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Updated: Oct 23, 2025

Fabrication of Ultra-thin Color Films with Highly Absorbing Media Using Oblique Angle Deposition

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Published on: August 29, 2017

Atomically Thin, Optically Isotropic Films with 3D Nanotopography.

Myungjae Lee¹, Jong-Hoon Kang², Fauzia Mujid²

¹James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States.

|August 20, 2021

Summary

This summary is machine-generated.

Researchers developed atomically thin, optically isotropic films by 3D reconstruction of 2D films. This breakthrough enhances flat optics for custom light-matter interactions and on-chip miniaturization.

Keywords:

3D topography TMDs atomically thin materials conformal growth optical isotropy

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Last Updated: Oct 23, 2025

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Patterning via Optical Saturable Transitions - Fabrication and Characterization

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Published on: December 11, 2014

Area of Science:

Optics and Photonics
Materials Science
Nanotechnology

Background:

Flat optics seeks to miniaturize optical systems for high-speed, low-power applications.
Current flat optical components often face limitations in performance and integration.

Purpose of the Study:

To create atomically thin, optically isotropic films for advanced flat optics.
To balance in-plane and out-of-plane optical responses on the subwavelength scale.
To enable custom-designed light-matter interactions in miniaturized optical systems.

Main Methods:

Conformal growth of monolayer transition metal dichalcogenide (TMD) films on nanodome-structured substrates.
Three-dimensional (3D) topographic reconstruction of anisotropic two-dimensional (2D) films.
Characterization of optical and photoluminescence properties.

Main Results:

Achieved an order-of-magnitude increase in out-of-plane susceptibility for enhanced angular performance.
Demonstrated polarization isotropy in off-axis absorption.
Observed improved photoluminescence emission profiles compared to flat films.
Showcased spectral generalization across the visible range for various TMD materials.

Conclusions:

3D geometric programming of optical properties offers a powerful platform for atomically thin flat optics.
The developed films enable custom light-matter interactions for on-chip optical systems.
This approach advances the development of next-generation miniaturized optical devices.