High Efficiency Electrically-Addressable Phase-Only Spatial Light Modulator

Igasaki, Yasuhiro; Li, Fanghong; Yoshida, Narihiro; Toyoda, Haruyoshi; Inoue, Takashi; Mukohzaka, Naohisa; Kobayashi, Yuji; Hara, Tsutomu

doi:10.1007/s10043-999-0339-2

Cited by 113 publications

(49 citation statements)

References 8 publications

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“…The proposed method is suitable for real-time optical reconstruction of the 3D object because phase-only reconstruction allows us to use commercially available display devices, such as liquid-crystal spatial light modulator͑s͒ ͑SLM͒͑s͒. 16,17 These devices can only be operated in either phase or amplitude modulation mode. Using only this phase information, we can reduce by half the storage requirements of the digital hologram.…”

Section: Introductionmentioning

confidence: 99%

Real-time three-dimensional object reconstruction by use of a phase-encoded digital hologram

et al. 2002

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A three-dimensional (3D) object reconstruction technique that uses only phase information of a phaseshifting digital hologram and a phase-only spatial-light modulator is proposed. It is well known that a digital hologram can store both amplitude and phase information of an optical electric field and can reconstruct the original 3D object in a computer. We demonstrate that it is possible to reconstruct optically 3D objects using only phase information of the optical field calculated from phase-shifting digital holograms. The use of phase-only information enables us to reduce the amount of data in the digital hologram and reconstruct optically the 3D objects using a liquid-crystal spatial light modulator without optical power loss. Numerical evaluation of the reconstructed 3D object is presented.

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Section: Introductionmentioning

confidence: 99%

Real-time three-dimensional object reconstruction by use of a phase-encoded digital hologram

et al. 2002

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“…21 This device, which can perform phase-only modulation of more than 2 radian, is frequently used to display real-time computer-generated holograms ͑CGHs͒. The PAL-SLM is made up of a liquid crystal ͑LC͒ layer, a dielectric mirror, and an optically addressed photoconductive ͑PC͒ layer, which are sandwiched between two transparent indium tin oxide electrodes.…”

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confidence: 99%

Variable holographic femtosecond laser processing by use of a spatial light modulator

Hayasaki

Sugimoto

Takita

et al. 2005

Applied Physics Letters

247

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“…As a result, the integral phase response could be calibrated as a function of the addressing parameter. 9 The system proved to achieve a phase-only modulation over 3 / 2 rad, as shown in Fig. 2.…”

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confidence: 99%

Spatial-chirp compensation in dynamical holograms reconstructed with ultrafast lasers

Martínez-León

Clemente

Tajahuerce

et al. 2009

Applied Physics Letters

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A computer generated hologram ͑CGH͒ reconstructed with a sub-100-fs laser pulse at the focal plane of a conventional refractive lens experiences a large amount of spatial chirp. We report the shaping of a 12 fs laser pulsed beam by means of a Fourier CGH implemented onto a spatial light modulator, using a hybrid diffractive-refractive lens triplet that provides spatial-chirp compensation. Experimental results demonstrate that parallel, arbitrary, and high-resolution patterning is possible with the proposed device.

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High Efficiency Electrically-Addressable Phase-Only Spatial Light Modulator

Cited by 113 publications

References 8 publications

Real-time three-dimensional object reconstruction by use of a phase-encoded digital hologram

Real-time three-dimensional object reconstruction by use of a phase-encoded digital hologram

Variable holographic femtosecond laser processing by use of a spatial light modulator

Spatial-chirp compensation in dynamical holograms reconstructed with ultrafast lasers

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