Novel concept for large deformable mirrors

Torben E. Andersen; O. Garpinger; Mette Owner-Petersen; F. Bjoorn; R. Svahn; Arne L. Ardeberg

doi:10.1117/1.2227014

1 July 2006 Novel concept for large deformable mirrors

Torben E. Andersen, O. Garpinger, Mette Owner-Petersen, F. Bjoorn, R. Svahn, Arne L. Ardeberg

Author Affiliations +

Optical Engineering, Vol. 45, Issue 7, 073001 (July 2006). https://doi.org/10.1117/1.2227014

Abstract

Large, high-bandwidth deformable mirrors (DMs) with thousands of actuators for adaptive optics are of high interest for existing large telescopes and indispensable for construction of efficient future extremely large telescopes. Different actuation and sensing principles are possible. We propose a novel concept using commercially available voice coil actuators attached to the back of the mirror with suction cups and using LVDT sensors on the actuators for local stabilization. Also, a new low-cost sensor for easy measurement of DM displacement or velocity has been developed. It has a sensitivity better than 20 nm and a bandwidth wider than 20 to 1000 Hz. Finally, studies are in progress of global, hierarchical mirror form controllers based on many parallel multiple-input, multiple-output regulators of low order.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Torben E. Andersen, O. Garpinger, Mette Owner-Petersen, F. Bjoorn, R. Svahn, and Arne L. Ardeberg "Novel concept for large deformable mirrors," Optical Engineering 45(7), 073001 (1 July 2006). https://doi.org/10.1117/1.2227014

Published: 1 July 2006

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