4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Yoshiaki Tachikawa

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Arrayed-wave guide grating multi/demultiplexer with loop-back op

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent

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Disk shaped tunable optical filter

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Polarization independent optical nonreciprocal circuit based on

Optical waveguides – Polarization without modulation
Patent

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Profile ID: LFUS-PAI-P-1133851

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