Abstract

In this paper, is proposed a smart design for a two-dimensional (2-D) optical display using 2-D laser scanning and an electronically programmable three-dimensional (3-D) beamforming lens element. Specifically, an electronically controlled variable focal length lens (ECVFL) adjusts its focus power to produce the smallest focused beam spot on the display screen within the designed variable screen distance range. Since the screen distance is known, the angular scan range for the scan mirrors can be computed to generate the desired number of scanned spots in the 2-D display. Thus a smart display with the smallest pixel spot size is formed leading to the highest spatial resolution display for any given distance. Furthermore, if the scan angles are increased, a larger size display of higher pixel count can be formed without sacrificing display pixel size at this larger display size. A proof-of-concept smart display optics system is designed and demonstrated for a red 633-nm laser wavelength and an optimal display variable screen distance of 20–150 cm, giving optimized display pixel sizes of 51.92 and 538.1 µm, respectively.

© 2011 IEEE

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2010

N. A. Riza, S. A. Reza, "Smart agile lens remote optical sensor for three dimensional object shape measurements," Appl. Opt. 49, (2010).

2009

M. Sheikh, N. A. Riza, "Demonstration of pinhole laser beam profiling using a digital micromirror device," IEEE Photon. Technol. Lett. 21, 666 (2009).

M. Freeman, M. Champion, S. Madhavan, "Scanned laser pico projectors," OSA OPN Mag. 20, 28-34 (2009).

2008

D. Lashmet, D. Baty, M. Nichols, "A single-mirror laser-based scanning display engine," SID Mag., Projection Displays Issue 24, 26-28 (2008).

2007

2006

N. A. Riza, S. A. Khan, "Ultra-low loss laser communications technique using smart beamforming optics," Opt. Commun. 257, 225-246 (2006).

2000

R. A. Conant, P. Hagelin, U. Krishnamoorthy, M. Hart, O. Solgaard, K. Y. Lau, R. S. Muller, "A raster-scanning full-motion video display using polysilicon micromachined mirrors," Sensors Actuators A: Phys. 83, 291-296 (2000).

R. A. Conant, P. M. Hagelin, U. Krishnamoorthy, M. Hart, O. Solgaard, K. Y. Lau, R. S. Muller, "A raster-scanning full-motion video display using polysilicon micromachined mirrors," Sensors and Actuators 83, 291-296 (2000).

1998

P. R. Van Kessel, L. J. Hornbeck, R. E. Meier, M. R. Douglass, "A MEMS-based projection display," Proc. IEEE 86, 1687-1704 (1998).

1996

E. Downing, L. Hesselink, "A three-color solid-state three-dimensional display," Science 273, 1185 (1996).

1966

Appl. Opt.

N. A. Riza, S. A. Reza, "Smart agile lens remote optical sensor for three dimensional object shape measurements," Appl. Opt. 49, (2010).

H. Kogelnik, T. Li, "Laser beams and resonators," Appl. Opt. 5, 1550-1567 (1966).

IEEE Photon. Technol. Lett.

M. Sheikh, N. A. Riza, "Demonstration of pinhole laser beam profiling using a digital micromirror device," IEEE Photon. Technol. Lett. 21, 666 (2009).

J. Display Technol.

Opt. Commun.

N. A. Riza, S. A. Khan, "Ultra-low loss laser communications technique using smart beamforming optics," Opt. Commun. 257, 225-246 (2006).

OSA OPN Mag.

M. Freeman, M. Champion, S. Madhavan, "Scanned laser pico projectors," OSA OPN Mag. 20, 28-34 (2009).

Proc. IEEE

P. R. Van Kessel, L. J. Hornbeck, R. E. Meier, M. R. Douglass, "A MEMS-based projection display," Proc. IEEE 86, 1687-1704 (1998).

Science

E. Downing, L. Hesselink, "A three-color solid-state three-dimensional display," Science 273, 1185 (1996).

Sensors Actuators A: Phys.

R. A. Conant, P. Hagelin, U. Krishnamoorthy, M. Hart, O. Solgaard, K. Y. Lau, R. S. Muller, "A raster-scanning full-motion video display using polysilicon micromachined mirrors," Sensors Actuators A: Phys. 83, 291-296 (2000).

Sensors and Actuators

R. A. Conant, P. M. Hagelin, U. Krishnamoorthy, M. Hart, O. Solgaard, K. Y. Lau, R. S. Muller, "A raster-scanning full-motion video display using polysilicon micromachined mirrors," Sensors and Actuators 83, 291-296 (2000).

SID Mag., Projection Displays Issue

D. Lashmet, D. Baty, M. Nichols, "A single-mirror laser-based scanning display engine," SID Mag., Projection Displays Issue 24, 26-28 (2008).

Other

N. A. Riza, Compressive optical display U.S. Patent, pending (2010).

J. Kränert, C. Deter, T. Gessner, W. Dötzel, "Laser display technology," Proc. IEEE 11th Annu. Int. Worshop on Micro Electro Mechanical Syst. (1998) pp. 99-104.

J. Lee, Y. Mun, S. Do, Y. Ko, B. Choi, J. Kim, C. Hong, D. Jeon, "Laser TV for home theater," Proc. SPIE Projection Displays VIII (2002) pp. 138-145.

M. S. Brennesholtz, E. H. Stupp, Projection Displays (J. Wiley and Sons, 2008).

R. Sprague, M. Champion, M. Brown, D. Brown, M. Freeman, M. Niesten, Mobile Displays, Technology and Applications (Wiley, 2008).

W. Davis, R. Sprague, J. Miller, "MEMS-based pico projector display," Proc. IEEE/LEOS Opt. MEMS & Nanophoton. (2008) pp. 31-31.

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