Invention Grant
- Patent Title: Low-loss metasurface optics for deep UV
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Application No.: US17136277Application Date: 2020-12-29
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Publication No.: US11885979B2Publication Date: 2024-01-30
- Inventor: Cheng Zhang , Shawn Divitt , Wenqi Zhu , Amit Kumar Agrawal , Henri Lezec
- Applicant: University of Maryland, College Park , Government of the United States of America as represented by the Secretary of Commerce
- Applicant Address: US MD College Park
- Assignee: UNIVERSITY OF MARYLAND, COLLEGE PARK,GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF COMMERCE
- Current Assignee: UNIVERSITY OF MARYLAND, COLLEGE PARK,GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF COMMERCE
- Current Assignee Address: US MD College Park; US MD Gaithersburg
- Agency: Quarles & Brady LLP
- Agent Yakov Sidorin
- Main IPC: G02B3/08
- IPC: G02B3/08 ; C23C16/40 ; C23C16/04 ; G02B1/118 ; C23C16/455

Abstract:
High-performance optical-metasurface-based components configured to at frequencies of UV light and, in particular, in deep UV range and performing multiple optical-wavefront-shaping functions (among which there are high-numerical-aperture lensing, accelerating beam generation, and hologram projection). As a representative material for such components, hafnium oxide demands creation and establishment of a novel process of manufacture that is nevertheless based on general principles of Damascene lithography, to be compatible with existing technology and yet sufficient for producing high-aspect-ratio features that currently-used materials and processes simply do not deliver. The described invention opens a way towards low-form-factor, multifunctional ultraviolet nanophotonic platforms based on flat optical components and enabling diverse applications including lithography, imaging, spectroscopy, and quantum information processing.
Public/Granted literature
- US20210208312A1 LOW-LOSS METASURFACE OPTICS FOR DEEP UV Public/Granted day:2021-07-08
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