Direct generation of the lowest-order vortex beam using a spot defect mirror in the ultraviolet region

Yuuki Uesugi; Yuichi Kozawa; Shunichi Sato

doi:10.1364/OL.389174

Direct generation of the lowest-order vortex beam using a spot defect mirror in the ultraviolet region

Yuuki Uesugi, Yuichi Kozawa, Shunichi Sato

Division of Process and System Engineering

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

3 Citations (Scopus)

Abstract

The creation of ultraviolet optical vortex beams with the topological charge of |l| = 1 at the wavelength of 325 nm was demonstrated from a He-Cd metal vapor laser with a spot defect mirror. The measured M² factor was close to the theoretical value of two of the LG₀₁ Laguerre-Gaussian mode. Some interference experiments showed that the obtained vortex beams were stable enough for practical applications such as holographic lithography.

Original language	English
Pages (from-to)	2115-2118
Number of pages	4
Journal	Optics Letters
Volume	45
Issue number	7
DOIs	https://doi.org/10.1364/OL.389174
Publication status	Published - 2020 Apr 1

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.389174

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title = "Direct generation of the lowest-order vortex beam using a spot defect mirror in the ultraviolet region",

abstract = "The creation of ultraviolet optical vortex beams with the topological charge of |l| = 1 at the wavelength of 325 nm was demonstrated from a He-Cd metal vapor laser with a spot defect mirror. The measured M2 factor was close to the theoretical value of two of the LG01 Laguerre-Gaussian mode. Some interference experiments showed that the obtained vortex beams were stable enough for practical applications such as holographic lithography.",

author = "Yuuki Uesugi and Yuichi Kozawa and Shunichi Sato",

note = "Funding Information: Japan Society for the Promotion of Science (JP15H01995, JP16H06626). Publisher Copyright: {\textcopyright} 2020 Optical Society of America",

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AU - Sato, Shunichi

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N2 - The creation of ultraviolet optical vortex beams with the topological charge of |l| = 1 at the wavelength of 325 nm was demonstrated from a He-Cd metal vapor laser with a spot defect mirror. The measured M2 factor was close to the theoretical value of two of the LG01 Laguerre-Gaussian mode. Some interference experiments showed that the obtained vortex beams were stable enough for practical applications such as holographic lithography.

AB - The creation of ultraviolet optical vortex beams with the topological charge of |l| = 1 at the wavelength of 325 nm was demonstrated from a He-Cd metal vapor laser with a spot defect mirror. The measured M2 factor was close to the theoretical value of two of the LG01 Laguerre-Gaussian mode. Some interference experiments showed that the obtained vortex beams were stable enough for practical applications such as holographic lithography.

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Direct generation of the lowest-order vortex beam using a spot defect mirror in the ultraviolet region

Abstract

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