Spectroscopy and Imaging with Diffusing Light
作者:
Arjun Yodh,
Britton Chance,
期刊:
Physics Today
(AIP Available online 1995)
卷期:
Volume 48,
issue 3
页码: 34-40
ISSN:0031-9228
年代: 1995
DOI:10.1063/1.881445
出版商: AIP
数据来源: AIP
摘要:
Visually opaque media are ubiquitous in nature. While some materials are opaque because they strongly absorb visible light, others, such as loam, white paint, biological tissue and milk, are opaque because photons traveling within them are predominantly scattered rather than absorbed. A vanishingly small number of photons travel straight through such substances. Instead, light is transported through these materials in a process similar to heat diffusion (figure 1).
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