$Centimeter-Sized Aplanatic Hybrid Diffractive-Refractive Lens$

Centimeter-Sized Aplanatic Hybrid Diffractive-Refractive Lens

The design and the fabrication of a hybrid diffractive-refractive lens (HDRL) by the femtosecond laser direct writing technique at 343-nm wavelength are demonstrated. The diffractive part is a 10-mm-diameter aplanatic element inside a Z-cut sapphire wafer. The refractive part is a spherical planocon...

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Veröffentlicht in:	IEEE photonics technology letters 2019-01, Vol.31 (1), p.3-6
Hauptverfasser:	Hua, Jian-Guan, Hu, Zhi-Yong, Xu, Si-Jia, Tian, Zhen-Nan, Yu, Yan-Hao, Chen, Qi-Dai, Sun, Hong-Bo
Format:	Artikel
Sprache:	eng
Schlagworte:	Aplanatism Cameras Direct laser writing Femtosecond laser hybrid diffractive-refractive lens Image resolution imaging resolution Integrated optics Lenses Modulation transfer function Optical device fabrication Optical diffraction Optical imaging Optical reflection Optical refraction Optical variables control Product design Radius of curvature Refractive lenses Sapphire Thermal stability Weight
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