Beam splitting and combining micro-optic

An optical system, comprising:

• an optical device including a plurality of optically bonded optical elements, the plurality of optically bonded optical elements comprising:
• a first set of optical elements to optically split a first one or more beams,
• wherein the first set of optical elements includes at least one splitting surface and at least one reflecting surface;
• and
• a second set of optical elements to optically combine a second one or more beams,
• a set of inputs;
• and
• a set of outputs,
• wherein the set of inputs is coupled to the set of outputs via the first set of optical elements and the second set of optical elements.

An optical device, comprising:

• a plurality of optically bonded optical elements that form a single monolithic optical component, wherein the plurality of optically bonded optical elements comprises:
• a set of optical splitter surfaces configured to optically split a first input beam into a plurality of first output beams,
• wherein the set of optical splitter surfaces are formed on a first subset of optically bonded optical elements of the plurality of optically bonded optical elements,
• wherein the set of optical splitter surfaces includes at least one splitting surface and at least one first reflecting surface;
• and
• a set of optical combiner surfaces configured to optically combine a second input beam and a third input beam into a single second output beam,
• wherein the set of optical combiner surfaces are formed on a second subset of optically bonded optical elements of the plurality of optically bonded optical elements,
• wherein the set of optical combiner surfaces includes at least one polarization multiplexing surface and at least one second reflecting surface,
• wherein the plurality of optically bonded optical elements includes a set of inputs and a set of outputs, and
• wherein a set of optical paths coupling the set of inputs and the set of outputs are formed by the single monolithic optical component without an intermediate air interface.