Document Detail

Polarization modulation thermal lens microscopy for imaging the orientation of non-spherical nanoparticles.
MedLine Citation:
PMID:  21369085     Owner:  NLM     Status:  In-Data-Review    
In this paper a far field optical technique we call polarization modulation thermal lens microscopy (PM-TLM) is used for imaging the orientation and dichroism of non-spherical nanoparticles. In PM-TLM, the polarization state of a pump beam is periodically modulated which in turn causes morphology related intensity fluctuations in a continuous probe beam, thus allowing high signal to noise ratio detection with using lock-in amplification. Since PM-TLM uses nanoparticle absorption as the contrast mechanism, it may be used to detect and image nanoparticles of far smaller dimensions than can be observed by conventional dark field optical microscopy. The technique, its implementation and experiment results are presented.
Jing Zhang; Yu Huang; Chin-Jung Chuang; Mariya Bivolarska; Chung W See; Michael G Somekh; Mark C Pitter
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics express     Volume:  19     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-03-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2643-8     Citation Subset:  IM    
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