Abstract

A new approach for developing optochemical absorbance sensors is presented. The method is based on a planar micro-optic circuit in which an optochemically active membrane that responds to selective compounds is deposited in the device, yielding a part of the guiding planar structure. In this way the optical field is confined in the direction transverse to the substrate and controlled in the lateral direction by means of planar micro-optics components. High sensitivity of the device can be easily obtained because of the relatively long light paths through the membrane, and the response time is low because the analyte has to diffuse through a several-micrometer-thin membrane. Experimental results of measurements of the concentration of potassium are also presented to verify the possibilities of these devices as specific absorbance sensors.

© 1998 Optical Society of America

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References

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  1. L. Yang and S. Saavedra, Anal. Chem. 67, 1307 (1995).
    [CrossRef]
  2. E. Bakker, M. Lerchi, T. Rosatzin, B. Rusterholz, and W. Simon, Anal. Chim. Acta 278, 211 (1993).
    [CrossRef]
  3. U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
    [CrossRef]
  4. M. A. Duguay, Y. Kokubun, T. L. Koch, and L. Pfeiffer, Appl. Phys. Lett. 49, 13 (1986).
    [CrossRef]
  5. I. Garcés, F. Villuendas, J. Vallés, C. Domínguez, and M. Moreno, IEEE J. Lightwave Technol. 14, 798 (1996).
    [CrossRef]

1996 (1)

I. Garcés, F. Villuendas, J. Vallés, C. Domínguez, and M. Moreno, IEEE J. Lightwave Technol. 14, 798 (1996).
[CrossRef]

1995 (1)

L. Yang and S. Saavedra, Anal. Chem. 67, 1307 (1995).
[CrossRef]

1993 (2)

E. Bakker, M. Lerchi, T. Rosatzin, B. Rusterholz, and W. Simon, Anal. Chim. Acta 278, 211 (1993).
[CrossRef]

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

1986 (1)

M. A. Duguay, Y. Kokubun, T. L. Koch, and L. Pfeiffer, Appl. Phys. Lett. 49, 13 (1986).
[CrossRef]

Bakker, E.

E. Bakker, M. Lerchi, T. Rosatzin, B. Rusterholz, and W. Simon, Anal. Chim. Acta 278, 211 (1993).
[CrossRef]

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

Buhlmann, P.

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

Domínguez, C.

I. Garcés, F. Villuendas, J. Vallés, C. Domínguez, and M. Moreno, IEEE J. Lightwave Technol. 14, 798 (1996).
[CrossRef]

Duguay, M. A.

M. A. Duguay, Y. Kokubun, T. L. Koch, and L. Pfeiffer, Appl. Phys. Lett. 49, 13 (1986).
[CrossRef]

Garcés, I.

I. Garcés, F. Villuendas, J. Vallés, C. Domínguez, and M. Moreno, IEEE J. Lightwave Technol. 14, 798 (1996).
[CrossRef]

Haug, J.

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

Koch, T. L.

M. A. Duguay, Y. Kokubun, T. L. Koch, and L. Pfeiffer, Appl. Phys. Lett. 49, 13 (1986).
[CrossRef]

Kokubun, Y.

M. A. Duguay, Y. Kokubun, T. L. Koch, and L. Pfeiffer, Appl. Phys. Lett. 49, 13 (1986).
[CrossRef]

Kuratli, M.

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

Lerchi, M.

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

E. Bakker, M. Lerchi, T. Rosatzin, B. Rusterholz, and W. Simon, Anal. Chim. Acta 278, 211 (1993).
[CrossRef]

Moreno, M.

I. Garcés, F. Villuendas, J. Vallés, C. Domínguez, and M. Moreno, IEEE J. Lightwave Technol. 14, 798 (1996).
[CrossRef]

Ozawa, S.

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

Pfeiffer, L.

M. A. Duguay, Y. Kokubun, T. L. Koch, and L. Pfeiffer, Appl. Phys. Lett. 49, 13 (1986).
[CrossRef]

Rosatzin, T.

E. Bakker, M. Lerchi, T. Rosatzin, B. Rusterholz, and W. Simon, Anal. Chim. Acta 278, 211 (1993).
[CrossRef]

Rusterholz, B.

E. Bakker, M. Lerchi, T. Rosatzin, B. Rusterholz, and W. Simon, Anal. Chim. Acta 278, 211 (1993).
[CrossRef]

Saavedra, S.

L. Yang and S. Saavedra, Anal. Chem. 67, 1307 (1995).
[CrossRef]

Simon, W.

E. Bakker, M. Lerchi, T. Rosatzin, B. Rusterholz, and W. Simon, Anal. Chim. Acta 278, 211 (1993).
[CrossRef]

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

Spichiger, U.

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

Vallés, J.

I. Garcés, F. Villuendas, J. Vallés, C. Domínguez, and M. Moreno, IEEE J. Lightwave Technol. 14, 798 (1996).
[CrossRef]

Villuendas, F.

I. Garcés, F. Villuendas, J. Vallés, C. Domínguez, and M. Moreno, IEEE J. Lightwave Technol. 14, 798 (1996).
[CrossRef]

West, S.

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

Yang, L.

L. Yang and S. Saavedra, Anal. Chem. 67, 1307 (1995).
[CrossRef]

Anal. Chem. (1)

L. Yang and S. Saavedra, Anal. Chem. 67, 1307 (1995).
[CrossRef]

Anal. Chim. Acta (1)

E. Bakker, M. Lerchi, T. Rosatzin, B. Rusterholz, and W. Simon, Anal. Chim. Acta 278, 211 (1993).
[CrossRef]

Appl. Phys. Lett. (1)

M. A. Duguay, Y. Kokubun, T. L. Koch, and L. Pfeiffer, Appl. Phys. Lett. 49, 13 (1986).
[CrossRef]

IEEE J. Lightwave Technol. (1)

I. Garcés, F. Villuendas, J. Vallés, C. Domínguez, and M. Moreno, IEEE J. Lightwave Technol. 14, 798 (1996).
[CrossRef]

Sensors Actuators B (1)

U. Spichiger, W. Simon, E. Bakker, M. Lerchi, P. Buhlmann, J. Haug, M. Kuratli, S. Ozawa, and S. West, Sensors Actuators B 11, 1 (1993).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Configuration of the proposed micro-optical planar sensor structure, including the input optical fiber, excitation waveguide, membrane region, and detection waveguide.

Fig. 2
Fig. 2

Photographs of the fabricated sensor: a, upper view of the waveguides and the free propagation region; b, front view of the waveguides.

Fig. 3
Fig. 3

Experimental attenuation response of a 1-cm-long rib ARROW waveguide as a function of wavelength for both TE and TM polarizations.

Fig. 4
Fig. 4

Measured response of the sensor for several concentrations of potassium.

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