Abstract
In order to correct wave front distortions, a technique has been developed based on adaptive optics used in a pre-compensation configuration. The system consist of a wave front sensor and an optically driven liquid crystal Spatial Light Modulator (SLM) as a wave front corrector. The main advantage of the sensor is its ability to detect phase deformation of several tens of wavelengths with an accuracy around A,/10. This approach appears to be a good candidate for phase shaping ultra-intense laser system exhibiting strong wave front distortions. The use of a optically addressed single large liquid crystal cell covering the entire beam aperture makes this device diffraction free. The choice of a pre-compensation geometry is discussed and preliminary results are presented.
| Original language | English |
|---|---|
| Pages (from-to) | 227-238 |
| Number of pages | 12 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 3047 |
| DOIs | |
| Publication status | Published - 8 Dec 1997 |
| Event | 2nd Annual International Conference on Solid State Lasers for Application to Inertial Confinement Fusion 1996 - Paris, France Duration: 22 Oct 1996 → 25 Oct 1996 |
Keywords
- Adaptive optics
- Optically addressed liquid crystal light valve
- Shearing interferometry
- Three-wave lateral shearing interferometer
- Ultra-intense laser system
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