Optical detection system

• Main Authors: Wild, Norman R, Leavy, Jr., Paul M
• Format: Patent
• Language: English
• Published: 05.08.2003

Applicants herein have made the discovery that any type of focusing device in combination with a surface, exhibiting any degree of reflectivity and positioned near the focal plane of the device, acts as a retro-reflector. A retroreflector is defined as a reflector wherein incident rays or radiant en...