Experimental investigation of optimized precision optical controlled structures

Brett P. Masters; Edward F. Crawley

doi:10.1117/12.275659

6 June 1997 Experimental investigation of optimized precision optical controlled structures

Brett P. Masters, Edward F. Crawley

Proceedings Volume 3041, Smart Structures and Materials 1997: Smart Structures and Integrated Systems; (1997) https://doi.org/10.1117/12.275659
Event: Smart Structures and Materials '97, 1997, San Diego, CA, United States

Abstract

A spacecraft-like optical interferometry system is investigated experimentally over several different optimized controlled structures configurations. Configurations represent common and not-so-common approaches to mitigating pathlength errors induced by disturbances of two different spectra. Results show that an optimized controlled structure for low frequency broadband disturbances achieves modest performance gains over a mass equivalent regular structure, while an optimized structure for high frequency narrow band disturbances is four times better in terms of rms pathlength. These results are predictable given the nature of the physical system and the optimization design variables. Fundamental limits on controlled performance are discussed based on average system transfer function gains and system phase loss.

Citation Download Citation

Brett P. Masters and Edward F. Crawley "Experimental investigation of optimized precision optical controlled structures", Proc. SPIE 3041, Smart Structures and Materials 1997: Smart Structures and Integrated Systems, (6 June 1997); https://doi.org/10.1117/12.275659

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