Microlens

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    Microlens Case Study

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    a) Microlens Micolens are small lenses with a diameter smaller than 1 mm, they can work by diffraction, refraction or a combination of these two. When arranged regularly on a single substrate they form a microlens array. In order to be considered a good quality lens, microlenses must have qualities such as to low wavefront aberrations, consistency of focal length and pitch across the array, durability and low price. (Daly 2001) Microlens arrays have several applications, such as CCD arrays, digital projectors, photocopiers, mobile-phone cameras, 3D imaging, displays and light field photography. Some of these applications have been around for many years. Recently, due the expansion of manufacture technology, new utilizations are being studied…

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    result in improved visual quality[1]. At 1685, Philippe de la Hire charts a concave lens directly on the eye[2]. In 1801, Thomas Young Created a quarter-inch-long, water- filled glass tube attached to a tiny lens, which he fitted over his own eye[2]. In 1887, the first contact lens manufactured from glass and fitted to cover the entire eye and it was called scleral bowel. In 1889, August Muller described his efforts to grind scleral lenses from blowing glass[1]. In 1911, Carl Zeiss started the…

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