Areas of Specialization

Photonic Waveguides, Fiber Optics, Optical Sensors, Optoelectronics Devices, and Optical Metrology. 

Education

Ph.D. University of Kent at Canterbury, 1988.

M.Sc. University of Southampton, 1978.

B.Sc. Aryamehr (Sharif) University of Technology, 1976.  

Professional Experience

Chairman and Professor, The University of North Carolina at Charlotte, Department of Physics and Optical Science, Charlotte, NC, 2002 – present

Professor, The University of North Carolina at Charlotte, Department of Physics and Optical Science, Charlotte, NC, 1994 – 2002 
  
Associate Professor, The University of North Carolina at Charlotte, Department of Physics and Optical Science, Charlotte, NC, 1990 – 1994

Lecturer, The University of Kent at Canterbury, Physics Department, Canterbury, UK, 1989 – 1990

Postdoctoral Fellow, The University of Kent at Canterbury, Physics Department, Canterbury, UK, 1988 – 1989 

Publications

More than 160 publications. This is a partial list. 

K. Edward, T.W. Mayes, R. Hocken, F. Farahi, “Tri-modal imaging system capable of quantitative phase imaging without 2π ambiguities” Optics Lett. Vol.33, P.216 , 2008.

P.A.S. Jorge, C. Maule, A.J. Silva, R. Benrashid, J.L. Santos, F. Farahi, “Dual sensing of oxygen and temperature using quantum dots and a ruthenium complex” Analytica Chimica Acta 6 0 6, 223–229, 2008.

F. Farahi, “Fabrication and metrology of micro-and nano-optics”, SPIE Newsroom, 10.1117.21200710.0900, 2007.

P. Jorge, M.A. Martins, T. Trindade, J.L. Santos, F. Farahi, “Optical Fiber Sensing Using Quantum Dots” Sensors, 7, 3488-3534, 2007.

O. Frazão, J. Viegas, P. Caldas, J. L. Santos, F. M. Araújo, L.A. Ferreira, F. Farahi, “All-fiber Mach-Zehnder curvature sensor based on multimode interference combined with a long period grating”, Optics Letters 32, 3074-3076, 2007.

D. Purcell, A. Davies, F. Farahi, “Effective wavelength calibration for moiré fringe projection” J. Applied Optics, Vol. 45, p. 8629, (2006).

P.A.S. Jorge, M. Mayeh, R. Benrashid, P. Caldas, J.L. Santos, F. Farahi, “Quantum dots as self-referenced optical fiber temperature probes for luminescent chemical sensors” J. Meas. Sci. Technology Vol. 17,p. 1032, (2006).

P.A.S. Jorge, M. Mayeh, R. Benrashid, P. Caldas, J.L. Santos, F. Farahi, “Applications of quantum dots in optical fiber luminescent oxygen sensors” J. Applied Optics, Vol. 45, p. 3760, (2006).

P. A. S. Jorge, P. Caldas, J. C. G. Esteves da Silva, C. C. Rosa, A. G. Oliva, J. L. Santos, F. Farahi,  “Luminescence-Based Optical Fiber Chemical Sensors” J. Fiber & Integrated Optics, p. 201-225, Vol. 24 (2005).

F. Farahi, P. Jorge, M. Mayeh, R. Benrashid, P. Caldas, J. Santos, “Applications of nano-particles in optical chemical and biological sensors ” Invited Paper, OpticsEast, Philadelphia, SPIE Conference Proceeding Vol. 5590, p. 66 (2004).

P. J. Moyer, A. Pridmore, and F. Farahi, “Multimode Interference Switch Design with Loose Manufacturing Tolerance”, Opt. Eng. 43, 165-169 (2004).

P. A. S. Jorge, P. Caldas, L. A. Ferreira, A. B. Lobo Ribeiro, J. L. Santos, F. Farahi, “Electrical current metering with a dual interferometric configuration and serrodyne signal processing ” Measurement Science and Technology 13, 533 (2002).

F. M. Araújo, L. A. Ferreira, J. L. Santos, F. Farahi “Temperature and strain insensitive bend measurements with D-type fiber Bragg gratings” Measurement Science and Technology (Special Issue: Optical Fiber Sensors) 12, 829 (2001).

L.A. Ferreira, F.M. Araujo, J.L. Santos, F. Farahi, "Simultaneous Measurement of Strain and Temperature using Interferometrically Interrogated Fiber Bragg Grating Sensors", Optical Engineering Vol.39, p.2226 (2000).

J. Angelichio, M. Nannini, F. Farahi, “An Intelligent Fiber Sensor for Smart Structures” Journal of Structural Control, Vol. 7, No.1, p. 7 (2000).

L.A. Ferreira, E.V. Diatzikis, P.J. Moreira, J.L. Santos, F. Farahi, "Application of multimode laser diodes in the interrogation of fiber Bragg grating sensors”, Invited Paper, Optical Fiber Technology, vol. 6, p. 365 (2000).

P.J. Moreira, L.A. Ferreira, J.L. Santos, F. Farahi, "Dynamic Range Enhancement in Fibre Bragg Grating Sensors Using a Multimode Laser Diode " IEEE Photonics Tech. Lett., Vol. 11, p. 703 (1999).

L.A. Ferreira, E.V. Diatzikas, J.L. Santos, F. Farahi, "Demodulation of Fiber Bragg Grating Sensors Based on Dynamic Tuning of Multimode Laser Diode ", Applied Optics, vol. 38, p.4751 (1999).

P.M. Cavaleiro, F.M. Araujo, L.A. Ferreira, J.L. Santos, F. Farahi, "Simultaneous Measurement of Strain and Temperature Using Bragg Gratings Written in Germanosilicate and Boron Codoped-Germanosilicate Fibers " IEEE Photonics Technology Letters, Vol. 11, p.1635 (1999). 

L.A. Ferreira, A.B. Lobo Ribeiro, J.L. Santos, F. Farahi, “Simultaneous displacement and temperature sensing using a white light interrogated low finesse cavity in line with a fiber Bragg grating” J. Smart Materials and Structures, Vol. 7, p. 189 (1998). 

L.A. Ferreira, E.V. Diatzikis, J.L. Santos, F. Farahi, “Frequency Modulated Multimode Laser Diode for Fiber Bragg Sensors" J. Lightwave Tech., Vol. 16, p. 1620 (1998).

F.M. Araujo, L.A. Ferreira, J.L. Santos, F. Farahi, “Demodulation scheme for fiber Bragg grating sensors based on active control of WDM spectral response” Applied Optics, Vol. 37, p. 7940 (1998).

L.A. Ferreira, J.L. Santos, F. Farahi, “Pseudo-heterodyne demodulation technique for fiber Bragg grating sensors using two matched gratings ” IEEE Photonics Tech. Lett, Vol.9, p. 487 (1997).

W. Sisk, Dong Hee Kang, M.Y.A. Raja, F. Farahi, "Photocurrent and optical limiting studies of C-60 films and solutions” Int. J. Optoelectronics, p. 325-331, Vol. 11, p.325 (1997).

L.A. Ferreira, A.B. Lobo Ribeiro, J.L. Santos, F. Farahi, “Simultaneous measurement of displacement and temperature using low finesse cavity and a fiber Bragg grating ” IEEE Photonics Tech. Lett, Vol. 8, p. 1519 (1996).

F. Farahi, J.D.C. Jones, D.A. Jackson, “Multiplexed fiber-optic interferometric sensing system: combined frequency and time division,” Selected Papers on Interference, Interferometry, and Interferometric Metrology, P. Hariharan, D. Malacara, Editors, SPIE Milestone Series 110, p. 580 (1995).

W. Sisk, K.S. Kang, M.Y.A. Raja, F. Farahi, “Matrix and donor/acceptor dependence of polymer dispersed pyrromethene dye photoconductivity” Int. J. of Optoelectronics, Vol. 10, p. 95 (1995).

S. Shukes, F. Farahi, M.Y.A. Raja, R. Splinter, “White light fiber-optic interferometry: A technique for monitoring tissue properties” Proceedings Trends in Optical Fiber Metrology and Standards, Ed: O.D.D. Soares , p. 833 (1995).

L.A. Ferreira, J.L. Santos, F. Farahi, “Polarization insensitive fiber-optic white-light interferometry” Optics Communications, Vol. 114, p. 386 (1995).

L.A. Ferreira, J.L. Santos, F. Farahi, “Polarization induced noise in a fiber-optic Michelson interferometer with Faraday rotator mirror elements ” Applied Optics, Vol. 34, p. 6399 (1995). 

R. R. Gauthier, F. Farahi, N. Dahi , "Fiber-optic white-light interferometry: lead sensitivity considerations" Opt. Lett., Vol. 19, p.138 (1994).

J.L Santos, F. Farahi, T.P. Newson, A.P. Leite, D.A. Jackson, "Frequency Multiplexing of Remote all Fiber Michelson Interferometers with Lead Insensitivity " Journal of Lightwave Technology, Vol. 10, No.3 (1992).

P.St.J. Russell, D. Culverhouse, F. Farahi, "Theory of Forward Stimulated Brillouin Scattering in Dual-Mode Single-Core Fibers " IEEE Journal of Quantum Electronics, Vol.27, No.3, p.836 (1991).

F. Farahi, J.D.C. Jones, D.A. Jackson, "High Speed Fiber Optic Temperature sensor" Optics Lett. Vol.16, No.22, p. 1800 (1991).

S.C. Bartlett, F. Farahi, D.A. Jackson, "A Dual Resolution Non Contact Vibration and Displacement Sensor Based Upon a Two Wavelength Source" Rev. Sci. Instrum., Vol.61, No.3, p.1014 (1990).

F. Farahi , D.A. Jackson, "A Fiber Optic Interferometric System for Surface Profiling" Rev. Sci. Instrum., Vol.61, No.2, p.753 (1990).

F. Farahi, D.J. Webb, J.D.C. Jones, D.A. Jackson, "Simultaneous Measurement of Temperature and Strain: Cross-Sensitivity Considerations " Journal of Lightwave Technology, Vol. 8, No.2, p.138 (1990).

S.C. Bartlett, F. Farahi, D.A. Jackson, "Current sensing using Faraday rotation and a common path fiber Heterodyne interferometer" Rev. Sci. Instrum. Vol.61, p.2433 (1990).

J.L. Santos, F. Farahi, T.P. Newson, D.A. Jackson, "Time Division Multiplexing of Optical Fiber Sensors with Sampled Modulation of Laser Diode" Optics Communications, Vol.78, No.2, p.143 (1990).

P.St.J. Russell, D. Culverhouse, F. Farahi, "Experimental Observation of Forward Stimulated Brillouin Scattering in Dual-Mode Single-Core Fiber " Electronics Letters, Vol.26, No.15, p.1195 (1990).

F. Farahi, N. Takahashi, J.D.C. Jones, D.A. Jackson, "Multiplexed Fiber Optic Sensors Using Ring Interferometers " Journal of Modern Optics, Vol.36, No.3, p.337 (1989).

T.P. Newson, F. Farahi, J.D.C. Jones, D.A. Jackson, "Reduction of Semiconductor Laser Diode Phase and Amplitude Noise in Interferometric Fiber Optic Sensors " Applied Optics, Vol.28, p.4210 (1989).

D. Culverhouse, F. Farahi, C.N. Pannell, D.A. Jackson, "Potential of Stimulated Brillouin Scattering as Sensing Mechanism for Distributed Temperature Sensors " Electronics Letters, Vol.25, No.14, p.913 (1989).

D. Culverhouse, F. Farahi, C.N. Pannell, D.A. Jackson, "Stimulated Brillouin Scattering: a Means to Realize Tunable Microwave Generator or Distributed Temperature Sensor " Electronics Letters, Vol.25, NO.14, p.915 (1989).

A.S. Gerges, F. Farahi, T.P. Newson, J.D.C. Jones, D.A. Jackson, "A Fiber Interferometric Sensor Utilizing a Low Coherence Length Source: Resolution Enhancement" Electronics Letters, Vol.24, No.8, p.472 (1988).

F. Farahi, T.P. Newson, P. Akhavan Leilabady, J.D.C. Jones, D.A. Jackson, "A Multiplexed Remote Fiber Optic Fabry-Perot Sensing System" Int. Journal of Opto-Electronics, Vol.3, No.1, p.79 (1988).

F. Farahi, T.P. Newson, J.D.C. Jones, D.A. Jackson, "Coherence Multiplexing of Remote Fiber Optic Fabry-Perot Sensing System" Optics Communications, Vol.65, No.5, p.319 (1988).

F. Farahi, J.D.C. Jones, D.A. Jackson, "An Extended Range Temperature Sensor" Int. Journal of Opto-Electronics, Vol.3, No.3, p.237 (1988).

F. Farahi, A.S. Gerges, J.D.C. Jones, D.A. Jackson, "Time-Division Multiplexing of Fiber Optic Interferometric Sensors Using a Frequency Modulated Laser Diode " Electronics Letters, Vol.24, No.1, p.54 (1988).

A.S. Gerges, F. Farahi, T.P. Newson, J.D.C. Jones, D.A. Jackson, "Fiber Optic Interferometric Sensors Using a Low Coherence Length Source: Dynamic Range Enhancement" Int. Journal of Opto-Electronics, Vol.3, No.4, p.311 (1988).

T.P. Newson, F. Farahi, J.D.C. Jones, D.A. Jackson, "Combined Interferometric and Polarimetric Fiber Optic Temperature Sensor With a Short Coherence Length Source" Optics Communications, Vol.68, No.3, p.161 (1988).

F. Farahi, J.D.C. Jones, D.A. Jackson," A Multiplexed Fiber Optic Interferometric Sensing System: Combined Frequency and Time Division " Electronics Letters, Vol.24, No.7, p.409 (1988). 

A.S. Gerges, T.P. Newson, F. Farahi, J.D.C. Jones, D.A. Jackson, "A Hemispherical Air Cavity Fiber Fabry-Perot Sensor" Optics Communications, Vol.68, NO.3, p.157 (1988).

F. Farahi, P. Akhavan Leilabady, J.D.C. Jones, D.A. Jackson, "Optical Fiber Flammable Gas Sensor" Journal of Physics E: Scientific Instruments, Vol.20, p.435 (1987).

F. Farahi, P. Akhavan Leilabady, J.D.C. Jones, D.A. Jackson, "Interferometric Fiber Optic Hydrogen Sensor" Journal of Physics E: Scientific Instruments, Vol.20, p.432 (1987).

Selected Patents 

Optical based opacity and flow monitoring system and method of monitoring opacity and flow, U.S. Patent No. 6,050,656.

Depth Profiling of Tissue Using Broadband Fiber-Optic Interferometry , U.S. Patent No. 5,920,390.

An arrangement for detecting signal frequency shifts produced by stimulated Brillouin scattering, U.K. patent No. 8914988.4

Optical carrier generation using stimulated Brillouin scattering, U.K. patent No. 9014502.0