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Femtosecond laser writing of glass, including borosilicate, sulfide, and lead glasses
Femtosecond laser writing of glass, including borosilicate, sulfide, and lead glasses
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机译:飞秒激光写入玻璃,包括硼硅酸盐,硫化物和铅玻璃
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摘要
A method of writing a pattern, such as a waveguide, in a bulk glass substrate. The bulk glass substrate can be formed from, for example, borosilicate or sulfide or lead glass. A pulsed laser beam is focused within the substrate while the focus is translated relative to the substrate along a scan path at a scan speed effective to induce an increase in the refractive index of the material along the scan path. Substantially no laser induced physical damage of the material is incurred along the scan path. Various optical devices can be made using this method.
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