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X-WR-CALNAME;VALUE=TEXT:糖心原创
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DTSTART:20141102T020000
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UID:calendar.24748.field_event_date.0@www.wright.edu
DTSTAMP:20260219T180525Z
CREATED:20141020T183223Z
DESCRIPTION:糖心原创 Physics Department Seminar\nFriday\, Oc
 tober 24\, 2014 at 3:00pm in 204 Fawcett\n\n'Tapered Optical Fibers for Bi
 osensing Applications'\nBy Karolyn M. Hansen\, Department of Biology\; Pet
 er E. Powers\, Department of Physics\; Joseph Haus\, Electro-Optics Gradua
 te Program at the University of Dayton\, Dayton OH\n\nABSTRACT\nThis study
  focuses on the design\, fabrication\, and characterization of tapered opt
 ical fibers for label-free\, biomolecular sensing in both aqueous and gase
 ous environments. Single mode fibers were tapered to a diameter of approxi
 mately 10 microns allowing for the propagation of multiple modes that crea
 te an interference pattern in the output signal. The physical dimensions o
 f the tapered fibers were measured for use in multimodal output simulation
 s\, which were then compared to the empirically determined output signal. 
 Tapered regions serve as the sensing interface\, such that the light propa
 gating through/around the fiber interacts with molecules tethered to the t
 apered surface.  Tapered regions are functionalized with biomolecules for 
 capture/detection of analytes in both aqueous and vapor phases. Molecular 
 binding of analytes with recognition molecules changes the refractive inde
 x and the thickness of the biolayer\, which can be measured as a phase shi
 ft in the output. The sensing platform (fiber and PDMS flowcell) was desig
 ned such that the device could be fabricated and constructed quickly and e
 conomically. We envision the use of tapered optical fibers in array format
  for detection of multiple analytes in complex samples for biomedical (blo
 od\, saliva\, breath)\, environmental\, and homeland security applications
 .
DTSTART;TZID=America/New_York:20141024T150000
DTEND;TZID=America/New_York:20141024T160000
LAST-MODIFIED:20150825T195407Z
LOCATION:204 Fawcett Hall
SUMMARY:Physics Seminar: 'Tapered Optical Fibers for Biosensing Application
 s'
URL;TYPE=URI:/events/physics-seminar-tapered-optical-
 fibers-biosensing-applications
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