Broad-Bandwidth Micro-Diffractive Optical Elements

Zhi‐Yong Hu

doi:10.1002/lpor.202100537

2021-12-22

PRE

DOI：10.1002/lpor.202100537

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摘要

En 中文

Thin, lightweight micro-diffractive optical elements (M-DOEs) are of great significance to integrated optics. However, the narrow working bandwidth of M-DOEs allows them to operate only at specific wavelengths. Existing solutions require multiple components assembly, which is difficult to implement in an integrated system. Here, a general designing and processing scheme of an optofluidic-integrated broad-bandwidth M-DOE is reported, achieving an average diffraction efficiency of over 84% across the entire visible band (406-824 nm). As a proof-of-concept, a wideband operating micro-diffractive lens and orbital angular momentum beam micro-generator are demonstrated. This strategy provides a common protocol for various broad-bandwidth M-DOEs operating in integrated optical systems.

Keyword:

broad-band

high-efficiency

multilayer micro-diffractive optical elements

optofluidic-integrated

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期刊

Laser and Photonics Reviews

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论文数:

3.7K

被引数:

2.1W

机构

Jilin University

学者数:

8.7W

论文数: 5.6W

被引数: 8.9K

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