High-Bandwidth Lightweight Primary Mirror Concept Demonstration

S. Johnson; T. Farrell; C. Neufeld

doi:10.1117/12.940478

6 October 1987 High-Bandwidth Lightweight Primary Mirror Concept Demonstration

S. Johnson, T. Farrell, C. Neufeld

Proceedings Volume 0779, Electromechanical System Interaction with Optical Design; (1987) https://doi.org/10.1117/12.940478
Event: 1987 Technical Symposium Southeast on Optics, Electro-Optics, and Sensors, 1987, Orlando, FL, United States

Abstract

A unique approach to achieving high temporal bandwidth control of large active primary mirrors has been conceived and demonstrated experimentally. This high speed control is accomplished via implementation of a lightweight, reactionless facesheet that overcomes the typical mechanical resonance limitations on bandwidth for large primary mirror assemblies. Laboratory testing of a reactionless facesheet breadboard has: . Validated the reactionless principles of self-canceling symmetry of mass motion and stiffness forces . Confirmed the localized influence function of the inherently stiff high density, piezoelectric actuators used to control the mirror surface figure . Confirmed the feasibility of achieving high bandwidth control of large primary mirrors. This paper describes the design, test methods, and results of a concept demonstration and compares test data and predicted response.

Citation Download Citation

S. Johnson, T. Farrell, and C. Neufeld "High-Bandwidth Lightweight Primary Mirror Concept Demonstration", Proc. SPIE 0779, Electromechanical System Interaction with Optical Design, (6 October 1987); https://doi.org/10.1117/12.940478

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
12 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Actuators

Mirrors

Optical design

Fourier transforms

Interfaces

Lightweight mirrors

Aluminum

Show All Keywords

Keywords/Phrases

Search In:

Publication Years