4. Optics: measuring and testing
  5. For optical fiber or waveguide inspection

Keun Joo Park

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Apparatus for monitoring frequency of WDM signals using...

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Apparatus for monitoring optical frequencies of WDM signals

Optical waveguides – With optical coupler – Plural
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Apparatus for monitoring optical signal-to-noise ratio

Optical communications – Diagnostic testing – Determination of communication parameter
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Apparatus for monitoring optical signal-to-noise ratio of...

Optics: measuring and testing – For optical fiber or waveguide inspection
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Multi-wavelength locking method and apparatus for wavelength...

Optical communications – Transmitter – Including compensation
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Profile ID: LFUS-PAI-P-2484004

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