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Bimorph piezo deformable mirror for femtosecond pulse shaping
Optics Express
|June 5, 2009
Summary
We developed a piezoceramic deformable mirror that can compensate for phase distortions. This advanced optical compressor successfully restored femtosecond laser pulses, achieving near-original pulse shapes after significant stretching.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Femtosecond laser pulse shaping is crucial for advanced applications.
- Achieving precise phase control in ultrafast optics presents significant challenges.
Purpose of the Study:
- To develop and demonstrate a novel bimorph piezoceramic deformable mirror for phase compensation.
- To evaluate the mirror's capability in compressing highly stretched femtosecond laser pulses.
Main Methods:
- Fabrication of a bimorph piezoceramic deformable mirror with 28 independently controlled vertical sectors.
- Implementation of the mirror in a reflective 2f optical setup.
- Experimental compression of femtosecond laser pulses initially stretched by a factor of 60.
Main Results:
- The deformable mirror achieved phase compensation in the range of a few hundred radians.
- Femtosecond laser pulses stretched by a factor of 60 were compressed close to their initial shape.
- Demonstrated effective pulse compression using the developed optical compressor.
Conclusions:
- The developed piezoceramic deformable mirror is effective for significant phase compensation.
- This technology enables efficient compression of highly stretched femtosecond laser pulses.
- The reflective 2f setup with the deformable mirror offers a viable solution for ultrafast pulse restoration.
