Femtosecond long-focal-depth direct-written binary optical element

Yang, Yue; Jia, Erse; Ma, Xinyu; Xie, Chen; Liu, Bowen; Li, Yanfeng; Hu, Minglie

Femtosecond long-focal-depth direct-written binary optical element

Miniaturized integration

A femtosecond direct writing strategy with long focal depth enables microscale-resolution fabrication of mesoscale binary optical elements, addressing the bulky components issue of traditional Bessel beam shaping for miniaturized optical integration.

Yang, Yue · Jia, Erse · Ma, Xinyu · Xie, Chen · Liu, Bowen · Li, Yanfeng · Hu, Minglie

Light: Advanced Manufacturing 2023

Specifications

制造并表征了直径: {'zh': '2.2', 'en': ''} mm

Advantages

Experimentally measured quasi-Bessel beam intensity distribution highly consistent with numerical results