概括
本研究介绍了一种用于二氧化光学的新型3D打印方法,通过使用双光子聚合,在达曼网格 (DGs) 中实现低侧收缩. 这种技术可以精确制造复杂的衍射光学元件.
科学领域:
- 材料科学 材料科学 材料科学
- 光学是什么?光学是什么?光学是什么?
- 添加剂制造 添加剂制造 添加剂制造
背景情况:
- 三维打印提供了先进的玻璃光学制造.
- 高精度的玻璃光学3D打印受到材料收缩的阻碍.
研究的目的:
- 开发一种3D打印技术,用于减少横向收缩的玻璃光学.
- 使用双光子聚合 (2PP) 高精度制造达曼格 (DGs).
主要方法:
- 采用两光子聚合 (2PP) 技术,使用515nm Femtosecond激光器对玻璃泥进行图案.
- 采用了两步的工艺,包括打造图案,然后在透明的二氧化玻璃中解绑/结.
主要成果:
- 在3D打印的达曼格 (DGs) 中实现了较低的横向收缩 (<4%).
- 观察到不同的收缩率:侧面收缩减少,面积比增加,而纵向收缩增加.
- 一个面比约为60的结构显示了最小的横向收缩 (1.1%) 和61.7%的纵向收缩.
- 印刷的DG表现出20nm以下的表面粗度和良好的光束成形性能.
结论:
- 基于2PP的3D打印技术有效地减少了玻璃光学中的侧向收缩.
- 这种方法促进了复杂的衍射光学元件的快速原型制造,克服了以前的制造限制.
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