Abstract

A novel approach for the fabrication of high-quality preforms for use in the fabrication of photonic crystal fibers is described. The preforms are fabricated in a multistep process that involves stacking a bundle with rods and (or) tubes of two dissimilar glasses, fusing the bundle, and then etching the fused bundle in acid to remove one of the two glasses. The procedure for fabrication of the fused preforms is similar to that used in the fabrication of microchannel plate glass and yields periodically spaced, uniform, round channels that extend through the length of the preform.

© 2004 Optical Society of America

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References

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  1. P. Russell, Science 299, 358 (2003).
    [CrossRef] [PubMed]
  2. J. C. Knight, Nature 424, 847 (2003).
    [CrossRef] [PubMed]
  3. R. J. Tonucci, B. L. Justus, A. J. Campillo, and C. E. Ford, Science 258, 783 (1992).
    [CrossRef] [PubMed]
  4. P. Petropoulos, H. Ebendorff-Heidepriem, V. Finazzi, R. C. Moore, K. Frampton, D. J. Richardson, and T. M. Monro, Opt. Express 11, 3568 (2003), http://www.opticsexpress.org .
    [CrossRef] [PubMed]

2003 (3)

1992 (1)

R. J. Tonucci, B. L. Justus, A. J. Campillo, and C. E. Ford, Science 258, 783 (1992).
[CrossRef] [PubMed]

Campillo, A. J.

R. J. Tonucci, B. L. Justus, A. J. Campillo, and C. E. Ford, Science 258, 783 (1992).
[CrossRef] [PubMed]

Ebendorff-Heidepriem, H.

Finazzi, V.

Ford, C. E.

R. J. Tonucci, B. L. Justus, A. J. Campillo, and C. E. Ford, Science 258, 783 (1992).
[CrossRef] [PubMed]

Frampton, K.

Justus, B. L.

R. J. Tonucci, B. L. Justus, A. J. Campillo, and C. E. Ford, Science 258, 783 (1992).
[CrossRef] [PubMed]

Knight, J. C.

J. C. Knight, Nature 424, 847 (2003).
[CrossRef] [PubMed]

Monro, T. M.

Moore, R. C.

Petropoulos, P.

Richardson, D. J.

Russell, P.

P. Russell, Science 299, 358 (2003).
[CrossRef] [PubMed]

Tonucci, R. J.

R. J. Tonucci, B. L. Justus, A. J. Campillo, and C. E. Ford, Science 258, 783 (1992).
[CrossRef] [PubMed]

Nature (1)

J. C. Knight, Nature 424, 847 (2003).
[CrossRef] [PubMed]

Opt. Express (1)

Science (2)

P. Russell, Science 299, 358 (2003).
[CrossRef] [PubMed]

R. J. Tonucci, B. L. Justus, A. J. Campillo, and C. E. Ford, Science 258, 783 (1992).
[CrossRef] [PubMed]

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Figures (2)

Fig. 1
Fig. 1

(a) Illustration of a stacked bundle of 0120 rods and EG-4 tubes. The 0120 rods (1.5-mm diameter) are indicated by the filled circles, and the EG-4 tubes (outer diameter 1.5 mm, inner diameter 1.1 mm) are indicated by the open circles with a bold outline. The central core was formed by 19 of the EG-4 tubes. There were 84 of the EG-4 tubes situated in four rings surrounding the core. The bundle was contained within a 0120 glass cladding tube with an outer diameter of 38 mm. (b) Illustration of a fused bundle made by heating the stacked bundle shown in Fig. 1(a). The 0120 glass flowed during fusion and filled the interstitial spaces. The overall diameter of the bundle was reduced to 33 mm. The EG-4 tubes were unchanged by the fusion and are again indicated by the open circles with a bold outline. (c) Illustration of the preform made by etching the fused bundle shown in Fig. 1(b). The fused bundle was etched in a flowing 2.5% nitric acid solution for 2 h. The EG-4 glass was completely removed.

Fig. 2
Fig. 2

Photomicrographs of cleaved cross sections of lead silicate glass holey fiber selected at different times during the continuous draw. (a) Fiber diameter 1400 µm, (b) fiber diameter 750 µm. The 750µm-diameter fiber sample was selected from material drawn 1 h after the 1400µm-diameter sample was selected.

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