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Related Concept Videos

Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

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The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and...
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Raman Spectroscopy Instrumentation: Overview01:26

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A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
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Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

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Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
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Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy
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Biological imaging with coherent Raman scattering microscopy: a tutorial.

Alba Alfonso-García1, Richa Mittal1, Eun Seong Lee2

  • 1University of California, Beckman Laser Institute, Irvine, California 92697.

Journal of Biomedical Optics
|March 12, 2014
PubMed
Summary
This summary is machine-generated.

Coherent Raman scattering (CRS) microscopy is a label-free imaging technique for biological research. Understanding its principles and technical merits enhances its optimal use in various applications.

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Area of Science:

  • Biomedical Optics
  • Microscopy
  • Spectroscopy

Background:

  • Coherent Raman scattering (CRS) microscopy is an emerging label-free imaging modality.
  • Its adoption in biological research is increasing due to its unique capabilities.
  • A fundamental understanding is crucial for effective utilization.

Purpose of the Study:

  • To provide a tutorial on Coherent Raman scattering (CRS) microscopy.
  • To explain the underlying physical principles of CRS microscopy.
  • To detail the technical merits and applicability of CRS for biological research.

Main Methods:

  • Qualitative explanations of CRS principles.
  • Discussion of technical aspects of CRS microscopes.
  • Overview of applications in biological imaging.

Main Results:

  • The tutorial elucidates the fundamental physics of CRS.
  • It highlights the advantages of CRS as a nonlinear optical imaging technique.
  • It demonstrates the broad applicability of CRS in life sciences.

Conclusions:

  • Coherent Raman scattering (CRS) microscopy is a powerful label-free tool for biological imaging.
  • Knowledge of its principles and technical features optimizes its application.
  • CRS microscopy offers significant potential for advancing biological research.