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This month's feature section highlighting biomedical optics
reflects OSA's strong and growing emphasis on this emerging
field. In our opening article, Tom Baer (Biometric Imaging) describes how optics-related technologies are making inroads in biotechnology and healthcare. Chris Contag (Stanford Univ.) reports on just-published results using a bioluminescent tag to label a pathogen and track its progression through a living animal. Optical techniques available for biodiagnostics
is covered by Eva M. Sevick-Muraca and colleagues (Purdue Univ.).