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Copper-vapor laser with self-starting LiNbO(3) nonlinear mirror
Optics Letters
|September 2, 2009
Summary
A novel self-starting nonlinear mirror was developed using a photorefractive lithium niobate crystal for copper-vapor lasers. This nonlinear mirror functions as a volume phase grating, enhancing laser performance.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Copper-vapor lasers are widely used for various applications.
- Nonlinear optical elements are crucial for advanced laser systems.
Purpose of the Study:
- To describe a self-starting nonlinear mirror for copper-vapor lasers.
- To investigate the use of photorefractive lithium niobate crystals in laser systems.
Main Methods:
- Fabrication of a nonlinear mirror using a photorefractive lithium niobate (LiNbO3):Fe crystal.
- Recording a reflection-type volume phase grating within the crystal.
- Utilizing the superradiance beam from an active copper-vapor tube to record the grating.
Main Results:
- Successful implementation of a self-starting nonlinear mirror.
- Demonstration of a reflection-type volume phase grating acting as the nonlinear mirror.
- The grating was recorded using the laser's own superradiance.
Conclusions:
- The developed nonlinear mirror is effective for copper-vapor lasers.
- Photorefractive LiNbO3:Fe crystals are suitable for creating nonlinear optical elements.
- This approach offers a self-starting mechanism for laser operation.
