Microengineering and Nanotechnology Laboratory;
School of Engineering;
University of Birmingham;
Birmingham B152TT;
UK;
Harvard Medical School and Wellman Center for Photomedicine;
Massachusetts General Hospital;
Cambridge;
MA 02139;
USA;
Harvard-MIT Division of Health Sciences and Technology;
Massachusetts Institute of Technology;
Cambridge;
MA 02139;
USA;
Bragg gratings; corner cube retroreflectors; diffraction optics; holography; sensors;