Live-mirror shape correction technology operated through modified electroactive polymer actuators

K. Thetpraphi; G. Moretto; J. R. Kuhn; P. J. Cottinet; M. Q. Le; D. Audigier; L. Petit; J. F. Capsal

doi:10.1117/12.2514229

13 March 2019 Live-mirror shape correction technology operated through modified electroactive polymer actuators

K. Thetpraphi, G. Moretto, J. R. Kuhn, P. J. Cottinet, M. Q. Le, D. Audigier, L. Petit, J. F. Capsal

Proceedings Volume 10966, Electroactive Polymer Actuators and Devices (EAPAD) XXI; 109662U (2019) https://doi.org/10.1117/12.2514229
Event: SPIE Smart Structures + Nondestructive Evaluation, 2019, Denver, Colorado, United States

Abstract

The novelty of correcting optical mirrors surface in a few microns of the desired precisely-shaped are supported by electroactive polymer actuating/sensing devices. The P(VDF-TrFE-CFE) terpolymer with the 10 % DINP plasticizer has field as EAP which showed 10 times higher in longitudinal strain with respect to the neat one and the increase of total axial strain from 0.4 % - 3.0 % with the multilayer sample 1 to 8 layers respectively. The actuator stack was integrated to the mirror in order to prove the concept of adaptive mirror which is able to reach to goal of a few micron mirror deformation.

Citation Download Citation

K. Thetpraphi, G. Moretto, J. R. Kuhn, P. J. Cottinet, M. Q. Le, D. Audigier, L. Petit, and J. F. Capsal "Live-mirror shape correction technology operated through modified electroactive polymer actuators", Proc. SPIE 10966, Electroactive Polymer Actuators and Devices (EAPAD) XXI, 109662U (13 March 2019); https://doi.org/10.1117/12.2514229

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