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Related Concept Videos

Light as Energy01:35

Light as Energy

The energy required to carry out photosynthesis is light— typically electromagnetic radiation from the sun. The range of all possible wavelengths is known as the electromagnetic spectrum.
Photons
A photon is a discrete electromagnetic particle or bundle of energy. Photons are characterized by their frequency, wavelength, and amplitude, similar to the properties of a wave. Waves with higher frequencies transmit more energy and have shorter wavelengths than longer wavelengths that transmit less...
The Wave Nature of Light02:12

The Wave Nature of Light

The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
Photoelectric Effect02:26

Photoelectric Effect

When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...
Emission Spectra02:39

Emission Spectra

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Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
Photoluminescence: Applications01:14

Photoluminescence: Applications

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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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Light People: Professor Fan Wang.

Siqiu Guo1

  • 1Light Publishing Group, Changchun Institute of Optics, Fine, Mechanics and Physics, Chinese Academy of Sciences, Changchun, China. guosq@ciomp.ac.cn.

Light, Science & Applications
|September 1, 2023
PubMed
Summary
This summary is machine-generated.

Professor Fan Wang is a distinguished young scientist driving advancements in optoelectronics, biophotonics, and nanomaterials through dedicated research and academic engagement.

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Area of Science:

  • Optoelectronics
  • Biophotonics
  • Nanomaterials

Background:

  • Professor Fan Wang is recognized for his profound thinking and broad perspective.
  • He is known for his passion for academia and pursuit of knowledge.

Purpose of the Study:

  • To highlight the contributions and characteristics of Professor Fan Wang as a leading young scientist.
  • To showcase his dedication to overcoming research challenges in emerging scientific fields.

Main Methods:

  • Engagement in various academic activities.
  • Focus on cutting-edge technological issues.
  • Dedication to research challenges.

Main Results:

  • Driving advancements and developments in optoelectronics, biophotonics, and nanomaterials.
  • Inspiring through his multifaceted approach to complex issues.

Conclusions:

  • Professor Fan Wang exemplifies a blend of scientific talent, intellectual depth, and personal integrity.
  • His work significantly contributes to the progress of optoelectronics, biophotonics, and nanomaterials.