Abstract

A simple Raman probe was realized using a single flexible hollow waveguide (HW). A HW coated with a silver film, which had reasonable transmission and little optical background noise, was used as a bidirectional transmission fiber for both the excitation and collection of Raman scattered light. The HW itself generated no Raman scattering or fluorescence noise during transmission. A complex filtering system at the end of the waveguide was thus unnecessary. In addition, the measured Raman spectra showed better signal-to-noise ratios than a conventional Raman fiber probe. The HW’s suitability as a Raman fiber probe was also demonstrated.

© 2005 Optical Society of America

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References

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2005 (1)

2004 (1)

2002 (2)

2001 (1)

2000 (2)

Y. Komachi, M. Wakaki, and G. Kanai, Appl. Opt. 39, 1555 (2000).
[CrossRef]

H. P. Buschman, E. T. Marple, M. L. Wach, B. Bennett, T. C. B. Schut, H. A. Bruining, A. V. Bruschke, A. van der Laarse, and G. J. Puppels, Anal. Chem. 72, 3771 (2000).
[CrossRef] [PubMed]

1997 (1)

1996 (1)

1995 (1)

M. Osawa, Y. Kato, T. Watanabe, M. Miyagi, S. Abe, M. Aizawa, and S. Onodera, Opt. Laser Technol. 27, 393 (1995).
[CrossRef]

1993 (1)

Abe, S.

M. Osawa, Y. Kato, T. Watanabe, M. Miyagi, S. Abe, M. Aizawa, and S. Onodera, Opt. Laser Technol. 27, 393 (1995).
[CrossRef]

Aizawa, K.

Aizawa, M.

M. Osawa, Y. Kato, T. Watanabe, M. Miyagi, S. Abe, M. Aizawa, and S. Onodera, Opt. Laser Technol. 27, 393 (1995).
[CrossRef]

Aminzadeh, A.

Bennett, B.

H. P. Buschman, E. T. Marple, M. L. Wach, B. Bennett, T. C. B. Schut, H. A. Bruining, A. V. Bruschke, A. van der Laarse, and G. J. Puppels, Anal. Chem. 72, 3771 (2000).
[CrossRef] [PubMed]

Bruining, H. A.

H. P. Buschman, E. T. Marple, M. L. Wach, B. Bennett, T. C. B. Schut, H. A. Bruining, A. V. Bruschke, A. van der Laarse, and G. J. Puppels, Anal. Chem. 72, 3771 (2000).
[CrossRef] [PubMed]

Bruschke, A. V.

H. P. Buschman, E. T. Marple, M. L. Wach, B. Bennett, T. C. B. Schut, H. A. Bruining, A. V. Bruschke, A. van der Laarse, and G. J. Puppels, Anal. Chem. 72, 3771 (2000).
[CrossRef] [PubMed]

Buschman, H. P.

H. P. Buschman, E. T. Marple, M. L. Wach, B. Bennett, T. C. B. Schut, H. A. Bruining, A. V. Bruschke, A. van der Laarse, and G. J. Puppels, Anal. Chem. 72, 3771 (2000).
[CrossRef] [PubMed]

Carey, D. M.

Cooney, T. F.

Dasari, R. R.

Fedosejevs, R.

Feld, M. S.

Galindo, L. H.

Gardecki, J. A.

Gopal, V.

Harrington, J. A.

Hunter, M.

Kanai, G.

Kato, Y.

M. Osawa, Y. Kato, T. Watanabe, M. Miyagi, S. Abe, M. Aizawa, and S. Onodera, Opt. Laser Technol. 27, 393 (1995).
[CrossRef]

Komachi, Y.

Kramer, J. R.

Li, Y.

Ma, J.

Marple, E. T.

H. P. Buschman, E. T. Marple, M. L. Wach, B. Bennett, T. C. B. Schut, H. A. Bruining, A. V. Bruschke, A. van der Laarse, and G. J. Puppels, Anal. Chem. 72, 3771 (2000).
[CrossRef] [PubMed]

Miyagi, M.

M. Osawa, Y. Kato, T. Watanabe, M. Miyagi, S. Abe, M. Aizawa, and S. Onodera, Opt. Laser Technol. 27, 393 (1995).
[CrossRef]

Mohebbi, M.

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M. Osawa, Y. Kato, T. Watanabe, M. Miyagi, S. Abe, M. Aizawa, and S. Onodera, Opt. Laser Technol. 27, 393 (1995).
[CrossRef]

Osawa, M.

M. Osawa, Y. Kato, T. Watanabe, M. Miyagi, S. Abe, M. Aizawa, and S. Onodera, Opt. Laser Technol. 27, 393 (1995).
[CrossRef]

Puppels, G. J.

H. P. Buschman, E. T. Marple, M. L. Wach, B. Bennett, T. C. B. Schut, H. A. Bruining, A. V. Bruschke, A. van der Laarse, and G. J. Puppels, Anal. Chem. 72, 3771 (2000).
[CrossRef] [PubMed]

Sato, H.

Schoen, C. L.

Schut, T. C. B.

H. P. Buschman, E. T. Marple, M. L. Wach, B. Bennett, T. C. B. Schut, H. A. Bruining, A. V. Bruschke, A. van der Laarse, and G. J. Puppels, Anal. Chem. 72, 3771 (2000).
[CrossRef] [PubMed]

Sharma, S. K.

Suthonen, J.

Tashiro, H.

van der Laarse, A.

H. P. Buschman, E. T. Marple, M. L. Wach, B. Bennett, T. C. B. Schut, H. A. Bruining, A. V. Bruschke, A. van der Laarse, and G. J. Puppels, Anal. Chem. 72, 3771 (2000).
[CrossRef] [PubMed]

Wach, M. L.

H. P. Buschman, E. T. Marple, M. L. Wach, B. Bennett, T. C. B. Schut, H. A. Bruining, A. V. Bruschke, A. van der Laarse, and G. J. Puppels, Anal. Chem. 72, 3771 (2000).
[CrossRef] [PubMed]

Wada, S.

Wakaki, M.

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M. Osawa, Y. Kato, T. Watanabe, M. Miyagi, S. Abe, M. Aizawa, and S. Onodera, Opt. Laser Technol. 27, 393 (1995).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

Raman spectra of Ca C O 3 obtained with a (a) quartz collecting fiber, (b) straight collecting HW, (c) bent ( R = 300 mm ) collecting HW. The power of the He–Ne laser at the sample was 1.8 mW .

Fig. 2
Fig. 2

Schematic of a Raman scattering measurement system with a single HW.

Fig. 3
Fig. 3

Raman spectra of calcite obtained with (a) 633 nm excitation and ID of 1000 μ m , (b) 750 nm and 1000 μ m , (c) 785 nm and ID 1000 μ m , (d) 750 nm and 700 μ m , (e) with 785 nm and 700 μ m .

Fig. 4
Fig. 4

Signal intensity as a function of distance from the sample to the probe tips for (a) single HW probe and (b) fused silica fiber probe. Two Ti O 2 samples of sizes 0.5 and 10 mm were prepared. Signal intensities at 643 cm 1 are normalized to the peak value. Absolute signal intensities of the 0.5 mm sample drop to approximately 65% compared with those of the 10 mm sample.

Fig. 5
Fig. 5

Raman spectrum of a 50% mixture of Al 2 O 3 and Ti O 2 measured with a single HW with (a) 633 nm , 1.7 mW ; (b) 785 nm , 4.4 mW excitation. The data acquisition time was 180 s .

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