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Surface microfabrication of fused silica glass by UV laser irradiation

机译:紫外激光辐照熔融石英玻璃的表面微加工

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摘要

Surface micro-structuring of fused silica glass plates was performed by single-shot irradiation with a single-mode laser beam from a diode-pumped solid state UV laser at 355 nm. Well-defined micropattern without debris and microcrack formations around the etched area was fabricated by laser ablation with a focused laser-beam in the ambient air. The time-resolved optical emission spectra of plume were measured to elucidate the ablation behavior of silica glass induced by nanosecond-pulsed laser irradiation at 355 nm where absorption of silica glass is negligibly small. This method is suitable for rapid prototyping of surface microstructuing without a clean room environment.
机译:熔融石英玻璃板的表面微结构是通过单次照射,采用来自二极管泵浦固态UV激光器的355 nm单模激光束进行的。通过在环境空气中用聚焦激光束进行激光烧蚀来制造清晰的微图案,在蚀刻区域周围没有碎屑和微裂纹。测量烟羽的时间分辨发射光谱,以阐明在355 nm处纳秒脉冲激光辐照引起的石英玻璃的烧蚀行为,其中石英玻璃的吸收很小。此方法适用于没有洁净室环境的表面微结构的快速原型制作。

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