期刊
APPLIED PHYSICS LETTERS
卷 94, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3143624
关键词
aberrations; electro-optical devices; high-speed optical techniques; hydraulic control equipment; lenses; optical control; piezoelectric actuators
资金
- 2007 Industrial Technology Research Grant Program
- New Energy and Industrial Technology Development Organization (NEDO) of Japan
A liquid lens structure with a step response time of 2 ms, a refractive power range of 52 D, and a root-mean-square (rms) wavefront error of 80.3 nm is reported. This lens uses a liquid-liquid interface with a pinned contact line as a variable refractive surface, and its shape is controlled by a piezostack actuator via a built-in hydraulic amplifier. The measured wavefront error suggests that the method of pinning the contact line to a precise shape is an important factor in achieving higher optical performance.
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