SBIR/STTR Research Award

ANEW APPROACH TO MEMBRANE MIRROR STABILIZATION

Award identifier 2485726bf75d399eb55e8593623444569b65e28803379d9633c0ec0d7ceb31e2Awarding agency Department of Defense · Air Force

Award amount

$49,999

Program and phase

SBIR · Phase I

Award year

1988

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Award details

Awarding agency
Department of Defense
Branch
Air Force
Recipient company
Sparta, Inc.
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

THE PROBLEM OF INSTABILITY IN MEMBRANE MIRRORS USED IN WAVEFRONT CORRECTORS AND THEIR STABILIZATION BY ACTIVE CONTROL IS PROPOSED. SUCH SYSTEMS DISPLAY AN INSTABILITY IN THE TRANSVERSE VIBRATION, WHICH LEADS TO UNACCEPTABLE ERRORS IN OPTICS AND AN INABILITY TO INCREASE THE NUMBER OF MIRROR ACTUATORS TO LEVELS COMPATIBLE WITH FUTURE APPLICATIONS. RECOGNITION OF THE INSTABILITY MECHANISM AND ITS STABILIZATION ARE DIFFICULT DUE TO THE MATHEMATICAL COMPLEXITY. THE POWERFUL GMS TECHNIQUE DEVELOPED BY THE PRINCIPAL INVESTIGATOR WILL BE EMPLOYED TO SOLVE THE PROBLEM. SIMILAR SYSTEMS HAVE BEEN SUCCESSFULLY ANALYZED BY THIS METHOD. PHASE I GOALS INCLUDE (1) GMS ANALYSIS OF MEMBRANE DYNAMICS AND, (2) IDENTIFICATION OF PARAMETERS INFLUENCING INSTABILITIES, AND (3) DEVELOPMENT OF CONTROL LAWS FOR STABILIZATION AND/OR DESIGN CONSTRAINTS.

Technology keywords

Not reported

Agency intelligence

Department of Defense

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