Abstract

Simultaneous assessment of the spectroscopic absorption signal of gas enclosed in a scattering medium and the corresponding optical path length of the probing light is demonstrated using a single setup. Sensitive gas absorption measurements are performed by a tunable diode laser using wavelength-modulation spectroscopy, while the path length is evaluated by the frequency-modulated cw technique commonly used in the field of telecommunication. Proof-of-principle measurements are demonstrated with water vapor as the absorbing gas and using polystyrene foam as an inhomogeneously scattering medium. The combination of these techniques opens up new possibilities for straightforward evaluation of gas presence and exchange in scattering media.

© 2011 Optical Society of America

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References

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2009 (1)

2008 (4)

L. Persson, M. Lewander, M. Andersson, K. Svanberg, and S. Svanberg, Appl. Opt. 47, 2028 (2008).
[CrossRef] [PubMed]

T. Svensson, M. Andersson, l. Rippe, S. Svanberg, S. Andersson-Engels, J. Johansson, and S. Folestad, Appl. Phys. B 90, 345 (2008).
[CrossRef]

M. Lewander, Z. G. Guan, L. Persson, A. Olsson, and S. Svanberg, Appl. Phys. B 93, 619 (2008).
[CrossRef]

M. Jiang, D. R. Chen, and S. L. He, IEEE Photon. Technol. Lett. 20, 1962 (2008).
[CrossRef]

2006 (2)

L. Persson, H. Gao, M. Sjöholm, and S. Svanberg, Opt. Lasers Eng. 44, 687 (2006).
[CrossRef]

M. Andersson, L. Persson, M. Sjöholm, and S. Svanberg, Opt. Express 14, 3641 (2006).
[CrossRef] [PubMed]

2005 (1)

J. Zheng, in Optical Frequency-Modulated Continuous-Wave (FMCW) Interferometry, W.T.Rhodes, ed. (Springer, 2005), pp. 20–24.

2003 (2)

K. S. Song and E. C. Jung, Appl. Spectrosc. Rev. 38, 395 (2003).
[CrossRef]

S. Schilt, L. Thevenaz, and P. Robert, Appl. Opt. 42, 6728(2003).
[CrossRef] [PubMed]

2002 (1)

2001 (1)

2000 (1)

1993 (1)

U. Glombitza and E. Brinkmeyer, J. Lightwave Technol. 11, 1377 (1993).
[CrossRef]

Alnis, J.

Andersson, M.

Andersson-Engels, S.

Brinkmeyer, E.

U. Glombitza and E. Brinkmeyer, J. Lightwave Technol. 11, 1377 (1993).
[CrossRef]

Chen, D. R.

M. Jiang, D. R. Chen, and S. L. He, IEEE Photon. Technol. Lett. 20, 1962 (2008).
[CrossRef]

Folestad, S.

T. Svensson, M. Andersson, l. Rippe, S. Svanberg, S. Andersson-Engels, J. Johansson, and S. Folestad, Appl. Phys. B 90, 345 (2008).
[CrossRef]

Gao, H.

L. Persson, H. Gao, M. Sjöholm, and S. Svanberg, Opt. Lasers Eng. 44, 687 (2006).
[CrossRef]

Glombitza, U.

U. Glombitza and E. Brinkmeyer, J. Lightwave Technol. 11, 1377 (1993).
[CrossRef]

Guan, Z. G.

Z. G. Guan, P. Lundin, and S. Svanberg, Opt. Express 17, 16291 (2009).
[CrossRef] [PubMed]

M. Lewander, Z. G. Guan, L. Persson, A. Olsson, and S. Svanberg, Appl. Phys. B 93, 619 (2008).
[CrossRef]

He, S. L.

M. Jiang, D. R. Chen, and S. L. He, IEEE Photon. Technol. Lett. 20, 1962 (2008).
[CrossRef]

Jiang, M.

M. Jiang, D. R. Chen, and S. L. He, IEEE Photon. Technol. Lett. 20, 1962 (2008).
[CrossRef]

Johansson, J.

T. Svensson, M. Andersson, l. Rippe, S. Svanberg, S. Andersson-Engels, J. Johansson, and S. Folestad, Appl. Phys. B 90, 345 (2008).
[CrossRef]

Jung, E. C.

K. S. Song and E. C. Jung, Appl. Spectrosc. Rev. 38, 395 (2003).
[CrossRef]

Klinteberg, C. af

Lewander, M.

M. Lewander, Z. G. Guan, L. Persson, A. Olsson, and S. Svanberg, Appl. Phys. B 93, 619 (2008).
[CrossRef]

L. Persson, M. Lewander, M. Andersson, K. Svanberg, and S. Svanberg, Appl. Opt. 47, 2028 (2008).
[CrossRef] [PubMed]

Lundin, P.

Olsson, A.

M. Lewander, Z. G. Guan, L. Persson, A. Olsson, and S. Svanberg, Appl. Phys. B 93, 619 (2008).
[CrossRef]

Persson, L.

M. Lewander, Z. G. Guan, L. Persson, A. Olsson, and S. Svanberg, Appl. Phys. B 93, 619 (2008).
[CrossRef]

L. Persson, M. Lewander, M. Andersson, K. Svanberg, and S. Svanberg, Appl. Opt. 47, 2028 (2008).
[CrossRef] [PubMed]

L. Persson, H. Gao, M. Sjöholm, and S. Svanberg, Opt. Lasers Eng. 44, 687 (2006).
[CrossRef]

M. Andersson, L. Persson, M. Sjöholm, and S. Svanberg, Opt. Express 14, 3641 (2006).
[CrossRef] [PubMed]

Rippe, l.

T. Svensson, M. Andersson, l. Rippe, S. Svanberg, S. Andersson-Engels, J. Johansson, and S. Folestad, Appl. Phys. B 90, 345 (2008).
[CrossRef]

Robert, P.

Schilt, S.

Sjöholm, M.

Somesfalean, G.

Song, K. S.

K. S. Song and E. C. Jung, Appl. Spectrosc. Rev. 38, 395 (2003).
[CrossRef]

Stewart, G.

Svanberg, K.

Svanberg, S.

Svensson, T.

T. Svensson, M. Andersson, l. Rippe, S. Svanberg, S. Andersson-Engels, J. Johansson, and S. Folestad, Appl. Phys. B 90, 345 (2008).
[CrossRef]

Thevenaz, L.

Zavrsnik, M.

Zheng, J.

J. Zheng, in Optical Frequency-Modulated Continuous-Wave (FMCW) Interferometry, W.T.Rhodes, ed. (Springer, 2005), pp. 20–24.

Appl. Opt. (3)

Appl. Phys. B (2)

T. Svensson, M. Andersson, l. Rippe, S. Svanberg, S. Andersson-Engels, J. Johansson, and S. Folestad, Appl. Phys. B 90, 345 (2008).
[CrossRef]

M. Lewander, Z. G. Guan, L. Persson, A. Olsson, and S. Svanberg, Appl. Phys. B 93, 619 (2008).
[CrossRef]

Appl. Spectrosc. Rev. (1)

K. S. Song and E. C. Jung, Appl. Spectrosc. Rev. 38, 395 (2003).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

M. Jiang, D. R. Chen, and S. L. He, IEEE Photon. Technol. Lett. 20, 1962 (2008).
[CrossRef]

J. Lightwave Technol. (2)

M. Zavrsnik and G. Stewart, J. Lightwave Technol. 18, 57 (2000).
[CrossRef]

U. Glombitza and E. Brinkmeyer, J. Lightwave Technol. 11, 1377 (1993).
[CrossRef]

Opt. Express (2)

Opt. Lasers Eng. (1)

L. Persson, H. Gao, M. Sjöholm, and S. Svanberg, Opt. Lasers Eng. 44, 687 (2006).
[CrossRef]

Opt. Lett. (1)

Other (1)

J. Zheng, in Optical Frequency-Modulated Continuous-Wave (FMCW) Interferometry, W.T.Rhodes, ed. (Springer, 2005), pp. 20–24.

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Figures (3)

Fig. 1
Fig. 1

Scheme of path-length measurements using the FMCW technique.

Fig. 2
Fig. 2

Experimental setup. PD I, Photodiode I; PD II, photodiode II; BS, beam splitter; GND, ground; PH, pinhole; mod, modulation input; I, current driver input; T, temperature driver input; Ref., reference signal for the lock-in amplifiers.

Fig. 3
Fig. 3

Experimental results: (a) mean frequency, quadratic fit of the mean frequency, and the absorption signal versus sample thicknesses; (b) mean optical path lengths calculated from the gas absorption and the mean beat frequency.

Equations (1)

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f b = Δ ν OPD / c T m ,

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