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Related Concept Videos

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview01:02

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material,  molecules absorb light depending on the energy required for electronic transitions. As a result...
UV–Vis Spectrometers01:14

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The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell. Samples for...

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Related Experiment Video

Updated: Jun 15, 2026

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers
09:49

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Published on: October 23, 2018

Ultraviolet laser excitation source.

J H Lee, D R McFarland, F Hohl

    Applied Optics
    |March 18, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A novel intense ultraviolet light source using hypocycloidal pinch (HCP) devices was developed. This new source efficiently powers lasers, offering a durable alternative to traditional xenon flashlamps.

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    Area of Science:

    • Plasma physics
    • Laser technology
    • High-intensity light sources

    Background:

    • Conventional xenon flashlamps have limitations in power handling and lifespan.
    • Dense, high-temperature plasmas are crucial for efficient light generation.

    Purpose of the Study:

    • To develop a new intense ultraviolet light source.
    • To evaluate its performance in pumping specific types of lasers.

    Main Methods:

    • Construction of an array of hypocycloidal pinch (HCP) devices with disk electrodes.
    • Operation with high-pressure Ar and Xe gas mixtures.
    • Testing the light source's capability to pump iodine and xenon lasers.

    Main Results:

    • Achieved dense plasmas at temperatures up to 10,000,000 K.
    • Produced over 100 MW of near-UV light output.
    • Successfully pumped an iodine photodissociation laser (1.315 µm) and a xenon recombination laser (2.027 µm).

    Conclusions:

    • The HCP array offers a robust and high-power ultraviolet light source.
    • Demonstrated efficient laser pumping capabilities, highlighting its potential applications.
    • Presents a viable alternative to conventional high-intensity light sources for laser excitation.