UM
Diffraction-induced edge contrast enhancement for terahertz imaging
Wang Y.; Zhao Z.; Chen Z.; Zhang L.; Kang K.
2009-08-01
Source PublicationChinese Optics Letters
ISSN16717694
Volume7Issue:8Pages:690-693
AbstractContrast enhancement is particularly important for imaging of weakly absorbing materials. We demonstrate the inherent contrast-enhancement effect at the edges of a transparent object by using a conventional pulsed terahertz imaging setup without additional modification of the system design. We provide both experimental and theoretical evidence suggesting that this effect is a consequence of the frequency-dependent energy loss of the terahertz radiation induced by edge diffraction. The influence of the phase step of the broadband terahertz pulses on the edge contrast is discussed. © 2009 Chinese Optics Letters.
DOI10.3788/COL20090708.0690
URLView the original
Language英語
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Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
AffiliationTsinghua University
Recommended Citation
GB/T 7714
Wang Y.,Zhao Z.,Chen Z.,et al. Diffraction-induced edge contrast enhancement for terahertz imaging[J]. Chinese Optics Letters,2009,7(8):690-693.
APA Wang Y.,Zhao Z.,Chen Z.,Zhang L.,&Kang K..(2009).Diffraction-induced edge contrast enhancement for terahertz imaging.Chinese Optics Letters,7(8),690-693.
MLA Wang Y.,et al."Diffraction-induced edge contrast enhancement for terahertz imaging".Chinese Optics Letters 7.8(2009):690-693.
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