The method for the multi-phase computer-generated-holography (CGH) design of reconfigurable chip or board level optical interconnection is discussed in this paper. First, an improved direct search (DS) algorithm for the multi-phase CGH design is presented. Using this method, the high quality multi-phase CGH can be calculated very quickly, and the computation complexity is much lower than the other algorithms such as the most popularly used DS method and SA method. Then, how to use this algorithm for the CGH design of the reconfigurable chip or board level optical interconnection is given.
According to the structure and work characteristic of the pyroelectric detector and on the basis of the performance evaluation technology of staring thermal imaging systems, the performance prediction technology for the pyroelectric array IR detector was developed and a software was presented in this paper, the performance model of this kind of detector is analyzed, some questions of this kind of detector are discussed and the software is introduced simply.
According to the characteristics of staring thermal imaging systems, a software named OTL96 was completed. The performance curves of the staring thermal imaging systems can be predicted from this software. In OTL96, an improvement method has been developed for calculating the minimum resolvable temperature difference. The critical coefficient is introduced in this method and the prediction result is more consistent with the experiment. OTL96 also has the function of imaging simulation, which can simulate the formation process of the thermal image. This paper illustrates some techniques used in OTL96 and some results will be introduced at the same time.
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