Integrated Optical Waveguide Electric Field Sensors Based on Bismuth Germanate
Jin Wang,
Yilin Song,
Xuefei Song
et al.
Abstract:Bismuth germanate (Bi4Ge3O12, BGO) is a widely used optical sensing material with a high electro-optic coefficient, ideal for optical electric field sensors. Achieving high precision in electric field sensing requires fabricating optical waveguides on BGO. Traditional waveguide writing methods face challenges with this material. This study explores using femtosecond laser writing technology for preparing waveguides on BGO, leveraging ultrafast optical fields for superior material modification. Our experimental… Show more
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