1. An optical receiving system having a detector serving as a signal receiver and an auxiliary optical means for enlarging the aperture of the detector, characterized in that the auxiliary optical means is a hologram placed before the detector to concentrate incident light onto the detector surface.
申请公布号
NO792465(A)
申请公布日期
1980.01.29
申请号
NO19790002465
申请日期
1979.07.25
申请人
SIEMENS AG BERLIN UND MUENCHEN,
发明人
BLANKENFELD, HEINZ,;GRAGE, LUDGER,;JONGH, RUDI DE,
