Ping-Pei Ho
Professor
Department of Electrical Engineering

• MBA., Business Administration, Kent State University, 1983
• Ph.D., Physics, City University of New York, 1978
• M.S., Physics, City College of New York, 1974
• B.S., Physics, Ting Hua University, Taiwan, 1970

Areas of Interest:
Ultrafast optics, semiconductor devices, holography.

Contact:
Office: J - 201
Tel: (212) 650-6808
Fax: (212) 650-5330
E-mail: ho@ccny.cuny.edu

Address:
Department of Physics
City College and Graduate School
City University of New York
Convent Avenue at 138th Street
New York, NY 10031

For more information:
Visit Prof. Ho's Home Page

• "Detection of corrosion beneath paint using polarization imaging”, J. Ali,, W. Wang, P. Ho, R. Alfano, Optics Letters, 25 1303 (2000)
• Nondestructive evaluation of incipient corrosion in a metal beneath paint by second-harmonic tomography”, J. Ying, F. Liu, P. Ho, R. Alfano, Optics Letters, 25 1189 (2000)
• "Laser irradiative tissue probed in situ by collagen 380-nm fluorescence imaging , Laser in Surgery and Medicine", J. Tang, F. Zeng, H. Savage, P. Ho, R. Alfano 27, 158-164 (2000)
• “A Comparison of Cunyite and Forsteriete NIR tunable laser tissue welding using native collagen fluorescence imaging”, J. of Clinical Laser Medicine & Surgery” 18, 117-123 (2000)
• “Probing thermal damage and monitoring the treatment temperature of tissues using the NIR emission wing”, G. Zhang, J. Tang, P. Ho, R. Alfano, Lasers in Life Science, 9 95-109 (2000)
• “Tissue welding using NIR forsterite and cunyite tunable lasers”, J. Tang, J. Evans. V. Petricevic, P. Ho, R. Alfano, IEEE, J of Selected Topics in Quantum Electronics, 5 1103-1106 (1999)
• “Noninvasive two-photon-excitation imaging of tryptophan distribution in highly scattering biological tissues”, Y. Guo, P. Ho, F. Liu, R. Alfano, Optics Comm., 154 383-9 (1998)
• “Time-Resolved and Nonlinear Optical Imaging for Medical Applications, R. R. Alfano, S. G. Demos, P. Galland, S. K. Gayen, Yici Guo, P. P. Ho, X. Liang, F. Liu, L. Wang, Q. Wang, W. Wang, NY Acad. Sci. 838,14, 1998.
• “Second harmonic tomography of tissues: errata”,Y. Guo, P. Ho, H. Savage, D. Harris, P. Sacks,S. Schantz, F. Liu, N. Zhadin, R. Alfano, Optics Letters, 23 723 (1998)
• “Nonlinear vector rotation and depolarization of femtosecond laser pulses propagating in non-birefringent single-mode optical fibers”, Q.D. Liu, L. Shi, P. Ho, R. Alfano, Optical Communications, 138 pp45-48 (1997)
• “Degenerate cross-phase-modulation of femtosecond laser pulses in non-birefringent single-mode optical fibers”, Q.Liu, L. Shi, P. Ho, R. Alfano, R. Essiambre, G. Agrawal, IEEE Photonic Technology Letters, 9 1107-9 (1997)
• “Ultrafast optical pulse digitization with unary spectrally encoded cross phase modulation”, P. Ho, Q. Z. Wang, J. Chen, Q. Liu, R. Alfano, Applied Optics, 36 3425-9 (1997)
• “Second harmonic tomography of tissues”,Y. Guo, P. Ho, H. Savage, D. Harris, P. Sacks, S. Schantz, F. Liu, N. Zhadin, R. Alfano, Optics Letters, 22 1323 (1997)
  

Patents:

• “Apparatus using optical deflectors”, R.Alfano, P.Ho, L.Yang, Q.Wang, US#5,636,050 (1997)
• “2D imaging of translucent objects in turbid media”, R. Alfano, P. Ho, X. Liang, US#5,644,429 (1997)
• “Ultrafast optical imaging of objects in or behind turbid media”, R. Alfano, P. Ho, X. Liang,L. Wang,
  US#5,710,429 (1998)
• “Methods for amplifying laser signals using fibers with crystal particles”, R. Alfano, V. Petricevic, P. Ho,
  #5,717,517 (1998)
• “Time-resolved imaging”, R. Alfano, P. Ho, L. Wang, P. Galland, #5,799,656 (1998)
• "Multi-stage optical Kerr gate system", P. Ho, R. Alfano, US #5,828,484 (1998)
• ”Non-linear optical tomography of turbid media”, R. Alfano, Y. Guo, F. Liu, P. Ho, US#6208886, (2001)
• ”Remote-controllable, micro-scale device for use in in vivo medical diagnosis and/or treatment”,
• R. Alfano, S. Alfano, Q.Wang, P. Ho, US#6240312 (2001)
• “Sub-surface imaging under paints and coatings using early light spectroscopy”, R. Alfano, P. Ho, US#6,495,833 (2002)