Abstract

We present two liquid crystal devices specifically designed to dynamically generate optical vortices. Two different electrode geometrical shapes have been lithographically patterned into vertical-aligned liquid crystal cells. First, we demonstrate a pie-shape structure with 12 slices, which can be adjusted to produce spiral phase plates (SPP) that generate optical vortices. Moreover, the same device can be used to generate a pseudo-radially polarized beam, by simply adding two quarter-wave plates on each side. A second device has been fabricated with spiral shaped electrodes, which result from the combination of a SPP with the phase of a diffractive lens. This device acts as a spiral diffractive lens (SDL), thus avoiding the requirement of any additional physical external lens to provide focusing of the generated optical vortices. In both devices, the phase modulation can be adjusted by means of the voltage applied to the patterned electrodes, in order to change the properties of the generated optical vortex beams. Experimental demonstrations are provided for different wavelengths.

© 2012 Crown

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2011 (2)

J. P. Torres, "Quantum engineering of light," Opt. Pura Apl. 44, 309-314 (2011).

L. Marrucci, E. Karimi, S. Slussarenko, B. Piccirillo, E. Santamato, E. Magali, F. Sciarrino, "Spin-to-orbital momentum of light and its classical and quantum applications," J. Opt. 13, 064001 (2011).

2010 (2)

I. Moreno, J. A. Davis, I. Ruiz, D. M. Cottrell, "Decomposition of radially and azimuthally polarized beams using a circular-polarization and vortex-sensing diffraction grating," Opt. Exp. 18, 7173-7183 (2010).

N. Zhang, J. A. Davis, I. Moreno, D. M. Cottrell, X.-C. Yuan, "Analysis of multilevel spiral phase plates using a Dammann vortex sensing grating," Opt. Exp. 18, 25987-25992 (2010).

2008 (2)

J. A. Davis, J. B. Chambers, B. A. Slovick, I. Moreno, "Wavelength-dependent diffraction patterns from a liquid crystal display," Appl. Opt. 47, 4375-4380 (2008).

C. Maurer, A. Jesacher, S. Fürhapter, S. Bernet, M. Ritsch-Marte, "Upgrading a microscope with a spiral phase plate," J. Microsc. 230, 134-142 (2008).

2005 (1)

P. Velásquez, M. M. Sánchez-López, I. Moreno, D. Puerto, F. Mateos, "Interference birefringent filters fabricated with low cost commercial polymers," Amer. J. Phys. 73, 357-361 (2005).

2004 (4)

W. C. Cheong, W. M. Lee, X. C. Yuan, L. S. Zhang, K. Dholakia, H. Wang, "Direct electron-beam writing of continuous spiral phase plates in negative resist with high power efficiency for optical manipulation," Appl. Phys. Lett. 85, 5784-5786 (2004).

K. Crabtree, J. A. Davis, I. Moreno, "Optical processing with vortex-producing lenses," Appl. Opt. 43, 1360-1367 (2004).

Q. Wang, X. M. Sun, P. Shum, "Generating doughnut-shaped beams with large charge numbers by use of liquid-crystal spiral phase plates," Appl. Opt. 43, 2292-2297 (2004).

G. Gibson, J. Courtial, M. Padgett, M. Vasnetsov, V. Pas'ko, S. Barnett, S. Franke-Arnold, "Free-space information transfer using light beams carrying orbital angular momentum," Opt. Exp. 12, 5448-5456 (2004).

2002 (1)

D. Ganic, X. Gan, M. Gu, M. Hain, S. Somalingam, S. Stankovic, T. Tschudi, "Generation of doughnut laser beam by use of a liquid-crystal cell with a conversion efficiency near 100%;," Opt. Lett. 17, 1351-1353 (2002).

2001 (1)

G. A. Swartzlander, Jr."Peering into darkness with a vortex spatial filter," Opt. Lett. 26, 497-499 (2001).

2000 (2)

J. A. Davis, D. E. McNamara, D. M. Cottrell, T. Sonehara, "Two-dimensional polarization encoding with a phase-only liquid-crystal spatial light modulator," Appl. Opt. 39, 1539-1554 (2000).

J. A. Davis, D. E. McNamara, D. M. Cottrell, J. Campos, "Image processing with the radial Hilbert transform: Theory and experiments," Opt. Lett. 25, 99-101 (2000).

1999 (1)

1996 (2)

G. A. Turnbull, D. A. Robertson, G. M. Smith, L. Allen, M. J. Padgett, "The generation of free-space Laguerre-Gaussian modes at millimetre-wave frequencies by use of a spiral phaseplate," Opt. Commun. 127, 183-188 (1996).

M. Stalder, M. Schadt, "Linearly polarized light with axial symmetry generated by liquid-crystal polarization converters," Opt. Lett. 21, 1948-1950 (1996).

1995 (1)

H. He, M. E. J. Friese, N. R. Heckenberg, H. Rubinsztein-Dunlop, "Direct observation of transfer of angular momentum to absorptive particles from a laser beam with a phase singularity," Phys. Rev. Lett. 75, 826-829 (1995).

1994 (1)

M. W. Beijersbergen, R. P. C. Coerwinkel, M. Kristensen, J. P. Woerdman, "Helical-wavefront laser beams produced with a spiral phaseplate," Opt. Commun. 112, 321-327 (1994).

1992 (2)

N. R. Heckenberg, R. McDuff, C. P. Smith, A. G. White, "Generation of optical phase singularities by computer-generated holograms," Opt. Lett. 17, 221-223 (1992).

S. N. Khonina, V. V. Kotlyar, M. V. Shinkaryev, V. A. Soifer, G. V. Uspleniev, "The phase rotor filter," J. Mod. Opt. 39, 1147-1154 (1992).

1990 (1)

Amer. J. Phys. (1)

P. Velásquez, M. M. Sánchez-López, I. Moreno, D. Puerto, F. Mateos, "Interference birefringent filters fabricated with low cost commercial polymers," Amer. J. Phys. 73, 357-361 (2005).

Appl. Opt. (1)

J. A. Davis, J. B. Chambers, B. A. Slovick, I. Moreno, "Wavelength-dependent diffraction patterns from a liquid crystal display," Appl. Opt. 47, 4375-4380 (2008).

Appl. Opt. (4)

Appl. Phys. Lett. (1)

W. C. Cheong, W. M. Lee, X. C. Yuan, L. S. Zhang, K. Dholakia, H. Wang, "Direct electron-beam writing of continuous spiral phase plates in negative resist with high power efficiency for optical manipulation," Appl. Phys. Lett. 85, 5784-5786 (2004).

J. Opt. (1)

L. Marrucci, E. Karimi, S. Slussarenko, B. Piccirillo, E. Santamato, E. Magali, F. Sciarrino, "Spin-to-orbital momentum of light and its classical and quantum applications," J. Opt. 13, 064001 (2011).

J. Microsc. (1)

C. Maurer, A. Jesacher, S. Fürhapter, S. Bernet, M. Ritsch-Marte, "Upgrading a microscope with a spiral phase plate," J. Microsc. 230, 134-142 (2008).

J. Mod. Opt. (1)

S. N. Khonina, V. V. Kotlyar, M. V. Shinkaryev, V. A. Soifer, G. V. Uspleniev, "The phase rotor filter," J. Mod. Opt. 39, 1147-1154 (1992).

Opt. Exp. (2)

G. Gibson, J. Courtial, M. Padgett, M. Vasnetsov, V. Pas'ko, S. Barnett, S. Franke-Arnold, "Free-space information transfer using light beams carrying orbital angular momentum," Opt. Exp. 12, 5448-5456 (2004).

N. Zhang, J. A. Davis, I. Moreno, D. M. Cottrell, X.-C. Yuan, "Analysis of multilevel spiral phase plates using a Dammann vortex sensing grating," Opt. Exp. 18, 25987-25992 (2010).

Opt. Lett. (3)

G. A. Swartzlander, Jr."Peering into darkness with a vortex spatial filter," Opt. Lett. 26, 497-499 (2001).

N. R. Heckenberg, R. McDuff, C. P. Smith, A. G. White, "Generation of optical phase singularities by computer-generated holograms," Opt. Lett. 17, 221-223 (1992).

J. A. Davis, D. E. McNamara, D. M. Cottrell, J. Campos, "Image processing with the radial Hilbert transform: Theory and experiments," Opt. Lett. 25, 99-101 (2000).

Opt. Commun. (2)

M. W. Beijersbergen, R. P. C. Coerwinkel, M. Kristensen, J. P. Woerdman, "Helical-wavefront laser beams produced with a spiral phaseplate," Opt. Commun. 112, 321-327 (1994).

G. A. Turnbull, D. A. Robertson, G. M. Smith, L. Allen, M. J. Padgett, "The generation of free-space Laguerre-Gaussian modes at millimetre-wave frequencies by use of a spiral phaseplate," Opt. Commun. 127, 183-188 (1996).

Opt. Exp. (1)

I. Moreno, J. A. Davis, I. Ruiz, D. M. Cottrell, "Decomposition of radially and azimuthally polarized beams using a circular-polarization and vortex-sensing diffraction grating," Opt. Exp. 18, 7173-7183 (2010).

Opt. Lett. (3)

Opt. Pura Apl. (1)

J. P. Torres, "Quantum engineering of light," Opt. Pura Apl. 44, 309-314 (2011).

Phys. Rev. Lett. (1)

H. He, M. E. J. Friese, N. R. Heckenberg, H. Rubinsztein-Dunlop, "Direct observation of transfer of angular momentum to absorptive particles from a laser beam with a phase singularity," Phys. Rev. Lett. 75, 826-829 (1995).

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