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Related Concept Videos

Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

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...
Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

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 the...

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Related Experiment Video

Updated: Jun 4, 2026

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis
07:55

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

Published on: September 22, 2017

A continuous wave SrMoO4 Raman laser.

Haohai Yu1, Zhen Li, Andrew J Lee

  • 1State Key Laboratory of Crystal Materials, Shandong University, Jinan, China.

Optics Letters
|February 18, 2011
PubMed
Summary
This summary is machine-generated.

We developed a continuous-wave (cw) Raman laser using Nd:GdVO4 and SrMoO4. This laser achieved efficient near-infrared and yellow light generation, demonstrating SrMoO4

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A Multimodal Wide-Field Fourier-Transform Raman Microscope
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Last Updated: Jun 4, 2026

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Published on: December 30, 2025

Area of Science:

  • Optics and Photonics
  • Materials Science

Background:

  • Continuous-wave (cw) lasers are crucial for various scientific and industrial applications.
  • Developing efficient solid-state Raman lasers requires advanced gain materials.

Purpose of the Study:

  • To demonstrate a novel cw laser-diode-pumped crystalline Raman laser.
  • To evaluate Strontium Molybdate (SrMoO4) as a gain medium for stimulated Raman scattering (SRS).
  • To achieve high-power near-infrared (IR) and yellow laser emissions.

Main Methods:

  • Utilized a Nd:GdVO4 crystal as the primary laser medium.
  • Employed SrMoO4 as the stimulated Raman scattering gain material.
  • Implemented intracavity frequency doubling using Lithium Triborate (LiB3O5) for yellow light generation.

Main Results:

  • Achieved 2.18 W of first Stokes laser output at 1173.5 nm with an 8.7% diode-to-first Stokes efficiency.
  • Generated 3.1 W of cw yellow emission at 586.8 nm via intracavity frequency doubling.
  • Obtained a 12.4% diode-to-yellow efficiency for the frequency-doubled output.

Conclusions:

  • SrMoO4 is a highly effective gain material for high-power cw stimulated Raman scattering lasers.
  • The demonstrated laser system efficiently produces both near-IR and yellow light.
  • This work highlights the potential of SrMoO4 for advanced laser applications.