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Integrated electro-optic lens/scanner in a LiTaO3 single crystal
K T Gahagan1, V Gopalan, J M Robinson
1Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
Applied Optics
|February 29, 2008
Summary
Researchers developed the first integrated electro-optic lens and scanner on lithium tantalate. This device offers independent control over optical functions, achieving significant lens power and deflection angles.
Area of Science:
- Photonics and Optoelectronics
- Materials Science
- Crystal Engineering
Background:
- Integrated optical devices are crucial for miniaturization and advanced functionalities.
- Lithium tantalate (LiTaO3) is a promising material for electro-optic applications due to its excellent properties.
Purpose of the Study:
- To demonstrate the first stand-alone integrated electro-optic lens and scanner on a single crystal.
- To evaluate the performance of independently controlled lens and scanner components.
Main Methods:
- Fabrication of a device on Z-cut LiTaO3 using lithographically defined domain-inverted regions.
- Experimental measurement of lens power and scanner deflection angle.
Main Results:
- Achieved a lens power of 0.233 cm(-1) kV(-1).
- Observed a deflection angle of 12.68 mrad kV(-1).
- Demonstrated independent control of lens and scanner functions.
Conclusions:
- The successful integration of electro-optic lens and scanner functions on a single LiTaO3 crystal is a significant advancement.
- This technology holds potential for compact and versatile optical systems.

