A beam steering apparatus and method for free space optical transceivers is disclosed. The beam steering function is performed internally by way of translating an internal optical fiber in the focal plane of the transceiver telescope using miniature micro-electro-mechanical systems (MEMS). The optical design of the transceiver provides a wide field of view and a pointing and tracking field of regard that is directly proportional to the translation of the optical fiber in the focal plane of the telescope. The apparatus and method can eliminate the need for external gimballing systems, and replace the gimballed free space optical beam steering function with MEMS that consumes very little power.

 
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