Sol-gel derived ionic copper-doped microstructured optical fiber: a potential selective ultraviolet radiation
Hicham El Hamzaoui1, Youcef Ouerdane, Laurent Bigot
1Laboratoire PhLAM/IRCICA, CNRS-Université Lille 1, F-59655 Villeneuve d'Ascq Cedex, France.
Optics Express
|February 8, 2013
Summary
We developed a novel copper-doped photonic crystal fiber for UV-C radiation dosimetry. This reusable fiber shows a stable, linear response, making it ideal for accurate UV-C measurements.
Area of Science:
- Materials Science
- Optics and Photonics
- Analytical Chemistry
Background:
- Photonic crystal fibers (PCFs) offer unique light-guiding properties.
- Accurate UV-C dosimetry is crucial for various applications.
- Developing stable and reusable dosimeters remains a challenge.
Purpose of the Study:
- To fabricate and characterize a novel sol-gel derived photonic crystal fiber doped with ionic copper.
- To evaluate the potential of this fiber for UV-C radiation dosimetry.
Main Methods:
- Sol-gel fabrication of a silica core doped with ionic copper.
- Photonic crystal fiber drawing and characterization.
- Optical measurements including photoluminescence and response to 244 nm excitation.
Main Results:
- Ionic copper was successfully preserved throughout the fabrication process.
- The copper-doped PCF exhibited visible photoluminescence.
- A linear and fully reversible response to 244 nm light excitation up to 2.7 mW was observed.
Conclusions:
- The ionic copper-doped PCF is a promising candidate for UV-C dosimetry.
- The fiber's stability and reversibility enable reusable, real-time UV-C sensing applications.
