All Stories

  1. Misalignment error analysis in polychromatic division of focal plane Stokes polarimeters
  2. Deflectometry encoding the measured angle in a time-dependent intensity signal
  3. LCoS display phase self-calibration method based on diffractive lens schemes
  4. Polarimetric imaging of biological tissues based on the indices of polarimetric purity
  5. Quantitative performance of a polarization diffraction grating polarimeter encoded onto two liquid-crystal-on-silicon displays
  6. Optical image encryption technique based on deterministic phase masks
  7. Complete snapshot Stokes polarimeter based on a single biaxial crystal
  8. Nanometer accuracy with continuous scans at the ALBA-NOM
  9. Implementation and performance of an in-line incomplete Stokes polarimeter based on a single biaxial crystal
  10. Multidisciplinary educational activity based on optical experiments conducted within an art context
  11. Inline digital holographic movie based on a double-sideband filter
  12. Arbitrary state of polarization with customized degree of polarization generator
  13. Simple spectral technique to identify the ordinary and extraordinary axes of a liquid crystal retarder
  14. Interferometric characterization of the structured polarized light beam produced by the conical refraction phenomenon
  15. Snapshot polarimeter based on the conical refraction phenomenon
  16. In-line digital holography with double knife edge
  17. Parallel aligned liquid crystal on silicon display based optical set-up for the generation of polarization spatial distributions
  18. Labeling technique for nonplanar surfaces based on the combination of a diffractive axilens with digital holography methods
  19. Compact LCOS–SLM Based Polarization Pattern Beam Generator
  20. Transformation of vector beams with radial and azimuthal polarizations in biaxial crystals
  21. Digital holographic movie by using a point diffraction interferometer
  22. Polarization imaging with enhanced spatial resolution
  23. Optimization, tolerance analysis and implementation of a Stokes polarimeter based on the conical refraction phenomenon
  24. Polarization tailored novel vector beams based on conical refraction
  25. Optical retarder system with programmable spectral retardance
  26. Flexible polarimeter architecture based on a birefringent grating
  27. Use of ferroelectric liquid crystal panels to control state and degree of polarization in light beams
  28. Different applications of liquid crystal panels
  29. Conical refraction as a tool for polarization metrology
  30. Uses of spatial light modulators for colour optical processing
  31. Design of a polarimeter with two ferroelectric liquid crystal panels
  32. Optimization and tolerance analysis of a polarimeter with ferroelectric liquid crystals
  33. Methods to obtain the waveform profile from slope measurements
  34. Super resolution imaging achieved by using on-axis interferometry based on a Spatial Light Modulator
  35. Point diffraction interferometer with a liquid crystal monopixel
  36. Polarimetric method for liquid crystal displays characterization in presence of phase fluctuations
  37. Holographic superresolution using spatial light modulator
  38. Teaching Fraunhofer diffraction via experimental and simulated images in the laboratory
  39. Programmable color tuning of a multiline laser by means of a twisted nematic liquid crystal display
  40. New method to improve the accuracy in a sequential lateral shearing interferometer
  41. Optimized Stokes polarimeters based on a single twisted nematic liquid-crystal device for the minimization of noise propagation
  42. Study of stokes polarimeters based on a single twisted nematic liquid crystal panel
  43. Enhancement of a PALCoS display efficiency by reducing the influence of different non-desired phenomena
  44. Study of polarimeters based on liquid crystal panels
  45. Characterization of the anamorphic and spatial frequency dependent phenomenon in Liquid Crystal on Silicon displays
  46. Jones matrix treatment for optical Fourier processors with structured polarization
  47. Edge detector tolerant to object defocusing
  48. Characterization of a parallel aligned liquid crystal on silicon and its application on a Shack-Hartmann sensor
  49. Complete Stokes polarimeters based on liquid crystal displays
  50. The minimum Euclidean distance principle applied to improve the modulation diffraction efficiency in digitally controlled spatial light modulators
  51. Optimization and performance criteria of a Stokes polarimeter based on two variable retarders
  52. Variable waveplate-based polarimeter for polarimetric metrology
  53. Anamorphic zoom system based on liquid crystal displays
  54. Influence of the incident angle in the performance of Liquid Crystal on Silicon displays
  55. Calibrating the Elements of a Multispectral Imaging System
  56. Time fluctuations of the phase modulation in a liquid crystal on silicon display: characterization and effects in diffractive optics
  57. Time-resolved Mueller matrix analysis of a liquid crystal on silicon display
  58. Three-zone pupil filters
  59. Influence of the incident angle in the performance of LCoS displays
  60. Wavelength dependence of polarimetric and phase-shift characterization of a liquid crystal on silicon display
  61. Combined Mueller and Jones matrix method for the evaluation of the complex modulation in a liquid-crystal-on-silicon display
  62. Two-zone pupil filters
  63. Mueller-Stokes characterization and optimization of a liquid crystal on silicon display showing depolarization
  64. Electrical origin and compensation for two sources of degradation of the spatial frequency response exhibited by liquid crystal displays
  65. Polarization vortices generation by diffraction from a four quadrant polarization mask
  66. Two-dimensional method for surface determination by optical deflectometry
  67. Improved expressions for performance parameters for complex filters
  68. Tailoring the depth of focus for optical imaging systems using a Fourier transform approach
  69. High depth of focus by combining annular lenses
  70. Analysis of Fabry–Perot interference effects on the modulation properties of liquid crystal displays
  71. Multiplexed lenses written onto a liquid crystal display to increase depth of focus
  72. Binary polarization pupil filter: Theoretical analysis and experimental realization with a liquid crystal display
  73. Nanofabrication of Fresnel zone plate lenses for X-ray optics
  74. Achromatic diffractive lens written onto a liquid crystal display
  75. Depth of focus increase by multiplexing programmable diffractive lenses
  76. Encoding 3D correlation in an optical processor
  77. Evolution of the transverse response of an optical system with complex filters
  78. Digital holography with a point diffraction interferometer
  79. Characterization of the retardance of a wave plate to increase the robustness of amplitude-only and phase-only modulations of a liquid crystal display
  80. Anamorphic and spatial frequency dependent phase modulation on liquid crystal displays. Optimization of the modulation diffraction efficiency
  81. Frequency responses and resolving power of numerical integration of sampled data
  82. Programmable apodizer to compensate chromatic aberration effects using a liquid crystal spatial light modulator
  83. Redundancy of stereoscopic images: Experimental evaluation
  84. Modulation light efficiency of diffractive lenses displayed in a restricted phase-mostly modulation display
  85. Simple method for multiplexing channels in a Fourier optical processor
  86. Jones matrix treatment for polarization Fourier optics
  87. Simple expressions for performance parameters of complex filters, with applications to super-Gaussian phase filters
  88. Symmetry properties with pupil phase-filters
  89. Elliptic light polarization modulation of liquid crystal panels
  90. Filtering tests for the alignment of a convergent correlator
  91. Real time texture classification with convregent diffractometer
  92. Filter design of composite trade-off filter with support regions to obtain invariant pattern recognition with defocused images
  93. Evaluation and correction of aberrations in an optical correlator by phase-shifting interferometry
  94. Complex encoding of rotation-invariant filters onto a single phase-only spatial light modulator
  95. Phase-only filtering on the three-dimensional Fourier spectrum of color images
  96. Rotation invariant color pattern recognition by use of a three-dimensional Fourier transform
  97. Parallel classification of multiple objects using a phase-only multichannel optical correlator
  98. Optimization of the polychromatic discrimination capability in multichannel pattern recognition
  99. Integration in the Fourier domain for restoration of a function from its slope: comparison of four methods
  100. Optical encoding of color three-dimensional correlation
  101. Phase and amplitude modulation of elliptic polarization states by nonabsorbing anisotropic elements: application to liquid-crystal devices
  102. Convergent optical correlator alignment based on frequency filtering
  103. Fractional derivatives—analysis and experimental implementation
  104. Programmable amplitude apodizers in liquid crystal spatial light modulators
  105. Parallel multichannel optical correlator for frequency subband decomposition
  106. Real-time correlator with liquid crystal panels: modulation optimization
  107. Simultaneous encoding of amplitude apodizers and Fresnel lenses in spatial light modulators
  108. Amplitude apodizers encoded onto Fresnel lenses implemented on a phase-only spatial light modulator
  109. Optimal multichannel estimation of the location of a target with nonoverlapping noise
  110. Fully complex synthetic discriminant functions written onto phase-only modulators
  111. Inherent apodization of lenses encoded on liquid-crystal spatial light modulators
  112. Invariant pattern recognition against defocus based on subband decomposition of the filter
  113. Colour pattern recognition by three-dimensional correlation
  114. Optical correlator as a tool for physicists and engineers training in signal processing
  115. Production of computer-generated phase holograms using graphic devices: application to correlation filters
  116. Copying low spatial frequency diffraction gratings in photopolymer as phase holograms
  117. Shift-invariant optoelectronic associative memory by using a cascade of correlators
  118. Gray-level computer-generated hologram filters for multiple-object correlation
  119. Axially invariant pupil filters
  120. Image processing with the radial Hilbert transform: theory and experiments
  121. Bessel function output from an optical correlator with a phase-only encoded inverse filter
  122. Adapting the input scene and the filter to the operating curves of the modulators in real-time correlators
  123. Encoding amplitude information onto phase-only filters
  124. Multichannel correlation by color multiplexing
  125. Image segmentation with a white light optical correlator
  126. Optical architectures for real-time image processing and pattern recognition
  127. Transverse and axial response of super-Gaussian rings
  128. Use of the periodic structure of spatial light modulators for parallel pattern recognition
  129. Pattern location estimation for multichannel images
  130. Programmable axial apodizing and hyperresolving amplitude filters with a liquid-crystal spatial light modulator
  131. Optical codification for multiclass pattern recognition using a parallel correlator
  132. A parallel implementation of the optical Gabor-wavelet transform
  133. Optical Color Pattern Recognition with High Discrimination Capability Using Binary Amplitude Phase-Only Filters
  134. Binary amplitude phase-only filter with high multiobject discrimination capability
  135. Input-image homogenization as a method to improve a correlator’s discrimination capability
  136. Correlation enhancement by adapting the filter to in-situ measured operating curves of the SLMs
  137. Pure phase correlation in a phase-only joint transform correlator
  138. Joint transform correlator architecture with a single LCTV operating in phase-mostly mode
  139. One-step multichannel pattern recognition based on the pixelated structure of a spatial light modulator
  140. Influence of nonuniform pupils in imaging periodical structures by photolithographic systems
  141. Implementation of bipolar real-valued input scenes in a real-time optical correlator: application to color pattern recognition
  142. Detection theory approach to multichannel pattern location
  143. Real-time binary-amplitude phase-only filters
  144. Color component transformations for optical pattern recognition
  145. Optoelectronic Thresholder for Pattern Recognition with Double Feedback Module
  146. Implementation of optimized binary amplitude phase-only filters in phase-only modulators
  147. Pure phase correlation applied to multi-object colour scenes
  148. Pattern recognition with a phase-shifting interferometric correlator. Discrimination-capability enhancement
  149. Coherent recognition of colored patterns
  150. Phase quantization effects on Fresnel lenses encoded in low resolution devices
  151. Study of the influence of nonuniform pupils in photolithographic systems through the apparent transfer function
  152. Accuracy of location measurement of a noisy target in a nonoverlapping background
  153. Minimum mean square error filters for spatially non-overlapping phase target and input scene noise
  154. Pure phase correlation with improved discrimination capability
  155. Color pattern recognition with circular component whitening
  156. Application of the Gabor multiscale decomposition of an image to pattern recognition
  157. Design of phase-only filters with binary amplitude optimizing the discrimination: direct search or simulated annealing?
  158. Whitening preprocessing of color components for pattern recognition
  159. Complex sidelobe removal by a multichannel procedure
  160. Effects of Amplitude and Phase Mismatching Errors in the Generation of a Kinoform for Pattern Recognition
  161. Comparison of computer-generated holograms produced by laser printers and lithography: application to pattern recognition
  162. Derivation of weighting coefficients for multiplexed phase-diffractive elements
  163. New arrangement for limited intensity invariance pattern recognition with high diffraction efficiency
  164. Correlation methods in polychromatic objects recognition: application of lithographic filters
  165. Improvement of light efficiency of the optimal filter for optical pattern recognition
  166. Computation of phase-only synthetic discriminant fubctions: a new algorithm
  167. Phase-only filter with improved discrimination
  168. Optoelectronic pure phase correlator
  169. Optimal filter approximation by means of a phase-only filter with quantization
  170. Pupil symmetries for identical axial response
  171. Recognition of partially occluded objects by correlation methods
  172. Experimental implementation of correlation filters for optical pattern recognition in defocused images
  173. Implementation of real filters in a joint transform correlator using a positive-only display
  174. Analytical and Numerical Approximations in Fresnel Diffraction
  175. Contrast performance of pure phase correlation
  176. Limited impulse response circular harmonic phase-only filter
  177. Multichannel rotation-invariant pattern recognition for polychromatic objects using circular harmonic filters
  178. Experimental results in color pattern recognition by multichannel matched filtering
  179. Influence of Amplitude-only Filters in Optical Systems with Residual Longitudinal Chromatic Aberration
  180. CAROTENOID AND CONJUGATED POLYAMINE LEVELS AS INDICATORS OF ULTRAVIOLET-C INDUCED STRESS IN Arabidopsis thaliana
  181. Optical pattern recognition in defocused images using correlation filters
  182. Maréchal Intensity Criteria for Apertures with Polynomial Non-uniform Transmission. Evaluation of the Diffraction Focus and the Strehl Ratio
  183. The role of amplitude and phase of the Fourier transform in the digital image processing
  184. Aberrated Optical Systems with Optimum Apodizers for the Strehl Ratio: Axial and Extra-axial Point-spread Function and Modulation-transfer Function
  185. Three-dimensional Differences in the Polychromatic Responses of Non-uniform Transmission Filters and Equivalent Pupils
  186. Matched filter and phase only filter performance in colour image recognition
  187. Axial and Extra-axial Responses in Aberrated Optical Systems with Apodizers. Optimization of the Strehl Ratio
  188. An Approximate Method to Obtain the Amplitude Distribution on the Exit Reference Sphere Due to a Non-uniform Transmission Filter
  189. Optical edge detection by a holographic filtering method
  190. Resolving power and encircled energy in aberrated optical systems with filters optimized for the Strehl ratio