Femtosecond Laser Fabrication of Refractive/Diffractive Micro‐Optical Components on Hard Brittle Materials

JW Tan, G Wang, Y Li, Y Yu… - Laser & Photonics …, 2023 - Wiley Online Library
Micro‐optical components exhibit significant potential applications in various fields such as
imaging, optical fiber communication, and aerospace owing to their small size, light weight …

[HTML][HTML] Fabrication of Fresnel plates on optical fibres by FIB milling for optical trapping, manipulation and detection of single cells

RS Rodrigues Ribeiro, P Dahal, A Guerreiro… - Scientific reports, 2017 - nature.com
The development of economical optical devices with a reduced footprint foreseeing
manipulation, sorting and detection of single cells and other micro particles have been …

Metallic Fresnel zone plate implemented on an optical fiber facet for super-variable focusing of light

H Kim, J Kim, H An, Y Lee, G Lee, J Na, K Park… - Optics express, 2017 - opg.optica.org
We propose and investigate a metallic Fresnel zone plate (FZP/MFZP) implemented on a
silver-coated optical fiber facet for super-variable focusing of light, the focal point of which …

[PDF][PDF] 飞秒激光时空整形电子动态调控加工微光学元件

吴梦楠, 李晓炜, 向志昆, 张乐仪, 杨炎培… - Chinese Journal of …, 2022 - researching.cn
摘要飞秒激光加工具有精度高, 无污染, 材料适用性广, 热效应小等特点, 在加工微光学元件方面
有着独特的优势. 通过对飞秒激光进行时间和空间整形, 调控电子动态及其后续的电子 …

[HTML][HTML] Investigation of quadrate Fresnel zone plates fabricated by femtosecond laser direct writing

X Sun, F Zhou, L Duan, J Duan - Applied Sciences, 2022 - mdpi.com
The circular Fresnel zone plate (FZP) has been extensively used in micro-optics due to its
outstanding focusing performance. Despite that, the curved edge of the circular zone has …

Ultra-high NA graphene oxide flat lens on a fiber facet with near diffraction-limited focusing

X Chen, L Ma, Z He, G Cao, H Lin, B Jia - Photonics Research, 2024 - opg.optica.org
The realization of a high numerical aperture (NA) fiber lens is critical for achieving high
imaging resolution in endoscopes, enabling subwavelength operation in optical tweezers …

Fabrication of Fresnel zone plate lens in fused silica glass using femtosecond laser lithography technology

IB Sohn, MS Ahsan, YC Noh, HK Choi… - Optical …, 2014 - spiedigitallibrary.org
This paper expresses maskless formation of Fresnel zone plate (FZP) lens on fused silica
glass surface using femtosecond laser lithography technology. The FZP lens consists of a …

Gold filled in Fresnel zone plate fabricated by femtosecond laser on fiber tip

C Xu, F Zhang, S Lu, S Zhong, D Chu, J Duan - Optical Fiber Technology, 2021 - Elsevier
We present a method to fabricate Fresnel zone plate (FZP) on the multimode fiber (MMF) tip
by combining femtosecond laser direct writing with coating, polishing and chemical etching …

Optimization of the focusing characteristics of Fresnel zone plates fabricated with a femtosecond laser

F Zhou, X Sun, H Zhong, L Duan, Y Hu… - Journal of Modern …, 2021 - Taylor & Francis
In this research, amplitude Fresnel zone plates (FZPs) were fabricated on fused silica glass
with femtosecond laser. The focusing characteristics including focal length, diffraction …

Formation of a plano-convex micro-lens array in fused silica glass by using a CO2 laser-assisted reshaping technique

IB Sohn, D Yoo, YC Noh, JH Sung, SK Lee… - Journal of the Korean …, 2016 - Springer
We report on fabricating high-fill-factor plano-convex spherical and square micro-lens arrays
on fused silica glass surface by using a CO 2 laser-assisted reshaping technique. Initially …