4. Optics: measuring and testing
  5. By light interference

Yoshihiro Sanpei

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Delay interferometer and demodulator

Optical communications – Receiver – Including postcompensation
Reexamination Certificate

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Delayed interferometer enabling a reduction of...

Optics: measuring and testing – By light interference – Having polarization
Reexamination Certificate

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Interferometer, demodulator, and splitting element

Optics: measuring and testing – By light interference
Reexamination Certificate

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Optical signal demodulator

Optical: systems and elements – Optical demodulator
Reexamination Certificate

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Spectrometer

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
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Profile ID: LFUS-PAI-P-2321134

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