Diffraction-limited dark laser spot produced by a hollow optical fiber

Yong Il Shin; Kihwan Kim; Jong An Kim; Heung Ryoul Noh; Wonho Jhe; Kyunghwan Oh; Un Chul Paek

doi:10.1364/OL.26.000119

Diffraction-limited dark laser spot produced by a hollow optical fiber

Yong Il Shin, Kihwan Kim, Jong An Kim, Heung Ryoul Noh, Wonho Jhe, Kyunghwan Oh, Un Chul Paek

Department of Physics

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

31 Citations (Scopus)

Abstract

By using the diffracted field of the LP₁₁ mode of a hollow-core optical fiber, we have produced a micrometer-sized, focused dark laser spot in the near field of the fiber. The minimum half-width of the dark spot is less than 1 μm. In particular, by masking the hollow core and metal coating the cladding with a microsphere, we blocked the light propagating in the cladding and obtained a clean dark spot, which may be useful in atom-optical experiments such as with atomic lenses, atom traps, and atom switches.

Original language	English
Pages (from-to)	119-121
Number of pages	3
Journal	Optics Letters
Volume	26
Issue number	3
DOIs	https://doi.org/10.1364/OL.26.000119
Publication status	Published - 2001 Feb 1

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.26.000119

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abstract = "By using the diffracted field of the LP11 mode of a hollow-core optical fiber, we have produced a micrometer-sized, focused dark laser spot in the near field of the fiber. The minimum half-width of the dark spot is less than 1 μm. In particular, by masking the hollow core and metal coating the cladding with a microsphere, we blocked the light propagating in the cladding and obtained a clean dark spot, which may be useful in atom-optical experiments such as with atomic lenses, atom traps, and atom switches.",

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AU - Shin, Yong Il

AU - Kim, Kihwan

AU - Kim, Jong An

AU - Noh, Heung Ryoul

AU - Jhe, Wonho

AU - Oh, Kyunghwan

AU - Paek, Un Chul

PY - 2001/2/1

Y1 - 2001/2/1

N2 - By using the diffracted field of the LP11 mode of a hollow-core optical fiber, we have produced a micrometer-sized, focused dark laser spot in the near field of the fiber. The minimum half-width of the dark spot is less than 1 μm. In particular, by masking the hollow core and metal coating the cladding with a microsphere, we blocked the light propagating in the cladding and obtained a clean dark spot, which may be useful in atom-optical experiments such as with atomic lenses, atom traps, and atom switches.

AB - By using the diffracted field of the LP11 mode of a hollow-core optical fiber, we have produced a micrometer-sized, focused dark laser spot in the near field of the fiber. The minimum half-width of the dark spot is less than 1 μm. In particular, by masking the hollow core and metal coating the cladding with a microsphere, we blocked the light propagating in the cladding and obtained a clean dark spot, which may be useful in atom-optical experiments such as with atomic lenses, atom traps, and atom switches.

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Diffraction-limited dark laser spot produced by a hollow optical fiber

Abstract

All Science Journal Classification (ASJC) codes

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