Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate
2007-06-08
2011-10-04
Souw, Bernard E (Department: 2881)
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
C250S505100, C850S030000, C430S396000, C369S112030, C369S112070, C369S112250
Reexamination Certificate
active
08030604
ABSTRACT:
A near-field detection optical component operating in transmission. It includes at least one portion (11b) forming at least one grating (11) of diffraction microstructures (11a) succeeding one another over several periods (p), this grating (11) being capable of converting evanescent waves (16), which are established between the component and an object (12) located in the near field, when it reflects or emits radiation having a wavelength, into propagating waves (16′) by a diffraction effect during transmission through the portion (11b) forming the grating (11) of diffraction microstructures (11a). The period (p) of the grating (11) being of the order of magnitude of the wavelength of the radiation.
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Mimouni Salim
Poupinet Ludovic
Commissariat a l''Energie Atomique
Pearne & Gordon LLP
Souw Bernard E
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