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Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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Logarithmic functions are powerful tools for simplifying the mathematical representation of phenomena involving exponential changes. Their ability to convert multiplicative relationships into additive ones is especially valuable in various scientific and engineering contexts. One notable application of logarithms is measuring sound intensity, specifically through the decibel (dB) scale used in acoustics.Sound intensity levels vary over an extensive range, from the faintest audible whisper to...
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Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
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Development of New Therapeutic Applications Using Microfluidics
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Applications of nanolasers.

Ren-Min Ma1,2, Rupert F Oulton3

  • 1State Key Lab for Mesoscopic Physics and School of Physics, Peking University, Beijing, China. renminma@pku.edu.cn.

Nature Nanotechnology
|December 19, 2018
PubMed
Summary

Nanolasers offer compact, efficient coherent light generation at the nanoscale. This review covers their merits and applications in optical interconnects, sensing, and biological probing, highlighting future challenges.

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Area of Science:

  • Photonics and Nanotechnology
  • Quantum Optics

Background:

  • Nanolasers generate coherent light at the nanoscale, offering advantages over conventional lasers.
  • They are increasingly compact, faster, and more power-efficient.
  • These attributes position nanolasers as key tools for emerging applications.

Purpose of the Study:

  • To review the intrinsic merits of nanolasers.
  • To assess recent advancements in nanolaser applications.
  • To identify remaining scientific and engineering challenges.

Main Methods:

  • Review of existing literature on nanolasers.
  • Analysis of nanolaser performance metrics.
  • Assessment of application-specific progress.

Main Results:

  • Nanolasers exhibit significant potential for miniaturization and enhanced performance.
  • Key applications include optical interconnects, spectroscopy, sensing, and biological probing.
  • Near-field eigenmode engineering enables far-field beam synthesis.

Conclusions:

  • Nanolasers are a rapidly developing technology with broad applicability.
  • Further research is needed to overcome scientific and engineering hurdles.
  • Nanolasers are poised to become powerful tools in nanoscience and nanotechnology.