Title :
Upconversion Fiber-Optic Confocal Microscopy using a Near-Infrared Light Source
Author :
Kim, Do-Hyun ; Kang, Jin U. ; Waynant, Ronald W. ; Ilev, Ilko K.
Author_Institution :
Center for Devices & Radiol. Health, Rockville
Abstract :
An upconversion confocal microscope was developed and studied using rare-earth- doped glass sample powder. The process was highly efficient with upconversion fluorescence efficiency in excess of 2% with the pumping wavelength at 1550 nm and ensured high lateral resolution.
Keywords :
biomedical optical imaging; fluorescence; image resolution; infrared sources; optical fibres; optical glass; optical microscopy; optical pumping; powders; lateral resolution; near-infrared light source; pumping wavelength; rare-earth-doped glass sample powder; upconversion fiber-optic confocal microscopy; upconversion fluorescence efficiency; wavelength 1550 nm; Biomedical optical imaging; Fiber nonlinear optics; Frequency conversion; Lenses; Light sources; Optical collimators; Optical fiber couplers; Optical microscopy; Optical pumping; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452973
