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Zoom microscope objective using electrowetting lenses
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AI
DOI：10.1364/OE.24.002931.png)
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摘要
En 中文
We report a zoom microscope objective which can achieve continuous zoom change and correct the aberrations dynamically. The objective consists of three electrowetting liquid lenses and two glass lenses. The magnification is changed by applying voltages on the three electrowetting lenses. Besides, the three electrowetting liquid lenses can play a role to correct the aberrations. A digital microscope based on the proposed objective is demonstrated. We analyzed the properties of the proposed objective. In contrast to the conventional objectives, the proposed objective can be tuned from similar to 7.8 x to similar to 13.2 x continuously. For our objective, the working distance is fixed, which means no movement parts are needed to refocus or change its magnification. Moreover, the zoom objective can be dynamically optimized for a wide range of wavelength. Using such an objective, the fabrication tolerance of the optical system is larger than that of a conventional system, which can decrease the fabrication cost. The proposed zoom microscope objective cannot only take place of the conventional objective, but also has potential application in the 3D microscopy. (C) 2016 Optical Society of America
Keyword:
LIQUID-CRYSTAL LENSES
TUNABLE LENS
DESIGN
RATIO
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期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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