P07::CFV13N42" . . . "2010-03-11 14:38:28.0" . "1" . "SDN:P07::CFV13N42" . . "2010-03-11 14:38:28.0" . . .