14 December 2010 Speckless head-up display on two spatial light modulators
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Proceedings Volume 7746, 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 77461Q (2010) https://doi.org/10.1117/12.881764
Event: 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2010, Liptovsky Jan, Slovakia
Abstract
There is a continuous demand for the computer generated holograms to give an almost perfect reconstruction with a reasonable cost of manufacturing. One method of improving the image quality is to illuminate a Fourier hologram with a quasi-random, but well known, light field phase distribution. It can be achieved with a lithographically produced phase mask. Up to date, the implementation of the lithographic technique is relatively complex and time and money consuming, which is why we have decided to use two Spatial Light Modulators (SLM). For the correctly adjusted light polarization a SLM acts as a pure phase modulator with 256 adjustable phase levels between 0 and 2π. The two modulators give us an opportunity to use the whole surface of the device and to reduce the size of the experimental system. The optical system with one SLM can also be used but it requires dividing the active surface into halves (one for the Fourier hologram and the second for the quasi-random diffuser), which implies a more complicated optical setup. A larger surface allows to display three Fourier holograms, each for one primary colour: red, green and blue. This allows to reconstruct almost noiseless colourful dynamic images. In this work we present the results of numerical simulations of image reconstructions with the use of two SLM displays.
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Andrzej Siemion, Andrzej Siemion, Izabela Ducin, Izabela Ducin, Karol Kakarenko, Karol Kakarenko, Michał Makowski, Michał Makowski, Agnieszka Siemion, Agnieszka Siemion, Jarosław Suszek, Jarosław Suszek, Maciej Sypek, Maciej Sypek, Dariusz Wojnowski, Dariusz Wojnowski, Zbigniew Jaroszewicz, Zbigniew Jaroszewicz, Andrzej Kołodziejczyk, Andrzej Kołodziejczyk, } "Speckless head-up display on two spatial light modulators", Proc. SPIE 7746, 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 77461Q (14 December 2010); doi: 10.1117/12.881764; https://doi.org/10.1117/12.881764
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