Related Experiment Video
Updated: May 27, 2026
07:22
Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon
Published on: February 3, 2023
High-index-contrast grating reflector with beam steering ability for the transmitted beam
Luca Carletti1, Radu Malureanu, Jesper Mørk
1DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark.
Optics Express
|November 24, 2011
Summary
High-index contrast grating mirrors offer wavefront control and broad bandwidth reflectivity. These novel optical components can reduce costs in laser fabrication by enabling simpler optoelectronic integration.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Traditional optical systems often rely on bulky and expensive lens assemblies.
- Achieving high reflectivity across a broad spectrum is crucial for many laser applications.
Purpose of the Study:
- To propose and investigate high-index contrast grating (HCG) mirrors for advanced optical control.
- To establish design rules for engineering HCG mirrors for diverse applications.
Main Methods:
- Numerical simulations were employed to model HCG mirror performance.
- Experimental investigations were conducted to validate the numerical findings.
Main Results:
- Demonstrated HCG mirrors provide precise wavefront control of transmitted light.
- Achieved high reflectivity over a broad bandwidth using HCG structures.
Conclusions:
- HCG mirrors offer a compact and efficient alternative to conventional optical systems.
- These grating mirrors have the potential to significantly reduce costs in laser fabrication and optoelectronic integration.
