2026-09-19T10:44:50Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/408582022-01-13T07:54:36Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
David L. Trumper.
Kluk, Daniel Joseph
Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
Massachusetts Institute of Technology. Department of Mechanical Engineering
2008-03-26T21:08:46Z
2008-03-26T21:08:46Z
2007
2007
http://hdl.handle.net/1721.1/40858
212624895
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2007.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Includes bibliographical references (p. 241-243).
I describe in this thesis the design, fabrication, assembly, and testing of an Advanced Fast Steering Mirror (AFSM) for precision optical platforms. The AFSM consists of a mirror driven in two rotational axes by normal force electromagnetic actuators, and controlled via position feedback loops. The dynamic performance is sufficient to provide high bandwidth (approximately 5 kHz) disturbance rejection of base motion, and as such the device is particularly suited to beam stabilization tasks in laser communication, lidar, and similar optical applications. In fact, work on the Mars Laser Communication Demonstration project at MIT Lincoln Laboratory provided the original impetus for developing the subject technology. My work on this project is divided into five distinct phases: Electromagnetic and mechanical design of the mirror itself; fabrication and assembly of the mechanical hardware; initial testing and dynamic model generation; design and fabrication of an electronic analog controller; and final closed loop performance demonstrations. I performed the first two phases on the MIT campus, and the final three phases at MIT Lincoln Laboratory. Each project phase is described in detail herein. Ultimately, I demonstrate performance from the hardware and control electronics exceeding the original design goal of 5 kHz. As this original prototype is merely a testbed, I also describe possible evolutions of the design to optimize form factor, performance, and flightworthiness.
by Daniel Joseph Kluk.
S.M.
243 p.
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by
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http://dspace.mit.edu/handle/1721.1/7582
Mechanical Engineering.
An Advanced Fast Steering Mirror for optical communication
AFSM for optical communication
Thesis
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