Patent ID: 8792163
Filing Date: 2014-07-29
Classification: G02B

Abstract:
1. A beam control apparatus for correcting aberrations, the beam control apparatus comprising: an off-aperture telescope configured to receive a beam of electromagnetic energy, wherein the telescope includes a first optical element and a second optical element, wherein the second optical element is configured to be translated in three orthogonal axes and be constrained from rotation around any of the three orthogonal axes; a wavefront error sensor configured to detect aberrations in the beam and configured to provide a wavefront error signal in response thereto; a processor configured to provide a correction signal in response to the wavefront error signal; and at least one actuator coupled to the second optical element and configured to selectively translate the second optical element in one or more of three substantially orthogonal directions corresponding to the three orthogonal axes in response to the wavefront error signal.