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Sensitivity of grating couplers as integrated-optical chemical sensors
Abstract
Grating couplers on planar waveguides can be used as integrated-optical sensors responding to (1) changes in the refractive index of a liquid sample covering the waveguide (differential refractometer) and (2) the adsorption and desorption, respectively, of molecules out of a gaseous or liquid sample on the waveguide (gas or chemical sensor). A theory of the sensor sensitivities is developed; conditions for the waveguide parameters in order to obtain high sensitivities are derived. It is shown that effects (1) and (2) can be distinguished by measurements of the effective index changes of both the TE0 and the TM0 modes. In the analysis both nonporous and microporous waveguiding films are considered.
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Cited by
Bogaerts, W., De Heyn, P., Van Vaerenbergh, T., De Vos, K., Kumar Selvaraja, S., Claes, T., Dumon, P., Bienstman, P., Van Thourhout, D., & Baets, R. (2012) · Laser & Photonics Reviews · doi:10.1002/lpor.201100017 · Cited by 2,643
Micromechanical cantilever-based biosensors
Raiteri, R., Grattarola, M., Butt, H.-J., & Skládal, P. (2001) · Sensors and Actuators B: Chemical · doi:10.1016/s0925-4005(01)00856-5 · Cited by 734
Richert, L., Boulmedais, F., Lavalle, P., Mutterer, J., Ferreux, E., Decher, G., Schaaf, P., Voegel, J.-C., & Picart, C. (2004) · Biomacromolecules · doi:10.1021/bm0342281 · Cited by 437
Integrated planar optical waveguide interferometer biosensors: A comparative review
Kozma, P., Kehl, F., Ehrentreich-Förster, E., Stamm, C., & Bier, F. F. (2014) · Biosensors and Bioelectronics · doi:10.1016/j.bios.2014.02.049 · Cited by 324
Metadata
- Authors
- Tiefenthaler, K., & Lukosz, W.
- Venue
- Journal of the Optical Society of America B
- Publisher
- Optica Publishing Group
- Published
- 1989-02-01
- Volume
- 6
- Issue
- 2
- Pages
- 209
- ISSN
- 0740-3224 (ISSN-L)
- 1520-8540
- OpenAlex
- W1968201620
- Cited by
- 620
- References
- 0
- FWCI
- 6.59
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tiefenthaler, K., & Lukosz, W. (1989). Sensitivity of grating couplers as integrated-optical chemical sensors. Journal of the Optical Society of America B. https://doi.org/10.1364/josab.6.000209
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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