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11 September 2012 Speckle characterization in free space and imaging space
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Proceedings Volume 8413, Speckle 2012: V International Conference on Speckle Metrology; 841304 (2012) https://doi.org/10.1117/12.979633
Event: SPECKLE 2012: V International Conference on Speckle Metrology, 2012, Vigo, Spain
Abstract
There have two ways to observe speckle, free space and image space. We introduced the factors impact speckle contrast in a speckle characterization system and established an equivalent relation between image space speckle characterization and free space speckle characterization, validating the equivalent relation through experiments. The experimental results show that if the equivalent relation come into existence, the speckle contrast measured in image space match well with it in free space. At last we have discussed the speckle in a projection system with a rough surface inside and given the compound speckle measuring method.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Guoxian Tang, Meifang Xu, Wenhong Gao, Yunbo Shi, Jun Liu, and Xuyuan Chen "Speckle characterization in free space and imaging space", Proc. SPIE 8413, Speckle 2012: V International Conference on Speckle Metrology, 841304 (11 September 2012); https://doi.org/10.1117/12.979633
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