A fiber-optic pipette for rapid long-pathlength capillary spectroscopy

A fiber-optic pipette (FOP) has been developed. The device uniquely couples a glass capillary, a common syringe and a single optical fiber to provide for a facile means of achieving long-pathlength capillary spectroscopy. The novel mechanical configuration of the FOP allows for the acquisition of ra...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 1998-01, Vol.46 (1), p.56-60
Main Authors: Stellman, C.M, Bucholtz, F, Ewing, K.J, Aggarwal, I.D
Format: Article
Language:English
Subjects:
Fiber-optic pipette
Raman spectra
Spectroscopy
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Summary:A fiber-optic pipette (FOP) has been developed. The device uniquely couples a glass capillary, a common syringe and a single optical fiber to provide for a facile means of achieving long-pathlength capillary spectroscopy. The novel mechanical configuration of the FOP allows for the acquisition of rapid spectroscopic measurements of small-volume liquid samples while simultaneously achieving signal enhancements of the collected spectroscopic signal. The device has been successfully employed in collecting the Raman spectra of several solvents, a preliminary characterization of the signal enhancement capabilities has been demonstrated and the advantages associated with the device have been discussed.
ISSN:0925-4005
1873-3077
DOI:10.1016/S0925-4005(97)00329-8