R M A Azzam

Summary

Affiliation: University of New Orleans
Country: USA

Publications

  1. ncbi request reprint Total internal reflection without change of polarization using a right-angle prism with half-wavelength-thick optical interference coating
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, LA 70148, USA
    Opt Lett 34:371-3. 2009
  2. doi request reprint Difference between the second-Brewster and pseudo-Brewster angles when polarized light is reflected at a dielectric-conductor interface
    A Alsamman
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 27:1156-61. 2010
  3. ncbi request reprint Transmission of p- and s-polarized light through a prism and the condition of minimum deviation
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 27:2085-90. 2010
  4. ncbi request reprint Polarization properties of retroreflecting right-angle prisms
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, LA 70148, USA
    Appl Opt 47:359-64. 2008
  5. ncbi request reprint Reflection coefficients of p- and s-polarized light by a quarter-wave layer: explicit expressions and application to beam splitters
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 47:1103-8. 2008
  6. ncbi request reprint Phase shifts in frustrated total internal reflection and optical tunneling by an embedded low-index thin film
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 23:960-5. 2006
  7. ncbi request reprint Achromatic angle-insensitive infrared quarter-wave retarder based on total internal reflection at the Si-SiO2 interface
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 21:2019-22. 2004
  8. ncbi request reprint In-line broadband 270 degrees (3lambda/4) chevron four-reflection wave retarders
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 47:4878-83. 2008
  9. ncbi request reprint Circular polarization beam splitter that uses frustrated total internal reflection by an embedded symmetric achiral multilayer coating
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, Lakefront, New Orleans, Louisiana 70148, USA
    Opt Lett 28:355-7. 2003
  10. ncbi request reprint Tilted parallel dielectric slab as a multilevel attenuator for incident p- or s-polarized light
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 48:425-8. 2009

Collaborators

  • A Alsamman

Detail Information

Publications29

  1. ncbi request reprint Total internal reflection without change of polarization using a right-angle prism with half-wavelength-thick optical interference coating
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, LA 70148, USA
    Opt Lett 34:371-3. 2009
    ..The reflected and incident polarization states are nearly identical in the presence of such small phase errors...
  2. doi request reprint Difference between the second-Brewster and pseudo-Brewster angles when polarized light is reflected at a dielectric-conductor interface
    A Alsamman
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 27:1156-61. 2010
    ..This maximum difference {phi(2B)-phi(pB)}(max) has an upper limit of 15.701 degrees when phi(pB)=28.195 degrees...
  3. ncbi request reprint Transmission of p- and s-polarized light through a prism and the condition of minimum deviation
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 27:2085-90. 2010
    ..Magnitudes and angular positions of the maxima and minima of the oscillatory T(p)-versus-theta curves are also calculated as functions of alpha for a ZnS prism of refractive index n=2.35 in the visible...
  4. ncbi request reprint Polarization properties of retroreflecting right-angle prisms
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, LA 70148, USA
    Appl Opt 47:359-64. 2008
    ....
  5. ncbi request reprint Reflection coefficients of p- and s-polarized light by a quarter-wave layer: explicit expressions and application to beam splitters
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 47:1103-8. 2008
    ..g., TiO2 or Ge) QWL embedded in a glass cube in the visible and near infrared spectral range. These simple devices have good angular and spectral response and are insensitive to small film thickness errors to the first order...
  6. ncbi request reprint Phase shifts in frustrated total internal reflection and optical tunneling by an embedded low-index thin film
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 23:960-5. 2006
    ..Finally, variable-angle FTIR ellipsometry is shown to be a sensitive technique for measuring the thickness of thin uniform air gaps between transparent bulk media...
  7. ncbi request reprint Achromatic angle-insensitive infrared quarter-wave retarder based on total internal reflection at the Si-SiO2 interface
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 21:2019-22. 2004
    ..Because the SiO2 layer at the base of the prism is optically thick, this QWR is unaffected by environmental contamination...
  8. ncbi request reprint In-line broadband 270 degrees (3lambda/4) chevron four-reflection wave retarders
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 47:4878-83. 2008
    ..5 degrees over the 3-5 microm spectral range...
  9. ncbi request reprint Circular polarization beam splitter that uses frustrated total internal reflection by an embedded symmetric achiral multilayer coating
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, Lakefront, New Orleans, Louisiana 70148, USA
    Opt Lett 28:355-7. 2003
    ..A visible (633-nm) design that operates at a 60 degree angle of incidence and an infrared (10.6-microm) 45 degree cube design are presented. The spectral and angular sensitivities of the device are also considered...
  10. ncbi request reprint Tilted parallel dielectric slab as a multilevel attenuator for incident p- or s-polarized light
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 48:425-8. 2009
    ..For an uncoated dielectric slab, incidence angles that cause first-order blooming are determined as functions of the slab refractive index for incident p- or s-polarized light...
  11. ncbi request reprint Tilted bilayer membranes as simple transmission quarter-wave retardation plates
    R M Azzam
    Department of Electrical Engineering, University of New Orleans, Lakefront, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 18:421-5. 2001
    ..Some designs provide a dual QWR in transmission and reflection. Such devices provide simple linear-to-circular (and circular-to-linear) polarization transformers. Bilayer eighth-wave retarders without diattenuation are also introduced...
  12. ncbi request reprint Parallel-slab polarizing beam splitter and photopolarimeter
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, Louisiana 70148, USA
    Appl Opt 46:292-4. 2007
    ..A novel multistage photopolarimeter that uses two such PBSs in series is described as being capable of sequential and simultaneous measurement of all four Stokes parameters of light...
  13. ncbi request reprint Plurality of principal angles for a given pseudo-Brewster angle when polarized light is reflected at a dielectric-conductor interface
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 25:2858-64. 2008
    ..This leads to an elaborate pattern of multiple solution branches for the difference phi (i)-phi(pB), i=1,2,3, as is illustrated by several examples...
  14. ncbi request reprint Quasi index matching for minimum reflectance at a dielectric-conductor interface for obliquely incident p- and s-polarized light
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 47:3211-5. 2008
    ..For phi> or =65 degrees the lowest reflectance of p-polarized light occurs when the ambient is vacuum or air. However, this lowest reflectance at the air-Au interface is not a true minimum in a mathematical sense...
  15. ncbi request reprint Efficiency of linear-to-circular polarization conversion for light reflection at the principal angle by a dielectric-conductor interface
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 25:834-7. 2008
    ....
  16. ncbi request reprint Poincaré sphere representation of the fixed-polarizer rotating-retarder optical system
    R M Azzam
    Department of Electrical Engineering, University of New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 17:2105-7. 2000
    ..Projections of the trajectory in the coordinate planes of the normalized Stokes parameter space (s1, s2, S3) are also determined...
  17. ncbi request reprint Quarter-wave layers with 50% reflectance for obliquely incident unpolarized light
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 24:850-5. 2007
    ..31, 1525 (2006)] and requires a film refractive index n1>or=(square root 2+1)square root n2. A monochromatic design that uses a high-index TiO2 thin film on a low-index MgF2 substrate at 488 nm wavelength is presented as an example...
  18. ncbi request reprint Infrared broadband 50%-50% beam splitters for s-polarized light
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, Louisiana 70148, USA
    Appl Opt 45:4572-5. 2006
    ..2-3.5 microm spectral range. Such s-polarization BSs are particularly suited for interferometry and holography...
  19. doi request reprint Circular and near-circular polarization states of evanescent monochromatic light fields in total internal reflection
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, Louisiana 70148, USA
    Appl Opt 50:6272-6. 2011
    ..Such polarization control of the evanescent field is significant, e.g., in the fluorescent excitation of molecules adsorbed at solid-liquid and solid-gas interfaces by total internal reflection...
  20. ncbi request reprint Symmetrically coated pellicle beam splitters for dual quarter-wave retardation in reflection and transmission
    Rasheed M A Azzam
    University of New Orleans, Department of Electrical Engineering, Lakefront, Louisiana 70148, USA
    Appl Opt 41:235-8. 2002
    ..These circular polarization beam splitters are intended for operation with a well-collimated light source and can be used as the basis of a novel circular polarization Michelson interferometer...
  21. ncbi request reprint Optimal beam splitters for the division-of-amplitude photopolarimeter
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 20:955-8. 2003
    ..368 degrees, 62.632 degrees) or (62.632 degrees, 27.368 degrees). It is also shown that for any nonabsorbing beam splitter that splits incident unpolarized light equally, the relationship psi(r) + psi(t) = pi/2 is always satisfied...
  22. ncbi request reprint Phase shifts that accompany total internal reflection at a dielectric-dielectric interface
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 21:1559-63. 2004
    ..88 degrees and occurs when N = 1.55377. Finally, several techniques are presented for determining the relative refractive index N by using TIR ellipsometry...
  23. ncbi request reprint Single-layer-coated beam splitters for the division-of-amplitude photopolarimeter
    Rasheed M A Azzam
    Electrical Engineering Department, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 44:190-6. 2005
    ..23% of its theoretical maximum. The exit face of the Si prism is antireflection coated with a 208-nm Si3N4 film...
  24. ncbi request reprint Polarizing properties of embedded symmetric trilayer stacks under conditions of frustrated total internal reflection
    Rasheed M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 45:1650-6. 2006
    ..IR polarizers that use CaF2-Ge-CaF2 trilayers embedded in a ZnS prism are also considered...
  25. ncbi request reprint Dividing a light beam into two beams of orthogonal polarizations by reflection and refraction at a dielectric surface
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, Louisiana 70148, USA
    Opt Lett 31:1525-7. 2006
    ..However, use of a high-refractive-index quarter-wave layer on a low-refractive-index substrate extends the operating range of this interesting device to a much wider spectral range including the visible...
  26. doi request reprint Three-dimensional polarization states of monochromatic light fields
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 28:2279-83. 2011
    ..In such a matrix transformation, E(i) and E(s) are the 3×1 GJVs of the incident and scattered waves and T is the 3×3 generalized Jones matrix of the scatterer at a given frequency and for given directions of incidence and scattering...
  27. doi request reprint Simplified design of thin-film polarizing beam splitter using embedded symmetric trilayer stack
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 50:3316-20. 2011
    ..Arbitrarily high reflectance for the s polarization is obtained at subwavelength thicknesses of the tunnel layers. This is illustrated by an IR Si-cube PBS that uses an embedded ZnS-Si-ZnS trilayer stack...
  28. doi request reprint Principal angles and principal azimuths of frustrated total internal reflection and optical tunneling by an embedded low-index thin film
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    J Opt Soc Am A Opt Image Sci Vis 28:1256-61. 2011
    ..The efficiency of linear-to-circular polarization conversion in optical tunneling is maximum at ϕe...
  29. doi request reprint Return-path, multiple-principal-angle, internal-reflection ellipsometer for measuring IR optical properties of aqueous solutions
    R M A Azzam
    Department of Electrical Engineering, University of New Orleans, New Orleans, Louisiana 70148, USA
    Appl Opt 49:4710-4. 2010
    ..2-11?mum IR spectral range are presented in support of this concept. The optical properties of water and aqueous solutions are important for modeling radiative transfer in the atmosphere and oceans and for biomedical and tissue optics...