An optical subassembly (10), optical or optoelectronic receivers (100) and transceivers (200) including the same, and methods of making and using the same are disclosed. The optical subassembly (10) includes a mirror (30) configured to reflect an incoming optical signal (150) at a first predetermined angle, a lens (42) configured to receive the incoming optical signal (150) from the mirror (30) and focus the incoming optical signal (150) onto a target, and an optical mount (20) comprising at least one first surface (23a,23b) configured to support the mirror (30), at least one second surface( 27a,27b) configured to support and/or secure the lens (42) at a second predetermined angle, and a structural block configured to position and/or arrange (i) the at least one first surface (23a,23b) at a third predetermined angle related to the first predetermined angle and (ii) the at least one second surface (27a,27b) at the first and/or second predetermined angle(s). The first and/or second predetermined angle(s) are adapted to reduce a reflectance of the incoming optical signal (150).
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