![Micromachines | Free Full-Text | An Annular Fresnel Zone Plate without Central Spots Fabricated by Femtosecond Laser Direct Writing Micromachines | Free Full-Text | An Annular Fresnel Zone Plate without Central Spots Fabricated by Femtosecond Laser Direct Writing](https://www.mdpi.com/micromachines/micromachines-13-01285/article_deploy/html/images/micromachines-13-01285-g010.png)
Micromachines | Free Full-Text | An Annular Fresnel Zone Plate without Central Spots Fabricated by Femtosecond Laser Direct Writing
![Close-up Photo of a Lighthouse Lamp with Glass Rings of Fresnel Lens Stock Photo - Image of fresnel, lens: 269023852 Close-up Photo of a Lighthouse Lamp with Glass Rings of Fresnel Lens Stock Photo - Image of fresnel, lens: 269023852](https://thumbs.dreamstime.com/z/close-up-photo-lighthouse-lamp-glass-rings-fresnel-lens-metal-frame-269023852.jpg)
Close-up Photo of a Lighthouse Lamp with Glass Rings of Fresnel Lens Stock Photo - Image of fresnel, lens: 269023852
![a) A Fresnel lens assembled from concentric rings of microwires with... | Download Scientific Diagram a) A Fresnel lens assembled from concentric rings of microwires with... | Download Scientific Diagram](https://www.researchgate.net/profile/V-Sergentu/publication/330293017/figure/fig2/AS:713611160870912@1547149567205/a-A-Fresnel-lens-assembled-from-concentric-rings-of-microwires-with-various-densities_Q320.jpg)
a) A Fresnel lens assembled from concentric rings of microwires with... | Download Scientific Diagram
![Micromachines | Free Full-Text | An Annular Fresnel Zone Plate without Central Spots Fabricated by Femtosecond Laser Direct Writing Micromachines | Free Full-Text | An Annular Fresnel Zone Plate without Central Spots Fabricated by Femtosecond Laser Direct Writing](https://www.mdpi.com/micromachines/micromachines-13-01285/article_deploy/html/images/micromachines-13-01285-g001.png)