High-speed liquid lens with 2 ms response and 80.3 nm root-mean-square wavefront error

作者：Oku H^*; Ishikawa M

来源：Applied Physics Letters, 2009, 94(22): 221108.

DOI：10.1063/1.3143624

• aberrations
• electro-optical devices
• high-speed optical techniques
• hydraulic control equipment
• lenses
• optical control
• piezoelectric actuators

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.

• 出版日期2009-6-1