A Millimetre-Wave Cuboid Solid Immersion Lens with Intensity-Enhanced Amplitude Mask Apodization

Liyang Yue, Bing Yan, James N. Monks, Rakesh Dhama, Zengbo Wang, Oleg V. Minin, Igor V. Minin

Research output: Contribution to journalArticle

  • 3 Citations

Abstract

Photonic jet is a narrow, highly intensive, weak-diverging beam propagating into a background medium and can be produced by a cuboid solid immersion lens (SIL) in both transmission and reflection modes. Amplitude mask apodization is an optical method to further improve the spatial resolution of a SIL imaging system via reduction of waist size of photonic jet, but always leading to intensity loss due to central masking of the incoming plane wave. In this letter, we report a particularly sized millimetre-wave cuboid SIL with the intensity-enhanced amplitude mask apodization for the first time. It is able to simultaneously deliver extra intensity enhancement and waist narrowing to the produced photonic jet. Both numerical simulation and experimental verification of the intensity-enhanced apodization effect are demonstrated using a copper-masked Teflon cuboid SIL with 22-mm side length under radiation of a plane wave with 8-mm wavelength. Peak intensity enhancement and the lateral resolution of the optical system increase by about 36.0% and 36.4% in this approach, respectively.

LanguageEnglish
Pages546-552
Number of pages7
JournalJournal of Infrared, Millimeter, and Terahertz Waves
Volume39
Issue number6
DOIs
Publication statusPublished - 1 Jun 2018

Fingerprint

apodization
Millimeter waves
millimeter waves
submerging
Masks
Lenses
masks
lenses
Photonics
photonics
plane waves
Polytetrafluoroethylenes
Optical systems
Imaging systems
augmentation
teflon (trademark)
masking
Copper
Radiation
Wavelength

Keywords

  • Apodization
  • Cuboid lens
  • Millimetre-wave
  • Photonic jet
  • Solid immersion lens

ASJC Scopus subject areas

  • Radiation
  • Instrumentation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

A Millimetre-Wave Cuboid Solid Immersion Lens with Intensity-Enhanced Amplitude Mask Apodization. / Yue, Liyang; Yan, Bing; Monks, James N.; Dhama, Rakesh; Wang, Zengbo; Minin, Oleg V.; Minin, Igor V.

In: Journal of Infrared, Millimeter, and Terahertz Waves, Vol. 39, No. 6, 01.06.2018, p. 546-552.

Research output: Contribution to journalArticle

Yue, Liyang ; Yan, Bing ; Monks, James N. ; Dhama, Rakesh ; Wang, Zengbo ; Minin, Oleg V. ; Minin, Igor V. / A Millimetre-Wave Cuboid Solid Immersion Lens with Intensity-Enhanced Amplitude Mask Apodization. In: Journal of Infrared, Millimeter, and Terahertz Waves. 2018 ; Vol. 39, No. 6. pp. 546-552.
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