Resonance-domain diffractive lens for the terahertz region.
Published
Journal Article
Diffractive optics has long served as the basis of spectroscopic measurements of materials. Operation in the resonance domain further allows these elements to achieve high efficiency and polarization control. An effective grating theory is a practical tool for modeling such optics, and here we extend use of this theory to the terahertz region, experimentally demonstrating an all-dielectric binary off-axis diffractive lens. We achieve a high-efficiency, polarization-independent optic that both focuses and disperses terahertz light, suggesting potential applications in pharmaceutical, security, and semiconductor imaging.
Full Text
Duke Authors
Cited Authors
- Nadell, C; Fan, K; Padilla, W
Published Date
- May 2018
Published In
Volume / Issue
- 43 / 10
Start / End Page
- 2384 - 2387
PubMed ID
- 29762598
Pubmed Central ID
- 29762598
Electronic International Standard Serial Number (EISSN)
- 1539-4794
International Standard Serial Number (ISSN)
- 0146-9592
Digital Object Identifier (DOI)
- 10.1364/ol.43.002384
Language
- eng