4. Optics: measuring and testing
  5. By dispersed light spectroscopy
  6. Utilizing a spectrometer

Andy Zhou

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Apparatus and method for driving diffraction gratings

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent

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Method and apparatus for separating channel signals

Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate

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Motor driven variable optical attenuator with IR sensor...

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1642565

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