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Heavy water detection using ultra-high-Q microcavities
Abstract
Ultra-high-Q optical microcavities (Q>10(7)) provide one method for distinguishing chemically similar species. Resonators immersed in H(2)O have lower quality factors than those immersed in D(2)O due to the difference in optical absorption. This difference can be used to create a D(2)O detector. This effect is most noticeable at 1,300 nm, where the Q(H(2)O) is 106 and the Q(D(2)O) is 107. By monitoring Q, concentrations of 0.0001% [1 part in 106 per volume] of D(2)O in H(2)O have been detected. This sensitivity represents an order of magnitude improvement over previous techniques. Reversible detection was also demonstrated by cyclic introduction and flushing of D(2)O.
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Cites
Ultra-high-Q toroid microcavity on a chip
Armani, D. K., Kippenberg, T. J., Spillane, S. M., & Vahala, K. J. (2003) · Nature · doi:10.1038/nature01371 · Cited by 2,214
Self-citation
Cited by
On the performance quantification of resonant refractive index sensors
White, I. M., & Fan, X. (2008) · Optics Express · doi:10.1364/oe.16.001020 · Cited by 1,105
Integrated optofluidics: A new river of light
Monat, C., Domachuk, P., & Eggleton, B. J. (2007) · Nature Photonics · doi:10.1038/nphoton.2006.96 · Cited by 955
Single-molecule nucleic acid interactions monitored on a label-free microcavity biosensor platform
Baaske, M. D., Foreman, M. R., & Vollmer, F. (2014) · Nature Nanotechnology · doi:10.1038/nnano.2014.180 · Cited by 559
Label-free biological and chemical sensors
Hunt, H. K., & Armani, A. M. (2010) · Nanoscale · doi:10.1039/c0nr00201a · Cited by 371
Self-citationOptical ring resonators for biochemical and chemical sensing
Sun, Y., & Fan, X. (2011) · Analytical and Bioanalytical Chemistry · doi:10.1007/s00216-010-4237-z · Cited by 355
Metadata
- Authors
- Armani, A. M., & Vahala, K. J.
- Venue
- Optics Letters
- Publisher
- Optica Publishing Group
- Published
- 2006-06-15
- Volume
- 31
- Issue
- 12
- Pages
- 1896
- ISSN
- 0146-9592 (ISSN-L)
- 1539-4794
- OpenAlex
- W2119325823
- Cited by
- 254
- References
- 1
- FWCI
- 18.22
- Type
- journal article
- Language
- en
- Open access
- closed
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