Deconvolution method in designing freeform lens array for structured light illumination

Donglin Ma; Zexin Feng; Rongguang Liang

doi:10.1364/AO.54.001114

Deconvolution method in designing freeform lens array for structured light illumination

Donglin Ma
, Zexin Feng
, Rongguang Liang^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

We have developed a deconvolution freeform lens array design approach to generate high-contrast structured light illumination patterns. This method constructs the freeform lens array according to the point response obtained by deconvoluting the prescribed illumination pattern with the blur response of the extended light source. This design method is more effective in designing a freeform lens array to achieve accurate structured light patterns. For a sinusoidal fringe pattern, the contrast ratio can be as high as 97%, compared to 62% achieved by the conventional ray mapping method.

Original language	English
Pages (from-to)	1114-1117
Number of pages	4
Journal	Applied Optics
Volume	54
Issue number	5
DOIs	https://doi.org/10.1364/AO.54.001114
Publication status	Published - 10 Feb 2015
Externally published	Yes

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title = "Deconvolution method in designing freeform lens array for structured light illumination",

abstract = "We have developed a deconvolution freeform lens array design approach to generate high-contrast structured light illumination patterns. This method constructs the freeform lens array according to the point response obtained by deconvoluting the prescribed illumination pattern with the blur response of the extended light source. This design method is more effective in designing a freeform lens array to achieve accurate structured light patterns. For a sinusoidal fringe pattern, the contrast ratio can be as high as 97\%, compared to 62\% achieved by the conventional ray mapping method.",

author = "Donglin Ma and Zexin Feng and Rongguang Liang",

note = "Publisher Copyright: {\textcopyright} 2015 Optical Society of America.",

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AU - Feng, Zexin

AU - Liang, Rongguang

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N2 - We have developed a deconvolution freeform lens array design approach to generate high-contrast structured light illumination patterns. This method constructs the freeform lens array according to the point response obtained by deconvoluting the prescribed illumination pattern with the blur response of the extended light source. This design method is more effective in designing a freeform lens array to achieve accurate structured light patterns. For a sinusoidal fringe pattern, the contrast ratio can be as high as 97%, compared to 62% achieved by the conventional ray mapping method.

AB - We have developed a deconvolution freeform lens array design approach to generate high-contrast structured light illumination patterns. This method constructs the freeform lens array according to the point response obtained by deconvoluting the prescribed illumination pattern with the blur response of the extended light source. This design method is more effective in designing a freeform lens array to achieve accurate structured light patterns. For a sinusoidal fringe pattern, the contrast ratio can be as high as 97%, compared to 62% achieved by the conventional ray mapping method.

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DO - 10.1364/AO.54.001114

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Deconvolution method in designing freeform lens array for structured light illumination

Abstract

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