Abstract

We demonstrate the use of a large-pitch Kagome-lattice hollow-core photonic crystal fiber probe for Raman spectroscopy. The large transmission bandwidth of the fiber enables both the excitation and Raman beams to be transmitted through the same fiber. As the excitation beam is mainly transmitted through air inside the hollow core, the silica luminescence background is reduced by over 2 orders of magnitude as compared to standard silica fiber probes, removing the need for fiber background subtraction.

© 2012 Optical Society of America

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2011

2010

2006

2005

2004

2003

U. Utzinger and R. R. Richards-Kortum, J. Biomed. Opt. 8, 121 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, and A. M. Zheltikov, Opt. Lett. 28, 1448 (2003).
[CrossRef]

2002

F. Benabid, J. C. Knight, G. Antonopoulos, and P. St. J. Russell, Science 298, 399 (2002).
[CrossRef]

1999

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef]

1996

Addison, C. J.

Aizawa, K.

Allan, D. C.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef]

Antonopoulos, G.

F. Benabid, J. C. Knight, G. Antonopoulos, and P. St. J. Russell, Science 298, 399 (2002).
[CrossRef]

Balu, M.

Benabid, F.

F. Benabid, J. C. Knight, G. Antonopoulos, and P. St. J. Russell, Science 298, 399 (2002).
[CrossRef]

Berto, P.

Billaudeau, C.

Birks, T. A.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef]

Blades, M. W.

Bouwmans, G.

Brustlein, S.

Chen, Z.

Cregan, R. F.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef]

Dasari, R. R.

Fedotov, A. B.

Feld, M. S.

Ferrand, P.

Galindo, L. H.

Gardecki, J. A.

Hostein, R.

Humbert, G.

Hunter, M.

Knight, J.

Knight, J. C.

F. Benabid, J. C. Knight, G. Antonopoulos, and P. St. J. Russell, Science 298, 399 (2002).
[CrossRef]

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef]

Komachi, Y.

Konorov, S. O.

Kramer, J. R.

Li, Y.-S.

Liu, G.

Ma, J.

Mangan, B.

Mangan, B. J.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef]

Marguet, D.

Matsuura, Y.

Miyagi, M.

Motz, J. T.

Muir, A.

Potma, E. O.

Richards-Kortum, R. R.

U. Utzinger and R. R. Richards-Kortum, J. Biomed. Opt. 8, 121 (2003).
[CrossRef]

Rigneault, H.

Roberts, P.

Roberts, P. J.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef]

Russell, P. St. J.

P. St. J. Russell, J. Lightwave Technol. 24, 4729 (2006).
[CrossRef]

G. Humbert, J. Knight, G. Bouwmans, P. St. J. Russell, D. Williams, P. Roberts, and B. Mangan, Opt. Express 12, 1477 (2004).
[CrossRef]

F. Benabid, J. C. Knight, G. Antonopoulos, and P. St. J. Russell, Science 298, 399 (2002).
[CrossRef]

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef]

Sato, H.

Schulze, H. G.

Tashiro, H.

Tromberg, B. J.

Turner, R. F. B.

Utzinger, U.

U. Utzinger and R. R. Richards-Kortum, J. Biomed. Opt. 8, 121 (2003).
[CrossRef]

Williams, D.

Wolfbeis, O. S.

O. S. Wolfbeis, Anal. Chem. 78, 3859 (2006).
[CrossRef]

Zheltikov, A. M.

Anal. Chem.

O. S. Wolfbeis, Anal. Chem. 78, 3859 (2006).
[CrossRef]

Appl. Opt.

J. Biomed. Opt.

U. Utzinger and R. R. Richards-Kortum, J. Biomed. Opt. 8, 121 (2003).
[CrossRef]

J. Lightwave Technol.

Opt. Express

Opt. Lett.

Science

F. Benabid, J. C. Knight, G. Antonopoulos, and P. St. J. Russell, Science 298, 399 (2002).
[CrossRef]

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef]

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Figures (4)

Fig. 1.
Fig. 1.

(a) Scanning electron micrograph of the Kagome-lattice HC-PCF. (b) Transmission losses. (c) Experimental setup.

Fig. 2.
Fig. 2.

Raman spectra of chlorobenzene (red lines) measured (a) with the Kagome-lattice HC-PCF, (b) with a standard commercial silica fiber, and (c) with a confocal microscope. The black lines correspond to the background in the absence of sample. For all cases, the excitation power incident on the sample is 6 mW, the integration time is 10 s. In (b), the blue line displays the Raman spectrum after background subtraction, and is shifted vertically for clarity.

Fig. 3.
Fig. 3.

Raman spectra of (a) toluene and (b) ethanol measured with the Kagome-lattice HC-PCF [same conditions as Fig. 2(a)].

Fig. 4.
Fig. 4.

Image of the fiber output (a) without and (b) with the Raman sample. The scale bar is 100 μm. (c) Luminescence background spectra for increasing pinhole diameters [same conditions as Fig. 2(a)].

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