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Nonlinear Optical Materials for the Smart Filtering of Optical Radiation
Danilo Dini1, Mário J F Calvete2, Michael Hanack3
1Department of Chemistry, University of Rome "La Sapienza" , P.le Aldo Moro 5, I-00185 Rome, Italy.
Chemical Reviews
|December 10, 2016
Summary
This review explores photoactive materials for smart radiation control, focusing on nonlinear optical properties for optical power limiting applications in technology and medicine. It details various material types and their dynamic filtering capabilities without external systems.
Area of Science:
- Materials Science
- Optics
- Chemistry
Background:
- Controlling luminous radiation is crucial for advanced technologies and medicine.
- Smart materials offer dynamic radiation filtering without external activation.
- Nonlinear optical properties are key for optical power limiting applications.
Purpose of the Study:
- To review chemical structures and photophysical features of materials for smart radiation control.
- To emphasize photoactive materials with nonlinear optical properties for optical power limiting.
- To analyze mechanisms of optical limiting across diverse material types.
Main Methods:
- Literature review of chemical structures and photophysical properties.
- Analysis of nonlinear optical phenomena in various material classes.
- Discussion of optical power limiting mechanisms and material suitability.
Main Results:
- Detailed examination of organic dyes, metalloporphyrins, metallophthalocyanines, fullerenes, polymers, and inorganic semiconductors.
- Identification of materials with dynamic, smart radiation filtering capabilities.
- Comprehensive analysis of optical power limiting mechanisms.
Conclusions:
- Photoactive materials with specific chemical structures and photophysical properties are essential for smart radiation control.
- Nonlinear optical properties enable effective optical power limiting.
- Diverse material classes show potential for advanced radiation filtering devices.
