Phase-Type Fresnel Zone Plate with Multi-Wavelength Imaging Embedded in Fluoroaluminate Glass Fabricated via Ultraviolet Femtosecond Laser Lithography

Phase-Type Fresnel Zone Plate with Multi-Wavelength Imaging Embedded in Fluoroaluminate Glass Fabricated via Ultraviolet Femtosecond Laser Lithography

Herein, we report a novel optical glass material, fluoroaluminate (AlF<sub>3</sub>) glass, with excellent optical transmittance from ultraviolet to infrared wavelength ranges, which provides more options for application in optical devices. Based on its performance, the phase-type Fresnel...

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Bibliographic Details
Main Authors: Qisong Li, Xuran Dai, Haosong Shi, Yi Liu, Long Zhang
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Micromachines
Subjects:
ultraviolet femtosecond laser fabrication
inner refractive index modification
phase-type Fresnel zone plate
Online Access:https://www.mdpi.com/2072-666X/12/11/1362

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