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Spherical aberration correction suitable for a wavefront controller
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DOI：10.1364/OE.17.014367.png)
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We propose a simple method to correct a large amount of spherical aberration caused by a refractive index mismatch. The method is based on inverse ray tracing and can generate correction phase patterns whose peak-to-valley values are minimized. We also demonstrated spherical aberration correction in a transparent acrylic block using a liquid-crystal-on-silicon spatial light modulator (LCOS-SLM). A distorted focal volume without correction was substantially improved with correction. This method is useful in cases where a large phase modulation is needed, such as when employing a high-NA lens or focusing a beam deep inside a sample. (C) 2009 Optical Society of America
Keyword:
FEMTOSECOND LASER-PULSES
GLASSES
FABRICATION
MICROSCOPY
GUIDES
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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