PASSIVE AND ACTIVE PHOTONIC CRYSTAL STRUCTURES AND DEVICES
申请人:Cunningham Brian T.
公开号:US20090323014A1
公开(公告)日:2009-12-31
The present invention provides photonic crystal devices, device components and methods for preventing transmission of electromagnetic radiation from one or more laser sources or laser modes so as to provide an optical shield for protecting a users eyes or an optical sensor. The present invention also provides dynamic photonic crystals and devices incorporating dynamic photonic crystals for optically modulating the intensity of one or more beams of electromagnetic radiation and other optical switching applications.