4. Coherent light generators
  5. Particular active media
  6. Semiconductor

Akio Yoshikawa

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Buried stripe-structure semiconductor laser

Coherent light generators – Particular active media – Semiconductor
Patent

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Diffraction element and optical pick-up assembly

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Patent

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Diffractive optical element that polarizes light and an...

Optical: systems and elements – Diffraction – From grating
Reexamination Certificate

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Diffractive optical element that polarizes light and an...

Optical: systems and elements – Diffraction – From grating
Reexamination Certificate

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Lasing system with wavelength-conversion waveguide

Coherent light generators – Particular beam control device – Nonlinear device
Patent

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Profile ID: LFUS-PAI-P-144258

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