New Incoherent Autofluorescence/Fluorescence System for Early Detection of Lung Cancer
Open Access
- 1 January 1999
- journal article
- research article
- Published by Hindawi Limited in Diagnostic and Therapeutic Endoscopy
- Vol. 5 (2) , 71-75
- https://doi.org/10.1155/dte.5.71
Abstract
A new autofluorescence (AF) system for bronchoscopy that operates as compact as a conventional white light bronchoscopy system is described. The system is also capable of white light illumination and excitation of aminolevulinic acid (ALA) induced fluorescence. Changing between white light and (auto-) fluorescence mode is easy and always possible. Broad band excitation with blue light (AF: 380–460 nm; ALA 380–440 nm) delivers high intensity illumination at the distal end of the bronchoscope (AF typically 50 mW). A special optical observation technique makes the AF directly visible to the eye instead of indirect techniques used in other AF systems. A compact (160 g)and sensitive (typically 0.2 lux) camera can be used for documentation.Keywords
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