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Electrooptic tuning of critically phase matched second harmonic generators
Applied Optics
|May 11, 2010
Summary
Electrooptic tuning of critically phase matched second harmonic generators allows for angular shifts up to 1.5 mrad without losing conversion efficiency. These findings align with theoretical predictions and suggest new applications.
Area of Science:
- Nonlinear optics
- Quantum optics
- Laser physics
Background:
- Second harmonic generation (SHG) is a key nonlinear optical process.
- Critical phase matching (CPM) is essential for efficient SHG.
- Electrooptic tuning offers a method to control SHG parameters.
Purpose of the Study:
- To investigate the electrooptic tuning of critically phase matched second harmonic generators.
- To experimentally verify theoretical predictions for electrooptic tuning in SHG.
- To explore potential applications of this tunable SHG technique.
Main Methods:
- Theoretical modeling of electrooptic effects on phase matching.
- Experimental setup for electrooptic tuning of SHG crystals.
- Measurement of angular tuning range and conversion efficiency.
Main Results:
- Achieved angular shifts of up to 1.5 mrad using electrooptic tuning.
- Demonstrated no degradation in conversion efficiency during tuning.
- Experimental results show good agreement with theoretical predictions.
Conclusions:
- Electrooptic tuning is an effective method for controlling the output angle of SHG.
- This technique preserves high conversion efficiency.
- Potential applications in tunable laser systems and optical signal processing exist.
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