Xu  Li

Assistant Professor

Department of Biomedical Engineering

Department of Electrical Engineering and Computer Science

Northwestern University

2145 Sheridan Road L391

Evanston, IL 60208

Tel:  (847) 491-3055, Fax: (847) 491-4928

E-mail: xuli@northwestern.edu

Fields of Interests

Publicaitons

Available Positions

 

 

 

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



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Education

·        Ph.D., Electrical and Computer Engineering, University of Wisconsin-Madison, 2003

·        M. S., Biomedical Engineering, University of Wisconsin-Madison, 2000

·        B. E., Biomedical Engineering, Tsinghua University, Beijing, China, 1998

Fields of Interests

·       Optical imaging, diagnosis and sensing techniques for biomedical applications

·       Computational electromagnetics

·       Propagation and scattering of electromagnetic waves in random media, especially in biological tissues

·       Microwave imaging and sensing techniques for biomedical applications

·       Nanophotonic devices


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Refereed Journal Publications

1.         X. Li, A. Taflove, and V. Backman, “Recent progress in exact and reduced-order modeling of light-scattering properties of complex structures,” IEEE Journal of Selected Topics in Quantum Electronics on Biophotonics, Vol. 11(4), pp. 759-765 2005. view PDF

2.         Y. Liu, X. Li, Y. Kim, and V. Backman, “Elastic backscattering spectroscopic microscopy,” Optics Letters, Vol. 30, pp. 2445-2447, 2005. view PDF

3.         X. Li, E. J. Bond, S. C. Hagness, and B. D. Van Veen, “An Overview of ultrawideband microwave imaging for early-stage breast cancer detection via space-time beamforming,” IEEE Antennas & Propagation Magazine, Vol. 47 (1), pp. 19-34, 2005. view PDF

4.         X. Li, A. Taflove, and V. Backman, “Quantitative analysis of the depolarization of backscattered light by stochastically inhomogeneous dielectric particles,” Optics Letters, Vol. 30, pp. 902-904, 2005. view PDF

5.         X. Li, A. Taflove, and V. Backman, “Modified FDTD near-to-far field transformation for improved backscattering calculation of strongly forward-scattering objects,” IEEE Antennas and Wireless Propagation Letters, Vol. 4, pp. 35-38, 2005. view PDF

6.         X. Li, Z. Chen, A. Taflove, and V. Backman, “Optical analysis of nanoparticles via enhanced backscattering facilitated by 3-D photonic nanojets,” Optics Express, Vol. 13 (2), pp. 526-533, 2005. view PDF

7.         Y. Liu, Y. L. Kim, X. Li, and V. Backman, “Investigation of depth selectivity of polarization gating for tissue characterization,” Optics Express, Vol. 13 (2), pp. 601-611, 2005. view PDF

8.         X. Li, Z. Chen, A. Taflove, and V. Backman, “Equiphase-Sphere approximation for light scattering by stochastically inhomogeneous particles,” Phys. Rev. E, Vol. 70 (5), 056610, 2004. view PDF

9.         X. Li, S. K. Davis, S. C. Hagness, D. W. van der Weide, and Barry D. Van Veen, “Microwave imaging via space-time beamforming: Experimental investigation of tumor detection in multilayer breast phantoms,” IEEE Transactions on Microwave Theory and Techniques, Vol. 52 (8), pp. 1856-1865, August 2004. view PDF

10.      X. Li, Z. Chen, A. Taflove, and V. Backman, “Equiphase-sphere approximation for analysis of light scattering by arbitrarily-shaped nonspherical particles,” Applied Optics, Vol. 43 (23), pp. 4497-4505, August 2004. view PDF

11.      X. Li, Z. Chen, J. Gong, A. Taflove, and V. Backman, “Analytical techniques to address the forward and inverse problems in light scattering by irregularly shaped particles,” Optics Letters, Vol. 29, pp. 1239-1241, June 2004. view PDF

12.      R. Nilavalan, A. Gbedemah, I. J. Craddock, X. Li and S. C. Hagness, “Numerical investigation of breast tumor detection using multi-static radar,” Electronics Letters, vol. 39, no. 25, pp. 1787-1788, December, 2003. view PDF

13.      X. Li, S. C. Hagness, M. K. Choi, and D. W. van der Weide, “Numerical and experimental investigation of an ultrawideband ridged pyramidal horn antenna with curved launching plane for pulse radiation,” IEEE Antennas and Wireless Propagation Letters,  vol. 2, pp. 259-262, 2003. view PDF

14.      E. J. Bond, X. Li, S. C. Hagness, and B. D. Van Veen, “Microwave imaging via space-time beamforming for early detection of breast cancer”, IEEE Transactions on Antennas and Propagation, vol. 51, no. 8, pp. 1690-1705, August 2003. view PDF

15.      S. Davis, E. J. Bond, X. Li, S. C. Hagness, and B. D. Van Veen, “Microwave imaging via space-time beamforming for early-stage breast cancer detection: Beamformer design in the frequency domain,” Journal of Electromagnetic Waves and Applications, vol. 17, no. 2, pp. 357-381, 2003. view PDF

16.      E. Fear, X. Li, S. C. Hagness, and M. Stuchly, “Confocal microwave imaging for breast cancer detection: Localization of tumors in three dimensions”, IEEE Transactions on Biomedical Engineering, vol. 49, no. 8, pp. 812-822, August 2002. view PDF

17.      X. Li and S. C. Hagness, “A confocal microwave imaging algorithm for breast cancer detection,” IEEE Microwave and Wireless Components Letters, vol. 11, no. 3, pp. 130-132, March 2001. view PDF

18.      M. Liang, X. Li, X. Wu, D. Liu, and J. Bai, “A pulse-rate monitoring and alarming system”, Beijing Biomedical Engineering, vol. 17, no. 1, 1998.

 


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Positions Available

Research positions for Ph. D and master students:

          Currently we have research positions open for potential graduate students with interests in experimental optics and computational electromagnetics. The projects involve the development of optical laboratory and clinical instruments, optical measurements on biological samples, computational EM modeling, and signal processing. Solid experimental skills in optical engineering and/or a strong background in electromagnetics theory and numerical techniques are highly desirable.  Previous experience with biomedical applications is also desired. Interested applicants can contact Prof. Li (xuli@northwestern.edu) for details.

 

 

Last updated: 12/05/05