Laser projection using generalized phase contrast

Jesper Glückstad; Darwin Palima; Peter John Rodrigo; Carlo Amadeo Alonzo

doi:10.1364/OL.32.003281

Laser projection using generalized phase contrast

Jesper Glückstad, Darwin Palima, Peter John Rodrigo, Carlo Amadeo Alonzo

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

We demonstrate experimental laser projection of a gray-level photographic image with 74% light efficiency using the generalized phase contrast (GPC) method. In contrast with a previously proposed technique [Alonzo et al., New J. Phys. 9, 132 (2007)], a new approach to image construction via GPC is introduced. An arbitrary phase shift filter eliminates the need for high-frequency modulation and conjugate phase encoding. This lowers device performance requirements and allows practical implementation with currently available dynamic spatial light modulators. (c) 2007 Optical Society of America.

Original language	English
Journal	Optical Letters
Volume	32
Issue number	22
Pages (from-to)	3281-3283
ISSN	0146-9592
DOIs	https://doi.org/10.1364/OL.32.003281
Publication status	Published - 2007

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title = "Laser projection using generalized phase contrast",

abstract = "We demonstrate experimental laser projection of a gray-level photographic image with 74% light efficiency using the generalized phase contrast (GPC) method. In contrast with a previously proposed technique [Alonzo et al., New J. Phys. 9, 132 (2007)], a new approach to image construction via GPC is introduced. An arbitrary phase shift filter eliminates the need for high-frequency modulation and conjugate phase encoding. This lowers device performance requirements and allows practical implementation with currently available dynamic spatial light modulators. (c) 2007 Optical Society of America.",

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AU - Rodrigo, Peter John

AU - Alonzo, Carlo Amadeo

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AB - We demonstrate experimental laser projection of a gray-level photographic image with 74% light efficiency using the generalized phase contrast (GPC) method. In contrast with a previously proposed technique [Alonzo et al., New J. Phys. 9, 132 (2007)], a new approach to image construction via GPC is introduced. An arbitrary phase shift filter eliminates the need for high-frequency modulation and conjugate phase encoding. This lowers device performance requirements and allows practical implementation with currently available dynamic spatial light modulators. (c) 2007 Optical Society of America.

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Laser projection using generalized phase contrast

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