Jeffrey A Davis

Summary

Affiliation: San Diego State University
Country: USA

Publications

  1. ncbi request reprint Phasor analysis of eigenvectors generated in liquid-crystal displays
    Jeffrey A Davis
    Department of Physics, San Diego State University, California 92182 1233, USA
    Appl Opt 41:4579-84. 2002
  2. ncbi request reprint Bessel function output from an optical correlator with a phase-only encoded inverse filter
    J A Davis
    Department of Physics, San Diego State University, San Diego, California 92182, USA
    Appl Opt 38:6709-13. 1999
  3. ncbi request reprint Polarizing binary diffraction grating beam splitter
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182, USA
    Opt Lett 29:1443-5. 2004
  4. ncbi request reprint Azimuthal prism effect with partially blocked vortex-producing lenses
    Jeffrey A Davis
    San Diego State University, Department of Physics, California 92182 1233, USA
    Opt Lett 30:3204-6. 2005
  5. ncbi request reprint Fourier series analysis of fractal lenses: theory and experiments with a liquid-crystal display
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Appl Opt 45:1187-92. 2006
  6. ncbi request reprint Tailoring the depth of focus for optical imaging systems using a Fourier transform approach
    Jeffrey A Davis
    San Diego Sate University, Department of Physics, San Diego, California 92182, USA
    Opt Lett 32:844-6. 2007
  7. ncbi request reprint High diffraction efficiency from one- and two-dimensional Nyquist frequency binary-phase gratings
    Jeffrey A Davis
    San Diego State University, Department of Physics, San Diego, CA 92182, USA
    Appl Opt 47:2829-34. 2008
  8. ncbi request reprint Two-dimensional polarization encoding with a phase-only liquid-crystal spatial light modulator
    J A Davis
    Department of Physics, San Diego State University, San Diego, California 92182, USA
    Appl Opt 39:1549-54. 2000
  9. ncbi request reprint Encoding amplitude information onto phase-only filters
    J A Davis
    Department of Physics, San Diego State University, San Diego, California 92182, USA
    Appl Opt 38:5004-13. 1999
  10. ncbi request reprint Focusing properties of fractal zone plates: experimental implementation with a liquid-crystal display
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Opt Lett 29:1321-3. 2004

Collaborators

Detail Information

Publications22

  1. ncbi request reprint Phasor analysis of eigenvectors generated in liquid-crystal displays
    Jeffrey A Davis
    Department of Physics, San Diego State University, California 92182 1233, USA
    Appl Opt 41:4579-84. 2002
    ..We experimentally compare the intensity and phase operation for two configurations with the same spatial light modulator and show the improved performance with the new configuration...
  2. ncbi request reprint Bessel function output from an optical correlator with a phase-only encoded inverse filter
    J A Davis
    Department of Physics, San Diego State University, San Diego, California 92182, USA
    Appl Opt 38:6709-13. 1999
    ..To encode amplitude information on the filter, we spatially modulate the phase encoded on the filter. Amplitude modulation is obtained by modulation of the diffraction efficiency of the phase grating. Experimental results are presented...
  3. ncbi request reprint Polarizing binary diffraction grating beam splitter
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182, USA
    Opt Lett 29:1443-5. 2004
    ..These gratings produce several linearly polarized diffracted orders and a zeroth-order beam whose polarization state can be completely controlled. Experimental results are shown...
  4. ncbi request reprint Azimuthal prism effect with partially blocked vortex-producing lenses
    Jeffrey A Davis
    San Diego State University, Department of Physics, California 92182 1233, USA
    Opt Lett 30:3204-6. 2005
    ..When we combine clockwise and counterclockwise angular phase patterns on separate horizontal halves of the input plane, we create an interference effect in one half of the output plane, while the other half remains dark...
  5. ncbi request reprint Fourier series analysis of fractal lenses: theory and experiments with a liquid-crystal display
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Appl Opt 45:1187-92. 2006
    ..This approach allows us to separate the effects of the fractal order from those of the lens aperture. We implement these fractal lenses onto a liquid-crystal display and show experimental verification of our theory...
  6. ncbi request reprint Tailoring the depth of focus for optical imaging systems using a Fourier transform approach
    Jeffrey A Davis
    San Diego Sate University, Department of Physics, San Diego, California 92182, USA
    Opt Lett 32:844-6. 2007
    ..These complex amplitude and phase pupil functions are encoded onto a single liquid-crystal spatial light modulator. Experimental results show excellent agreement with theory and indicate the power of this approach...
  7. ncbi request reprint High diffraction efficiency from one- and two-dimensional Nyquist frequency binary-phase gratings
    Jeffrey A Davis
    San Diego State University, Department of Physics, San Diego, CA 92182, USA
    Appl Opt 47:2829-34. 2008
    ..Experimental results show excellent agreement with theoretical predictions. This is a surprising result that has a number of implications for the encoding of diffractive optical elements...
  8. ncbi request reprint Two-dimensional polarization encoding with a phase-only liquid-crystal spatial light modulator
    J A Davis
    Department of Physics, San Diego State University, San Diego, California 92182, USA
    Appl Opt 39:1549-54. 2000
    ..Several potential applications are suggested. We also report an unexpected edge-enhancement effect that might be useful in image processing applications...
  9. ncbi request reprint Encoding amplitude information onto phase-only filters
    J A Davis
    Department of Physics, San Diego State University, San Diego, California 92182, USA
    Appl Opt 38:5004-13. 1999
    ..This technique has several applications in both optical pattern recognition and image processing, including amplitude modulation and inverse filters. Experimental results are included for the new technique...
  10. ncbi request reprint Focusing properties of fractal zone plates: experimental implementation with a liquid-crystal display
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Opt Lett 29:1321-3. 2004
    ..The dependence of the shape and size of the focus points on critical design parameters is discussed. Additional unpredicted features are also described...
  11. ncbi request reprint Encoding amplitude and phase information onto a binary phase-only spatial light modulator
    Jeffrey A Davis
    San Diego State University, Department of Physics, San Diego, California 92182 1233, USA
    Appl Opt 42:2003-8. 2003
    ..This technique has applications in both optical pattern recognition and image processing. Experimental results are included...
  12. ncbi request reprint Selective edge enhancement of images with an acousto-optic light modulator
    Jeffrey A Davis
    Department of Physics, San Diego State University, California 92182 1233, USA
    Appl Opt 41:4835-9. 2002
    ..We relate this technique to the fractional Hilbert transform and the fractional derivative image-processing operations and discuss its application to phase-only input images...
  13. doi request reprint Abruptly autofocusing vortex beams
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Opt Express 20:13302-10. 2012
    ..Finally we show how to move the focus spot in three dimensions by encoding additional optical elements onto the phase pattern...
  14. doi request reprint Ray matrix analysis of the fast Fresnel transform with applications towards liquid crystal displays
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Appl Opt 51:644-50. 2012
    ..We show two examples that confirm our ideas. We expect that these results will be very useful for computational comparison with experimental studies of a variety of diffraction phenomena...
  15. doi request reprint Effects of the optical system on the output from wavefront coding masks
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Opt Express 19:17677-82. 2011
    ..We review the similarities and critical differences between various optical systems and show computational results. We suggest new directions for improving the performance of these wavefront coding masks...
  16. doi request reprint Fourier transform pupil functions for modifying the depth of focus of optical imaging systems
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182, USA
    Appl Opt 48:4893-8. 2009
    ..Finally we multiply our original pupil function by an edge-enhancing window function. Now the pupil function produces two sharp focus spots at the locations corresponding to the edges of the rectangle function...
  17. ncbi request reprint Generation of accelerating Airy and accelerating parabolic beams using phase-only patterns
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Appl Opt 48:3170-6. 2009
    ..Finally we incorporate the Fourier transform lens onto the mask. We obtain excellent experimental results with a phase-only pattern and a shorter optical system. This approach makes these beams much easier to implement...
  18. ncbi request reprint Circular-polarization-splitting common-path interferometer based on a zero-twist liquid-crystal display
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Opt Lett 34:1486-8. 2009
    ..Using a linear polarizer, these two beams form an interferogram that can be used to analyze optically active media. Experimental results are provided showing the detection of left-handed-rotary and right-handed-rotary media...
  19. ncbi request reprint Observation of accelerating parabolic beams
    Jeffrey A Davis
    San Diego State University, Department of Physics, San Diego, CA 92182 1233, USA
    Opt Express 16:12866-71. 2008
    ..The amplitude and phase masks required to generate these beams are encoded onto a single liquid crystal display. Experimental results agree well with theory...
  20. doi request reprint Fraunhofer diffraction of a partially blocked spiral phase plate
    Don M Cottrell
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Opt Express 19:12873-8. 2011
    ..In this work, we present an explanation of this effect based on careful examination of classical diffraction theory and show new experimental results. This approach is very convenient for easily determining the sign of the vortex charge...
  21. doi request reprint Direct generation of abruptly focusing vortex beams using a 3/2 radial phase-only pattern
    Jeffrey A Davis
    San Diego State University, Department of Physics, San Diego, California 92182 1233, USA
    Appl Opt 52:1888-91. 2013
    ..The resulting optical system is much shorter. In addition, we can easily produce vortex patterns at the focal point of these beams. Experimental results match theoretical predictions...
  22. doi request reprint Creating three-dimensional lattice patterns using programmable Dammann gratings
    Jeffrey A Davis
    Department of Physics, San Diego State University, San Diego, California 92182 1233, USA
    Appl Opt 50:3653-7. 2011
    ..We demonstrate the generation of five planar arrays each having 6×6 points surrounding another set of four planar arrays each having 5×5 points with a single pattern...