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18 August 2010 Microlenses made with emulsion techniques
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Abstract
We present a method to make liquid lenses. It is based on the microfluidic method to make emulsions. An emulsion is a mixture of two immiscible liquids, where one liquid (the dispersed phase) is dispersed in the form of small droplets in another liquid that forms a continuous phase. The presence of a surfactant is necessary for the long term stability of emulsions. To make liquid lenses we have used capillaries. Through them we inject some microliters of a liquid. The result is that a spherical micro-lens is formed. These lenses can focus light or form images. We have tested the lenses through image forming techniques and compared the results with the ones given by an optical design program.
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Sergio Calixto, Francisco J. Sanchez-Marin, Martha Rosete-Aguilar, Diana Mendoza-Olivares, Virginia Marañon, Jose Luis Arauz-Lara, and Margarita Calixto-Solano "Microlenses made with emulsion techniques", Proc. SPIE 7781, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV, 77810M (18 August 2010); https://doi.org/10.1117/12.859757
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