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

Research output: Contribution to journalArticle

29 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 languageEnglish
Pages (from-to)119-121
Number of pages3
JournalOptics Letters
Volume26
Issue number3
DOIs
Publication statusPublished - 2001 Feb 1

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hollow
optical fibers
diffraction
lasers
atoms
metal coatings
masking
micrometers
near fields
switches
lenses
traps
coatings
fibers

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Shin, Y. I., Kim, K., Kim, J. A., Noh, H. R., Jhe, W., Oh, K., & Paek, U. C. (2001). Diffraction-limited dark laser spot produced by a hollow optical fiber. Optics Letters, 26(3), 119-121. https://doi.org/10.1364/OL.26.000119
Shin, Yong Il ; Kim, Kihwan ; Kim, Jong An ; Noh, Heung Ryoul ; Jhe, Wonho ; Oh, Kyunghwan ; Paek, Un Chul. / Diffraction-limited dark laser spot produced by a hollow optical fiber. In: Optics Letters. 2001 ; Vol. 26, No. 3. pp. 119-121.
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Shin, YI, Kim, K, Kim, JA, Noh, HR, Jhe, W, Oh, K & Paek, UC 2001, 'Diffraction-limited dark laser spot produced by a hollow optical fiber', Optics Letters, vol. 26, no. 3, pp. 119-121. https://doi.org/10.1364/OL.26.000119

Diffraction-limited dark laser spot produced by a hollow optical fiber. / Shin, Yong Il; Kim, Kihwan; Kim, Jong An; Noh, Heung Ryoul; Jhe, Wonho; Oh, Kyunghwan; Paek, Un Chul.

In: Optics Letters, Vol. 26, No. 3, 01.02.2001, p. 119-121.

Research output: Contribution to journalArticle

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AU - Oh, Kyunghwan

AU - Paek, Un Chul

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