Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Ion detection with photonic crystal microcavities.

S Chakravarty1, J Topol'ancik, P Bhattacharya

  • 1Solid State Electronics Laboratory, Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109-2122, USA. chakrast@eecs.umich.edu

Optics Letters
|October 8, 2005
PubMed
Summary

We developed a new optical sensor using photonic crystal microcavities and quantum dots to detect changes in calcium cation and perchlorate anion concentrations. This technology offers sensitive, submicrometer detection for ions in solution.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Novel high-stopping power scintillators for medical applications.

Proceedings of SPIE--the International Society for Optical Engineering·2024
Same author

Health-related quality of life in patients with CLDN18.2-positive, locally advanced unresectable or metastatic gastric or gastroesophageal junction adenocarcinoma: results from the SPOTLIGHT and GLOW clinical trials.

ESMO open·2024
Same author

Research Note: Effect of dietary xylo-oligosaccharide on growth performance, intestinal histomorphology, and specific cecal bacteria in broiler chickens.

Poultry science·2023
Same author

Hypertriton Production in p-Pb Collisions at sqrt[s_{NN}]=5.02  TeV.

Physical review letters·2022
Same author

Polarization of Λ and Λ[over ¯] Hyperons along the Beam Direction in Pb-Pb Collisions at sqrt[s]_{NN}=5.02  TeV.

Physical review letters·2022
Same author

Measurement of the Groomed Jet Radius and Momentum Splitting Fraction in pp and Pb-Pb Collisions at sqrt[s_{NN}]=5.02  TeV.

Physical review letters·2022

Area of Science:

  • Materials Science
  • Nanotechnology
  • Analytical Chemistry

Background:

  • Photonic crystal microcavities offer unique optical properties for sensing applications.
  • Quantum dots provide efficient light emission for signal transduction.
  • Developing sensitive and selective ion sensors is crucial for environmental and biomedical monitoring.

Purpose of the Study:

  • To demonstrate a novel cation and anion sensor.
  • To utilize short linear photonic crystal microcavities with quantum dots for ion detection.
  • To achieve submicrometer optical detection of specific ion concentrations.

Main Methods:

  • Fabrication of short linear photonic crystal microcavities.
  • Integration of a quantum dot active region within the microcavities.

Related Experiment Videos

  • Coating the microcavities with ion-selective polymers.
  • Experimental measurement of optical responses to varying ion concentrations.

    • Main Results:

    • The sensor demonstrated sensitivity to changes in perchlorate anion (ClO4(-)) concentrations.
    • The sensor showed sensitivity to changes in calcium cation (Ca2+) concentrations.
    • The submicrometer optical detection system achieved sensitive measurements.

    Conclusions:

    • Short linear photonic crystal microcavities with embedded quantum dots can function as effective ion sensors.
    • The developed sensor system is capable of detecting specific anions and cations.
    • This technology presents a promising approach for sensitive optical ion detection.