SPIE-The society of Photo-Optical Instrumentation Engineers SPIE-the Society of Photo-Optical Instrumentation Engineers. The Society of Photo-Optical Instrumentation Engineers Society for Photo-optical Instrumentation Engineers. Proceedings of the society of photo-optical instrumentation Engineers ; Society of Photo-optical Instrumentation Engineers. Society of Photo-optical Instrumentation Engineers Society of Photo-Optical Instrumentation Engineers. Society of Photo-Optical Instrumentation Engineers Society of Photo-optical Instrumentation Engineers :