Sensor based on an integrated optical microcavity

by: E Krioukov, DJW Klunder, A Driessen, J Greve, C Otto

Optics Letters, Vol. 27, No. 7. (2002), pp. 512-514.

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Abstract

A novel integrated optical sensor based on a cylindrical microcavity (MC) is proposed. A MC sustains so-called whispering-gallery modes (WGMs), in which the energy of the optical field can be efficiently stored. By monitoring the scattering intensity from the MC, one can detect minute changes in the refractive index of the WGM, for instance, as a result of analyte adsorption. Measurement of a change in refractive index of as little as 10–4 is demonstrated experimentally. The MC-based integrated optical sensor may have a size of approximately 8 µm, and it is rugged and inexpensive. ©2002 Optical Society of America

@article{citeulike:1655130, abstract = {A novel integrated optical sensor based on a cylindrical microcavity (MC) is proposed. A MC sustains so-called whispering-gallery modes (WGMs), in which the energy of the optical field can be efficiently stored. By monitoring the scattering intensity from the MC, one can detect minute changes in the refractive index of the WGM, for instance, as a result of analyte adsorption. Measurement of a change in refractive index of as little as 10\&\#150;4 is demonstrated experimentally. The MC-based integrated optical sensor may have a size of approximately 8 \µm, and it is rugged and inexpensive. \©2002 Optical Society of America}, author = {Krioukov, E. and Klunder, D. J. W. and Driessen, A. and Greve, J. and Otto, C. }, citeulike-article-id = {1655130}, journal = {Optics Letters}, keywords = {biosensor, cavity\_resonator, disk\_resonator, optics, refractive\_index, sensor, silicon\_nitride, silicon\_oxide, waveguide}, number = {7}, pages = {512--514}, posted-at = {2007-09-14 10:02:16}, priority = {2}, publisher = {OSA}, title = {Sensor based on an integrated optical microcavity}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=OPLEDP000027000007000512000001\&idtype=cvips\&gifs=yes}, volume = {27}, year = {2002} }

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TY - JOUR ID - citeulike:1655130 L3 - citeulike-article-id:1655130 TI - Sensor based on an integrated optical microcavity JF - Optics Letters VL - 27 IS - 7 SP - 512 EP - 514 PB - OSA N2 - A novel integrated optical sensor based on a cylindrical microcavity (MC) is proposed. A MC sustains so-called whispering-gallery modes (WGMs), in which the energy of the optical field can be efficiently stored. By monitoring the scattering intensity from the MC, one can detect minute changes in the refractive index of the WGM, for instance, as a result of analyte adsorption. Measurement of a change in refractive index of as little as 104 is demonstrated experimentally. The MC-based integrated optical sensor may have a size of approximately 8 µm, and it is rugged and inexpensive. ©2002 Optical Society of America KW - biosensor KW - cavity_resonator KW - disk_resonator KW - optics KW - refractive_index KW - sensor KW - silicon_nitride KW - silicon_oxide KW - waveguide AU - Krioukov, E AU - Klunder, DJW AU - Driessen, A AU - Greve, J AU - Otto, C PY - 2002/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=OPLEDP000027000007000512000001&idtype=cvips&gifs=yes ER -

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