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Yoo Kwang Kim, Won Jong Ryu and Jin Su Lee
The non-periodic pinhole array filtering of a spatial light modulator (SLM) is proposed for filtering the high-order noise and DC noise of a holographic display. Conventionally, DC and high-order noise sources are filtered by a 4f filtering system. Becau...
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Zhixin Li, Desheng Wen, Zongxi Song, Tuochi Jiang, Weikang Zhang, Gang Liu and Xin Wei
Space target surveillance is a significant part of space defense, and is also important for maintaining national security. Imaging of the space targets is the direct method used to realize space target recognition. However, for long-range space targets, ...
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Giacomo Fiocco, Tommaso Rovetta, Monica Gulmini, Anna Piccirillo, Claudio Canevari, Maurizio Licchelli and Marco Malagodi
Musical instrument coatings are generally made by multi-layered systems of organic and inorganic materials, applied on the wood substrate by the violin makers during the finishing process. This coating has paramount relevance for several aspects: protect...
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Fedor Mitschke, Christoph Mahnke and Alexander Hause
This is a review of fiber-optic soliton propagation and of methods to determine the soliton content in a pulse, group of pulses or a similar structure. Of central importance is the nonlinear Schrödinger equation, an integrable equation that possesses sol...
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Alessandro Albanese, Marcos Cesar Danhoni Neves (Author)
Pág. 455 - 459
Simple experiments obtained with a laser beam are proposed in this article. Diffraction phenomena and their interpretation in terms of Fourier?s transforms in the spatial domain are discussed in order to introduce some interesting application of the spat...
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