April 26, 2007

PUBLICATIONS

JOURNALS

24. Y. K. Park, G. Popescu, R. R. Dasari, K. Badizadegan and M. S. Feld, “Fresnel particle tracking in three dimensions using diffraction phase microscopy”, Opt. Lett., 32, 811 (2007).

23. G. Popescu, T. Ikeda, K. Goda, C. A. Best-Popescu, M. L. Laposata, S. Manley, R. R. Dasari, K. Badizadegan, and M. S. Feld, “Optical measurement of cell membrane tension”, Phys. Rev. Lett., 97, 218101 (2006).

22. M. Hunter, V. Backman, G. Popescu, M. Kalashnikov, C. W. Boone, A. Wax, G. Venkatesh, K. Badizadegan, G. D. Stoner and M. S. Feld, "Tissue Self-Affinity and Light Scattering in the Born Approximation: A New Model for Precancer Diagnosis", Phys. Rev. Lett. 97, 138102 (2006).

21. N. Lue, W. Choi, G. Popescu, T. Ikeda, R. R. Dasari, K. Badizadegan, and M. S. Feld, “Quantitative phase imaging of live cells using fast Fourier phase microscopy”, Appl. Opt. (in press).

20. Y. K. Park, G. Popescu, K. Badizadegan, R. R. Dasari and M. S. Feld, "Diffraction phase and fluorescence microscopy", Opt. Exp. 14, 8263, (2006).

19. N. Lue, G. Popescu, R. R. Dasari, K. Badizadegan, M. S. Feld, “Live cell refractometry using microfluidic devices”, Opt. Lett., 31, 2579 (2006).

18. G. Popescu, K. Badizadegan, R. R. Dasari, M. S. Feld, “Observation of dynamic subdomains in red blood cells”, J. Biomed. Opt. Lett., 11, 040503 (2006).

17. G. Popescu, T. Ikeda, R. R. Dasari, and M. S. Feld, “Diffraction phase microscopy for quantifying cell structure and dynamics”, Opt. Lett., 31, 775 (2006).

16. G. Popescu and A. Dogariu, “Scattering of low coherence radiation and applications”, Eur. J. Phys., review article, 32, 73 (2005).

15. G. Popescu, T. Ikeda, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Erythrocyte structure and dynamics quantified by Hilbert phase microscopy”, J. Biomed. Optics Lett., 10, 060503 (2005).

14. T. Ikeda, G. Popescu, R. R. Dasari, and M. S. Feld, “Hilbert phase microscopy for investigating fast dynamics in transparent systems”, Opt. Lett., 30, 1165 (2005).

13. A. Ahn, C. Yang, A. Wax, G. Popescu, et al., “Harmonic phase dispersion microscope with a Mach-Zender interferometer”, Appl. Opt., 44, 1188 (2005).

12. G. Popescu, L. P. Deflores, K. Badizadegan, et al., “Fourier phase microscopy for investigation of biological structure and dynamics”, 29, 2503 Opt. Lett. (2004).

11. H. Iwai, C. Fang-Yen, G. Popescu, et al., “Quantitative phase imaging using actively stabilized phase shifting low-coherence interferometry”, 29, 2399, Opt. Lett. (2004).

10. A. Dogariu and G. Popescu, “High-resolution spatial and spectral characterization of optical fields”, OPN, vol. 13, No. 12, 21 (2002).

9. A. Dogariu and G. Popescu, “Measuring the phase of spatially coherent polychromatic fields”, Phys. Rev. Lett., vol. 89, 243902 (2002).

8. G. Popescu and A. Dogariu, “Spectral anomalies at wavefront dislocations”, Phys. Rev. Lett., vol. 85, 183902, (2002).

7. G. Popescu, A Dogariu, and R. Rajagopolan, “Spatially resolved microrheology using localized coherence volumes”, Phys. Rev. E, vol. 65, 041504 (2002).

6. G. Popescu and A. Dogariu, “Dynamic light scattering in sub-diffusive regimes”, Appl. Optics, vol. 40, 4215 (2001).

5. G. Popescu and A. Dogariu, “Dynamic light scattering in localized coherence volumes”, Opt. Lett., vol. 26, 551 (2001).

4. G. Popescu and A. Dogariu, “Ballistic attenuation of low-coherence fields” Appl. Optics, vol. 39, 4469, (2000).

3. G. Popescu, C. Mujat, and A. Dogariu, “Evidence of scattering anisotropy effects on boundary conditions of the diffusion equation”, Phys. Rev. E, vol. 61, 4523, (2000).

2. G. Popescu and A. Dogariu, “Optical path-length spectroscopy of wave propagation in random media”, Opt. Lett.. vol. 24, 442, (1999).

1. M. L. Pascu, B. Carstocea, G. Popescu, et al, “Imaging corneal cells using low power laser beams”, Lasers in Medical Science, 13, 148, (1998).

LECTURES/ INVITED TALKS

“Quantitative phase imaging: watching cells waltz”, Modern optics and spectroscopy seminar at MIT, October 2006.

“Nanoscale investigations of live cells using optical interferometry”, invited talk, The Gordon Conference, Lasers in Medicine and biology, Holderness, NH, July 2006

“Quantitative phase microscopy: watching red blood cells dance”, invited talk, Engineering Foundation Conference, Copper Mountain, Colorado, July 2005.

"Quantifying red blood cell nanoscale fluctuations using Hilbert phase microscopy", Physics Department seminar, University of Massachusetts at Lowell, Lowell, MA, September 2005.

“Quantifying the structure and dynamics of live cells using quantitative phase microscopy”, Biomedical Engineering Department seminar, Tufts University, Medford, MA, November 2004.

“Structure and dynamics of live cells quantified by Fourier Phase Microscopy”, Physics Department Seminar, Clark University, Worcester, MA, November 2004.

“Nanoscale microscopy of living cells using optical interferometry”, OSA Student chapter seminar series, MIT, May 12, 2006.

“Quantitative phase imaging of live cells”, Laser Interferometer Gravitational-Wave Observatory (LIGO) seminar, MIT, Cambridge, MA, May 2005.

CONFERENCES

35. YongKeun Park, Gabriel Popescu, Kamran Badizadegan, Ramachandra R. Dasari, and Michael S. Feld, “Diffraction phase microscopy”, Photonics West, San Jose, CA, 20-25 January, 2007.

34. Niyom Lue, Gabriel Popescu, Kamran Badizadegan, Ramachandra R. Dasari, and Michael S. Feld, “Live cell refractometry using quantitative phase imaging”, Photonics West, San Jose, CA, 20-25 January, 2007.

33. G. Popescu, Y. K. Park, Catherine A. Best-Popescu, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Red blood cell fluctuations during osmolarity changes”, OSA Annual meeting, Rochester, NY, Oct. 8-12, 2006.

32. G. Popescu, N. Lue, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Live cell refractometry using microfluidic devices”, OSA Annual meeting, Rochester, NY, Oct. 8-12, 2006.

31. G. Popescu, Y. K. Park, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Diffraction phase and fluorescence microscopy”, OSA Annual meeting, Rochester, NY, Oct. 8-12, 2006.

30. G. Popescu, Y. K. Park, N. Lue, S. Amin, T. Ikeda, K. Badizadegan, R. Dasari, M. S. Feld, “Nanoscale microscopy of living cells using optical interferometry”, The Gordon Conference, Lasers in Medicine and biology, Holderness, NH, July 2006.

29. N. Lue, W. Choi, G. Popescu, T. Ikeda, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Quantitative phase imaging of living cell using fast Fourier phase microscopy”, The Gordon Conference, Lasers in Medicine and biology, Holderness, NH, July 2006.

28. Y. K. Park, G, Popescu, T. Ikeda, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Diffraction phase microscopy for quantifying structures and dynamics of live cells”, The Gordon Conference, Lasers in Medicine and biology, Holderness, NH, July 2006.

27. G. Popescu, T. Ikeda, C. A. Best, K. Goda, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Observation of red blood cell tension using actively stabilized Hilbert phase microscopy”, Biomedical Optics Topical Meeting, Fort Lauderdale, Florida, March 19-22, 2006.

26. Y. Park, G. Popescu, T. Ikeda, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Diffraction phase microscopy”, Biomedical Optics Topical Meeting, Fort Lauderdale, Florida, March 19-22, 2006.

25. N. Lue, G. Popescu, T. Ikeda, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Live cell refractometry using Hilbert phase microscopy”, Biomedical Optics Topical Meeting, Fort Lauderdale, Florida, March 19-22, 2006.

24. M. S. Amin, G. Popescu, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Dynamic light microscopy for probing cell rheology”, Biomedical Optics Topical Meeting, Fort Lauderdale, Florida, March 19-22, 2006.

23. G. Popescu, T. Ikeda, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Quantitative phase microscopy: watching red blood cells dance”, invited paper, Engineering Foundation Conference, Copper Mountain, Colorado, July 24-28, 2005.

22. G. Popescu, T. Ikeda, K. Badizadegan, R. R. Dasari, and M. S. Feld, “Nanoscale investigation of live cells using quantitative phase microscopy”, Engineering Foundation Conference, Copper Mountain, Colorado, July 24-28, 2005.

21. G. Popescu, T Ikeda, K. Badizadegan, R. R. Dasari and M. S. Feld, “Nanometer fluctuations of erythrocytes imaged by Hilbert phase microscopy”, European Conference of Biomedical Optics, Munich, Germany, June 12-16, 2005 (SPIE 5864-0A).

20. G. Popescu, K. Badizadegan, R. R. Dasari and M. S. Feld, “Motility of live cancer cells quantified by Fourier phase microscopy”, European Conference of Biomedical Optics, Munich, Germany, June 12-16, 2005 (SPIE 5864-0B).

19. G. Popescu, K. Badizadegan, R. R. Dasari and M. S. Feld, “Imaging erythrocyte dynamic subdomains by Fourier phase microscopy”, ASIP Meeting of Experimental Biology, San Diego, April 2-6, 2005.

18. G. Popescu, L. Deflores, K. Badizadegan, et al., “Investigation of live cells using common-path low-coherence phase microscopy”, OSA Annual meeting, Rochester, NY, Oct. 10-14, 2004.

17. G. Popescu, L. Deflores, K. Badizadegan, et al., “Phase reconstruction of two-dimensional polychromatic fields”, OSA Annual meeting, Rochester, NY, Oct. 10-14, 2004.

16. G. Popescu, L. Deflores, K. Badizadegan, et al., “Nanometer investigation of live cells using Fourier phase microscopy”, The Gordon conference, Lasers in Medicine and Biology, Meriden, NH, 2004.

15. G. Popescu, C. Fang-Yen, L. P. Deflores, et al. “Seeing small biological structures with light”, ICOLS, 2003.

14. G. Popescu, and A. Dogariu, “Spectral behavior at wavefront dislocations”, OSA Annual meeting, Orlando, Fl, Sept. 29-Oct. 4, 2002.

13. G. Popescu, J. Biggerstaff, and A. Dogariu, “Optical rheology of blood”, OSA Annual meeting, Orlando, Fl, Sept. 29-Oct. 4, 2002.

12. G. Popescu, J. Biggerstaff, S. Patel, and A. Dogariu, “Optical microrheology in localized coherence volumes”, Postdeadline paper, OSA Annual Meeting, Long Beach, Ca, Oct. 14-18, 2001.

11. G. Popescu and A. Dogariu, “Dynamic light scattering with low-coherence fields”, OSA Annual meeting, Providence, RI, Oct. 22-26, 2000.

10. G. Popescu and A. Dogariu, “Dynamic multiple light scattering in sub-diffusive regimes”, OSA Topical Meeting, Photon Correlation and Scattering, August 21-23, Whistler, BC, Canada, 2000.

9. G. Popescu and A. Dogariu, “Investigation of particulate systems using optical path-length spectroscopy”, MRS Spring Meeting, San Francisco, April 24-28, 2000.

8. G. Popescu, W. G. Easter, and A. Dogariu, “Study of the sedimentation process using optical path-length spectroscopy”, MRS Spring Meeting, San Francisco, April 24-28, 2000.

7. G. Popescu, A. Dogariu, “Optical characterization of volume-scattering backgrounds”, SPIE 14th Annual International Symposium on Aerosense, Orlando, 24-28 April, 2000.

6. G. Popescu, C. Mujat, and A Dogariu, “Optical path-length spectroscopy of multiple-scattering media”, OSA Annual meeting, Santa Clara, Sept. 26-Oct. 1, 1999.

5. G. Popescu, M. Lauwidjaja, L. Denney, A. Dogariu, and K. Richardson, “Aging effects in CMP slurries probed by multiple light scattering”, The 193rd Meeting of Electrochemical Society, San Diego, May 3-8, 1998.

4. M. Lauwidjaja, G. Popescu, L. Denney, A. Dogariu, and K. Richardson, “Chemical and structural characterization of aluminum oxide slurries”, The 193rd Meeting of Electrochemical Society, May 3-8, 1998.

3. M. L. Pascu, B. Carstocea, G. Popescu, “New laser method to characterize rabbit eye cornea”, 5th Int. Congress of the European Medical Laser Association, Florence, 1997

2. M.L.Pascu, B. Carstocea, G. Popescu, L. Gafencu, S. Apostol, N. Moise, M. Roman, C.M. Ticos “Laser method for corneal structure investigation”, Proc. of ROMOPTO '97, SPIE vol. 3405, part two, p. 665-672, Bucharest, 1997.

1. B. Carstocea, O. Gafencu, S. Apostol, M. Ionita, M.L.Pascu, G. Popescu, M. Roman, S. Hogiu, “Preliminary studies of rabbit corneal structure using laser beams”, SPIE vol.2930, p.50-57, Lasers in Ophthalmology IV, BIOS'96, Viena, 1996.

PATENTS

10. G. Popescu, R. R. Dasari, and M. S. Feld, “System and method for Hilbert phase imaging”, United States Patent, pending (filed March 2005).

9. C. Fang-Yen, G. Popescu, C. Yang, et al. “Systems and methods for phase measurements”, United States Patent, PCT/US04, 019456 pending (filed June 2004).

8. C. Fang-Yen, G. Popescu, C. Yang, et al. “Systems and methods for phase measurements”, United States Patent, 10/871,610, pending (filed June 2004).

7. C. Fang-Yen, G. Popescu, C. Yang, et al. “Systems and methods for phase measurements”, United States Patent, pending (filed April 2004).

6. C. Fang-Yen, G. Popescu, C. Yang, et al. “Systems and methods for phase measurements”, United States Patent, 6,934,035 (2005).

5. A. Dogariu, G. Popescu, and R. Rajagopolan, “Microrheology in localized coherence volumes”, United States Patent, pending (Filed June 2001).

4. A. Dogariu and G. Popescu, “Interferometer with optical fiber interconnected dual arm sampler”, United States Patent 6,590,664 (2003).

3. A. Dogariu and G. Popescu, “Method for characterizing particles in a liquid medium using interferometry”, United States Patent 6,587,206 (2003).

2. A. Dogariu and G. Popescu, “Method for monitoring a characteristic of a mixture comprising particles suspended in a liquid”, United States Patent 6,559,950 (2003).

1. A. Dogariu and G. Popescu, “Optical system for characterizing particles in a colloidal suspension using interferometry”, United States Patent 6,525,823 (2003).