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Supercontinuum Q-switched Yb fiber laser using an intracavity microstructured fiber
J Cascante-Vindas1, A Díez, J L Cruz
1Departamento de Física Aplicada-ICMUV, Universidad de Valencia, Dr. Moliner 50, 46100 Burjassot, Spain.
Optics Letters
|December 3, 2009
Summary
We demonstrate a novel intracavity supercontinuum generation method using a Q-switched ytterbium fiber laser. This configuration produces broadband pulses with significant energy and a wide spectrum, suitable for various applications.
Area of Science:
- Laser Physics
- Nonlinear Optics
Background:
- Supercontinuum generation is crucial for broadband light sources.
- Q-switched fiber lasers offer compact and efficient laser systems.
Purpose of the Study:
- To investigate an intracavity configuration for supercontinuum generation.
- To characterize the performance of a Q-switched Yb fiber laser for supercontinuum emission.
Main Methods:
- Integrating microstructured fiber within a Q-switched Yb fiber laser cavity.
- Utilizing a pump power of 380 mW.
- Characterizing the output supercontinuum spectrum, pulse energy, and temporal width.
Main Results:
- Broadband supercontinuum pulses with 6 microJ energy and 10 ns temporal width were generated.
- The supercontinuum spectrum extended over 1.4 micrometers.
- The laser operated at repetition rates from Hz up to 2 kHz.
Conclusions:
- The intracavity configuration enables efficient supercontinuum generation in a Q-switched Yb fiber laser.
- This approach provides high-energy, broadband pulses suitable for diverse applications.
- The system demonstrates versatility in repetition rate control.
