Glassy photomechanical liquid-crystal network actuators for microscale devices C. L. van Oosten, K. D. Harris, C. W. M. Bastiaansen and D. J. Broer Eur. Phys. J. E, 23 3 (2007) 329-336 Published online: 09 August 2007 DOI: 10.1140/epje/i2007-10196-1