Projects
Publications
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Publications

Professional Media

  1. J. Sofka, P. Prabhat, “Fluorescence Imaging/Microscopy: Improving fluorescence signal in time-sensitive experiments”, Laser Focus World, Vol. 54, No. 4, April 2018, (https://www.laserfocusworld.com/detectors-imaging/article/16555359/fluorescence-imagingmicroscopy-improving-fluorescence-signal-in-timesensitive-experiments, additional media: sofka.org/filters)

Journal Papers

  1. V. Nikulin, R. Khandekar, J. Sofka, “Laser Communication System with Acousto-Optic Tracking and Modulation: Experimental Study”, Optical Engineering, Vol. 48, No. 12, 125001, December 2009
  2. J. Sofka, V. Nikulin, V. Skormin, D. Hughes, D. Legare, “Laser Communication Between Mobile Platforms,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 45, No. 1, January 2009
  3. V. Nikulin, R. Khandekar, J. Sofka, “Agile Acousto-Optic Tracking System for Free-Space Optical Communications,” Optical Engineering, Vol. 47, No. 6, 064301, July 2008
  4. V. Nikulin, J. Sofka, V. Skormin, D. Hughes, D. Legare, “Demonstration of Optical Connectivity Between Two Mobile Platforms,” Journal of Gyroscopy and Navigation, No. 2, 2008
  5. V. Nikulin, J. Sofka, R. Khandekar, “Effect of the Sampling Rate of the Tracking System on Free-Space Laser Communications,” Optical Engineering, Vol. 47, No. 3, 036003, March 2008
  6. J. Sofka, V. Skormin, “Optical Platform Stabilization Using the Omni-Wrist III Robotic Manipulator,” Journal of Gyroscopy and Navigation, No. 1, 2007
  7. J. Sofka, V. Skormin, V. Nikulin, D. Nicholson, “Omni-Wrist III – A New Generation of Gimbals Systems: Mathematical Modeling,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 42, No. 2, April 2006
  8. J. Sofka, V. Skormin, V. Nikulin, D. Nicholson, “Omni-Wrist III – A New Generation of Gimbals Systems: Control,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 42, No. 2, April 2006
  9. V. Nikulin, J. Sofka, V. Skormin, “Advanced Lyapunov Control of a Novel Laser Beam Tracking System,” Optical Engineering, Vol. 4, No. 5, 056004, May 2005

Conference Proceedings

  1. V. Nikulin, J. Sofka, V. Skormin, D. Hughes, D. Legare, “Demonstration of Optical Connectivity Between Two Mobile Platforms,” Proceedings of the 14th St. Petersburg International Conference on Integrated Navigation Systems, May 2007
  2. R. Khandekar, V. Nikulin, J. Sofka, “Mitigation of Optical Turbulence Effects Using a Modified Simplex Optimization Approach: Experimental Study”, Proc. SPIE 6457, Free-Space Laser Communication Technologies XIX and Atmospheric Propagation of Electromagnetic Waves, 64570E, February 2007
  3. J. Sofka, V. Skormin, “Integrated Approach to Electromechanical Design of a Digitally Controlled High Precision Actuator for Aerospace Applications,” IEEE International Conference on Control Applications, Munich, Germany, October 2006
  4. J. Sofka, V. Skormin, “Optical Platform Stabilization Using the Omni-Wrist III Robotic Manipulator,” Proceedings of the 13th St. Petersburg International Conference on Integrated Navigation Systems, May 2006
  5. J. Sofka, V. Nikulin, “Bit Error Rate Optimization of an Acousto-Optic Tracking System for Free-Space Laser Communications,” Proc SPIE 6105, Free-Space Laser Communication Technologies XVIII, 61050L, 61050L, March 2006
  6. V. Nikulin, R. Khandekar, J. Sofka, “Performance of a Laser Communication System with Acousto-Optic Tracking: An Experimental Study,” Proc. SPIE 6105, Free-Space Laser Communication Technologies XVIII, 61050C, March 2006
  7. V. Nikulin, J. Sofka, R. Khandekar, “Performance of Free-Space Laser Communication Systems as a Function of the Sampling Rate in the Tracking Loop,” Proc. SPIE 5892, Free-Space Laser Communications V, 589216, September 2005
  8. V. Nikulin, R. Khandekar, J. Sofka, “Acousto-Optic Pointing and Tracking Systems for Free-space Laser Communications,” Proc. SPIE 5892, Free-Space Laser Communications V, 58921C, September 2005
  9. J. Sofka, V. Nikulin, V. Skormin, “Omni-Wrist III, A New Generation of Beam Steering Devices,” 1st IEEE Upstate NY Workshop on Communications and Networking, November 2004
  10. V. Nikulin, J. Sofka, V. Skormin, “Decentralized Control of an Omni-Wrist Laser Beam Tracking System,” Proc. SPIE 5338, Free-Space Laser Communication Technologies XVI, 194, June 2004
  11. J. Sofka, V. Skormin, V. Nikulin, D. Nicholson, M. Rosheim, “New Generation of Gimbals Systems for Laser Positioning Applications,” Proc. SPIE 5160, Free-Space Laser Communication and Active Laser Illumination III, January 2004
  12. J. Sofka, V. Nikulin, V. Skormin, D. Nicholson, “Hybrid Laser Beam Steerer for Laser Communications Applications,” Proc. SPIE 5160, Free-Space Laser Communication and Active Laser Illumination III, January 2004
  13. V. Skormin, J. Sofka, V. Nikulin, “A New Generation of Gimbals Systems for Laser Positioning Applications,” The Fifth Conference on Complex Systems: Control and Modeling Problems, Samara, Russia, June 2003