Diffraction grating device manufacturing method, diffraction grating device manufacturing apparatus, and diffraction grating device

   
   

In this diffraction grating device manufacturing method, refractive-index-change-inducing light of a wavelength that induces a change in refractive index is irradiated onto an optical waveguide, thus forming a diffraction grating through refractive index modulation along the longitudinal direction of the optical waveguide. At this time, the position of irradiation of the refractive-index-change-inducing light onto the optical waveguide is swung in a direction perpendicular to the longitudinal direction of the optical waveguide.

Neste método de manufacturing do dispositivo do grating de diffraction, refractive-índice-mud-induzindo a luz de um wavelength que induza uma mudança no índice refractive irradiated em um waveguide ótico, assim dando forma a um grating de diffraction com a modulação do índice refractive ao longo do sentido longitudinal do waveguide ótico. Neste tempo, a posição do irradiation da luz deindução no waveguide ótico é balançada em uma perpendicular do sentido ao sentido longitudinal do waveguide ótico.

 
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