期刊
ACS PHOTONICS
卷 3, 期 10, 页码 1787-1793出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsphotonics.6b00558
关键词
light scattering; absorption; resolution; imaging; dsive transport
类别
资金
- Robert A. Welch Foundation [C-1220]
- Army Research Office [R17830]
- Defense Advanced Research Projects Agency (DARPA) REVEAL grant [HR0011-16-C-0028]
- Office of Naval Research (ONR) [N00014-15-1-2735]
Highly scattering media pose significant challenges for many optical imaging applications due to the loss of information inherent to the scattering process. Absorption can also result in significant degradation of image quality. However, absorption can actually improve the resolution of images transmitted through scattering media in certain cases. Here we study how the presence of absorption can enhance the quality of an image transmitted through a scattering medium, by investigating the dependence of this enhancement on the medium's scattering properties. We find that absorption induced image resolution enhancement is substantially larger for media consisting of isotropic scatterers (e.g., dielectric nanoparticles) than for strongly forward-scattering media (e.g., biological tissue). This and ultimately control, of the optical properties of strongly absorbing, scattering media. work leads to a broader understanding,
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