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Electron-beam-deposited distributed polarization rotator for high-power laser applications
Optics Express
|October 17, 2014
Summary
Electron-beam deposition of silica and alumina creates distributed polarization rotators. These rotators effectively smooth laser intensity, offering low loss and high laser-damage thresholds for high-power applications.
Area of Science:
- Materials Science
- Optics
- Laser Technology
Background:
- High-peak-power lasers require precise intensity control.
- Distributed polarization rotators are crucial for laser beam smoothing.
Purpose of the Study:
- To fabricate distributed polarization rotators using electron-beam deposition.
- To evaluate the performance of these rotators for large-aperture, high-peak-power laser systems.
Main Methods:
- Utilized electron-beam deposition to create silica and alumina structures.
- Fabricated distributed polarization rotators.
Main Results:
- Achieved low-modulation transmittance.
- Demonstrated low optical loss.
- Obtained a high laser-damage threshold at 351 nm.
Conclusions:
- Electron-beam deposited silica and alumina are suitable for polarization rotators.
- The fabricated rotators meet critical performance requirements for high-power lasers.
