4. Optical waveguides
  5. Integrated optical circuit

Yongqian Liu

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Dynamically configurable spectral filter

Optical waveguides – Integrated optical circuit
Reexamination Certificate

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Gain control and shaping of EDFAs via dual cavity gain control

Optical: systems and elements – Optical amplifier – Correction of deleterious effects
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LED curing light having fresnel lenses

Dentistry – Apparatus – Having means to emit radiation or facilitate viewing of the...
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Long band optical amplifier

Optical: systems and elements – Optical amplifier – Correction of deleterious effects
Reexamination Certificate

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Long band optical amplifier

Optical: systems and elements – Optical amplifier – Optical fiber
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Profile ID: LFUS-PAI-P-2054177

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