Design of spherically corrected, achromatic variable-focus liquid lenses

Reichelt, Stephan; Zappe, Hans

doi:10.1364/oe.15.014146

Cited by 73 publications

(28 citation statements)

References 10 publications

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“…Especially, it is quite difficult to correct the chromatic aberrations for the proposed system. 22 With the use of an array of actuators which can change the shape of a mirror, the curvature of the deformable mirror can alter in a certain range just as the liquid lens zoom system does. Compared to the liquid lenses optical zoom system, the deformable mirror zoom system has a distinct advantage of being free of chromatic aberrations.…”

Section: Active Optical System For Anymentioning

confidence: 99%

Active optical system for any field angle zoom

2011

Opt. Eng

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We have theoretically proposed a new type of active optical zoom system. It can change the magnification of an imaging system at any field angle, namely, it can change the effective focal length at a limited region of interest and simultaneously maintain high resolution. It is comprised of two static aspheric mirrors and two deformable mirrors; furthermore, by changing the curvature of mirrors the focal length can be adjusted from − 399 to − 558.6 mm. The system reduces the bandwidth of data transmission and may find potential applications in high speed photography. C 2011 Society of Photo-Optical Instrumentation Engineers (SPIE).Subject terms: any field angle; deformable mirror; active zoom system; optical systems design.Paper 110523RR

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Section: Active Optical System For Anymentioning

confidence: 99%

Active optical system for any field angle zoom

2011

Opt. Eng

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“…Optical simulation platforms, such as Zemax, are routinely employed to design aspherical lenses [13,14] and spherically corrected achromatic variable-focus liquid lenses [15] for superior optical performance. Such tools offer the opportunity to estimate the optical properties of lenses in order to gauge their optical performance prior to construction.…”

Section: Introductionmentioning

confidence: 99%

Numerical analysis of electrically tunable aspherical optofluidic lenses

Mishra¹,

Mugele²

2016

Opt. Express

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Abstract:In this work, we use the numerical simulation platform Zemax to investigate the optical properties of electrically tunable aspherical liquid lenses, as we recently reported in an experimental study [K. Mishra, C. Murade, B. Carreel, I. Roghair, J. M. Oh, G. Manukyan, D. van den Ende, and F. Mugele, "Optofluidic lens with tunable focal length and asphericity," Sci. Rep. 4, 6378 (2014)]. Based on the measured lens profiles in the presence of an inhomogeneous electric field and the geometry of the optical device, we calculate the optical aberrations, focusing in particular on the Z11 Zernike coefficient of spherical aberration obtained at zero defocus (Z4). Focal length and spherical aberrations are calculated for a wide range of control parameters (fluid pressure and electric field), parallel with the experimental results. Similarly, the modulation transfer function (MTF), image spot diagrams, Strehl's ratio, and peak-to-valley (P-V) and root mean square (RMS) wavefront errors are calculated to quantify the performance of our aspherical liquid lenses. We demonstrate that the device concept allows compensation for a wide range of spherical aberrations encountered in optical systems.

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“…Traditionally, lenses are processed by glasses, polycarbonate and plastic, so they have constant properties due to the inflexible shape. A variable focus lens is a novel development, such as liquid-filled lens, where a single lens cell controls its optical power by manipulating the curvature of the refractive surface [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21] . The liquid inside plays a role as a transmit media and its properties, such as refractive index and abbe number, behaves as the lens parameters.…”

Section: Introductionmentioning

confidence: 99%

An adaptive achromatic doublet design by double variable focus lenses

2014

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We proposed an adaptive achromatic doublet that composed by double variable focus lenses. Both variable focus lenses were the liquid-membrane-liquid structures, but they were filled with different liquid-pairs, so that they could perform low and high dispersion proprieties like the crown-flint doublet. The proposed doublet could perform a tunable focal length, and the chromatic aberration could be corrected at the same time. A comparison between an adaptive singlet and a doublet on the chromatic focal shift plots was conducted in Zemax, and the chromatic improvement was confirmed that the chromatic focal shift range was improved from 2.5% to 0.05%.

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Design of spherically corrected, achromatic variable-focus liquid lenses

Cited by 73 publications

References 10 publications

Active optical system for any field angle zoom

Active optical system for any field angle zoom

Numerical analysis of electrically tunable aspherical optofluidic lenses

An adaptive achromatic doublet design by double variable focus lenses

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