Youxin Mao received her BS degree in physics and her MS degree in electronics science from Nankai University, China, in 1982 and 1985, respectively. She received her PhD in optoelectronics from Lancaster University, United Kingdom, in 1995. She was later a research associate with Lancaster University and an NSERC visiting fellowship with the National Research Council in Canada. As a research scientist, she worked in an exploratory research and development group with JDS Uniphase from 1999 to 2003. She has been working on optical coherence tomography in Nankai University and the University of Toronto since 2003. She is currently a research officer for the National Research Council of Canada. Her research interests include optical coherence tomography, high speed and high power wavelength swept laser, and ultra small optical fiber probes.