| 摘要 |
A method for manufacturing an optical waveguide including a core 1 and a cladding 2 that are integrally formed is provided. The method includes a masking step of masking a monolayer film 11 containing a photobleachable material by sandwiching the monolayer film 11 between a pair of masking members 12 A and 12 B, a first photoirradiation step of irradiating the monolayer film 11 with light from two opposing directions through the pair of masking members 12 A and 12 B, a removing step of removing the pair of masking members 12 A and 12 B from the monolayer film 11, and a second photoirradiation step of irradiating the monolayer film 11 after removing the masking members 12 A and 12 B with light from the two opposing directions.
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