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Fabrication of optical microlenses in glass using a femtoseccond laser for LBA-on-a-chip applications

  • Y. Cheng
  • , H. L. Tsai*
  • *此作品的通讯作者

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

We describe the fabrication of microoptical cylindrical and hemispherical lenses vertically embedded in a photosensitive Foturan glass by femtosecond (fs) laser three-dimensional (3D) micromachining. The process is mainly composed of four steps: (1) fs laser scanning in the photosensitive glass to form curved surfaces (spherical and/or cylindrical); (2) postannealing of the sample for modification of the exposed areas; (3) chemical etching of the sample for selective removal of the modified areas; and (4) second postannealing for smoothening the surfaces of the tiny lenses. We examine the focusing ability of the microoptical lenses using a He-Ne laser beam, showing great potential of using these microoptical lenses in lab-on-a-chip applications.

源语言英语
主期刊名Proceedings of 2006 ASME International Mechanical Engineering Congress and Exposition, IMECE2006 - Heat Transfer
出版商American Society of Mechanical Engineers (ASME)
ISBN(印刷版)0791837904, 9780791837900
出版状态已出版 - 2006
已对外发布
活动2006 ASME International Mechanical Engineering Congress and Exposition, IMECE2006 - Chicago, IL, 美国
期限: 5 11月 200610 11月 2006

出版系列

姓名American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
ISSN(印刷版)0272-5673

会议

会议2006 ASME International Mechanical Engineering Congress and Exposition, IMECE2006
国家/地区美国
Chicago, IL
时期5/11/0610/11/06

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