Optical limiting with C(60) and other fullerenes
Applied Optics
|February 12, 2008
Summary
Fullerenes, particularly C(60) in chlorobenzene, show promising nonlinear transmission for optical limiting devices. These materials offer effective protection against intense laser radiation.
Area of Science:
- Materials Science
- Optics
- Nanotechnology
Background:
- Optical limiting materials are crucial for protecting sensitive equipment and human eyes from high-intensity laser radiation.
- Fullerenes exhibit unique nonlinear optical properties, making them candidates for advanced optical limiting applications.
Purpose of the Study:
- To investigate the nonlinear transmission properties of various fullerenes and their derivatives.
- To identify optimal fullerene-based solutions for effective optical limiting applications.
Main Methods:
- Nonlinear transmission measurements were conducted using 7-nanosecond pulses at 532 nm from a Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) laser.
- The study evaluated different fullerenes (C(60), C(70), C(76), C(84)), C(60) derivatives, and various solvents.
Main Results:
- Solutions of C(60) demonstrated superior nonlinear transmission properties compared to other fullerenes tested.
- A solution of C(60) dissolved in chlorobenzene exhibited the most effective optical limiting performance.
Conclusions:
- C(60) and its solutions, especially in chlorobenzene, are highly effective for optical limiting applications.
- These findings support the development of fullerene-based devices for laser radiation protection.


