Fabrication and characterization of proton-exchanged optical waveguides in Z-LiNbO3 using orthophosphoric acid

A. L. Dawar; J. C. Joshi; V. K. Sharma; Avinashi Kapoor; Kailash Narayan Tripathi

doi:10.1117/12.60082

1 January 1993 Fabrication and characterization of proton-exchanged optical waveguides in Z-LiNbO₃ using orthophosphoric acid

A. L. Dawar, J. C. Joshi, V. K. Sharma, Avinashi Kapoor, Kailash Narayan Tripathi

Author Affiliations +

Optical Engineering, Vol. 32, Issue 1, (January 1993). https://doi.org/10.1117/12.60082

Abstract

A systematic study of the fabrication and characterization of planar optical waveguides in Z-LiNbO₃, fabricated by the proton exchange technique using orthophosphoric acid is reported. The guides are fabricated by immersing lithium niobate substrates in orthophosphoric acid for different durations. The results are compared with those for guides fabricated using benzoic acid under similar conditions. The data are analyzed to calculate the value of the diffusion coefficients. The surface index and the depth produced using the orthophosphoric acid proton exchange process is marginally higher.

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A. L. Dawar, J. C. Joshi, V. K. Sharma, Avinashi Kapoor, and Kailash Narayan Tripathi "Fabrication and characterization of proton-exchanged optical waveguides in Z-LiNbO₃ using orthophosphoric acid," Optical Engineering 32(1), (1 January 1993). https://doi.org/10.1117/12.60082

Published: 1 January 1993

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