Efficient pseudo-nondiffracting beam shaping using a quasicontinuous-phase diffractive element

Michael R. Wang; Changyuan Yu; Alberto J. Varela

doi:10.1117/1.1353800

Efficient pseudo-nondiffracting beam shaping using a quasicontinuous-phase diffractive element

Michael R. Wang, Changyuan Yu, Alberto J. Varela

Research output: Journal article publication › Journal article › Academic research › peer-review

10 Citations (Scopus)

Abstract

We report a new diffractive beam shaper that transforms an incident Gaussian beam into a pseudo-nondiffracting beam with a relatively flat on-axis intensity distribution in the propagation range. The compact single-element beam shaper with a quasicontinuous phase structure demonstrated beam-forming efficiency of 87.5%. The effects of misalignment and beam size error on beam-forming quality are also addressed.

Original language	English
Pages (from-to)	517-524
Number of pages	8
Journal	Optical Engineering
Volume	40
Issue number	4
DOIs	https://doi.org/10.1117/1.1353800
Publication status	Published - 1 Apr 2001
Externally published	Yes

Keywords

Beam shaping
Diffractive optical elements
Gray-level mask
Nondiffracting beam

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering(all)

More information

10.1117/1.1353800

Cite this

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abstract = "We report a new diffractive beam shaper that transforms an incident Gaussian beam into a pseudo-nondiffracting beam with a relatively flat on-axis intensity distribution in the propagation range. The compact single-element beam shaper with a quasicontinuous phase structure demonstrated beam-forming efficiency of 87.5%. The effects of misalignment and beam size error on beam-forming quality are also addressed.",

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AB - We report a new diffractive beam shaper that transforms an incident Gaussian beam into a pseudo-nondiffracting beam with a relatively flat on-axis intensity distribution in the propagation range. The compact single-element beam shaper with a quasicontinuous phase structure demonstrated beam-forming efficiency of 87.5%. The effects of misalignment and beam size error on beam-forming quality are also addressed.

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KW - Gray-level mask

KW - Nondiffracting beam

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Efficient pseudo-nondiffracting beam shaping using a quasicontinuous-phase diffractive element

Abstract

Keywords

ASJC Scopus subject areas

More information

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