Journal
BIOMEDICAL OPTICS EXPRESS
Volume 3, Issue 3, Pages 488-502Publisher
OPTICAL SOC AMER
DOI: 10.1364/BOE.3.000488
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Funding
- National Institutes of Health, National Cancer Institute [R01-CA-1774461]
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Confocal reflectance microscopy and confocal Raman spectroscopy have shown potential for non-destructive analysis of samples at micron-scale resolutions. Current studies utilizing these techniques often employ large bench-top microscopes, and are not suited for use outside of laboratory settings. We have developed a microscope which combines laser scanning confocal reflectance imaging and confocal Raman spectroscopy into a compact handheld probe that is capable of high-resolution imaging and spectroscopy in a variety of settings. The compact size of the probe is largely due to the use of a MEMS mirror for beam scanning. The probe is capable of axial resolutions of up to 4 mu m for the confocal imaging channel and 10 mu m for the confocal Raman spectroscopy channel. Here, we report instrument design, characterize optical performance, and provide images and spectra from normal skin to demonstrate the instrument's capabilities for clinical diagnostics. (c) 2012 Optical Society of America
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