Novel unimorph deformable mirror with monolithic tip-tilt functionality for solid state lasers

被引：3
|
作者：
Verpoort, S. [1 ]
Wittrock, U. [1 ]
机构：
[1] Muenster Univ Appl Sci, Photon Lab, D-48565 Steinfurt, Germany
来源：
MEMS ADAPTIVE OPTICS V | 2011年 / 7931卷
关键词：
deformable mirror; laser; adaptive optics; bimorph; unimorph;
D O I：
10.1117/12.873763
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We present a new type of unimorph deformable mirror with monolithic tip-tilt functionality. The tip-tilt actuation is based on a spiral arm design. The mirror will be used in high-power laser resonators for real-time intracavity phase control. The additional tip-tilt correction with a stroke up to 6 mu m simplifies the resonator alignment significantly. The mirror is optimized for a laser beam footprint of about 10 mm. We have modeled and optimized this mirror by finite element calculations and we will present design criteria and tradeoffs for this mirrors. The mirror is manufactured from a super-polished glass substrate with very low surface scattering and excellent dielectric coating.
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页数：7
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