Optimization of forward-scattered light energy and de-coherence of Mie scattering for speckle suppression
Optimization of forward-scattered light energy and de-coherence of Mie scattering for speckle suppression
复制标题
用于散斑抑制的前向散射光能量和米氏散射去相干的优化
DOI:
10.1007/s11082-014-9907-1
复制
发表时间:
2015-02
影响因子:
3
通讯作者:
Xuyuan Chen
中科院分区:
文献类型:
--
作者:
YanhongWang;Pengfei Zhao;Wenhong Gao;Xuyuan Chen
Reducing the coherence of laser light without energy loss is critical for speckle suppression in laser projectors. In this paper, it is shown that more than 90 % of incident light is forward-scattered with complete de-coherence. We modeled a scattering volume with particles in ZEMAX as a scattering medium and studied the forward-scattered light energy and de-coherence dependence on the following three parameters: particle concentration, normalized radius of particlesand refractive index ratio m. By varying all three parameters, a number of parameter combinations to achieve complete de-coherence are obtained, and which are utilized for speckle suppression. The forward-scattered light energy loss is up to 60–70 % of incident light at these combinations. But, at smaller particle concentration, the loss drops quickly. When setting the particle concentration at, the forward-scattered light energy can be more than 90 % of incident light by adjustingand m according to Mie scattering theory. The structure parameter L of the scattering volume is also analyzed to collect forward-scattered light more than 90 % of incident light. These results can benefit the parameters’ choice of scattering particles and the design of a scattering volume used for speckle suppression.
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影响因子:
3.8
作者:
Gaoming Li;Y. Qiu;Hui Li
通讯作者:
Gaoming Li;Y. Qiu;Hui Li
影响因子:
4.5
作者:
KONIG, G;ANDERS, K;FROHN, A
通讯作者:
FROHN, A
影响因子:
1.3
作者:
R.G.W. Brown
通讯作者:
R.G.W. Brown
DOI:
10.1007/978-3-642-28738-1
发表时间:
2012
期刊:
--
影响因子:
--
作者:
W. Hergert;T. Wriedt
通讯作者:
W. Hergert;T. Wriedt
DOI:
--
发表时间:
2009-09
期刊:
--
影响因子:
--
作者:
F. Riechert
通讯作者:
F. Riechert