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Related Concept Videos

Mass Analyzers: Common Types01:19

Mass Analyzers: Common Types

The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...

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Related Experiment Video

Updated: Jun 23, 2026

Optical Trap Loading of Dielectric Microparticles In Air
08:57

Optical Trap Loading of Dielectric Microparticles In Air

Published on: February 5, 2017

A magneto-optical trap loaded from a pyramidal funnel.

R Williamson, P Voytas, R Newell

    Optics Express
    |April 22, 2009
    PubMed
    Summary

    We efficiently transferred potassium-39 and potassium-40 atoms from a magneto-optical funnel to a magneto-optical trap using a simple scheme. This method achieves high loading rates with minimal unwanted hot atoms.

    Area of Science:

    • Atomic Physics
    • Quantum Optics
    • Laser Cooling

    Background:

    • Magneto-optical funnels (MOFs) are used for initial atom collection.
    • Magneto-optical traps (MOTs) are standard for trapping and cooling atoms.
    • Efficiently transferring atoms between these devices is crucial for advanced experiments.

    Purpose of the Study:

    • To demonstrate a simple method for transferring neutral atoms from a MOF to a MOT.
    • To achieve high loading rates in the MOT with minimal contamination.
    • To assess the efficiency of this transfer scheme.

    Main Methods:

    • Utilized a hollow pyramidal mirror as a magneto-optical funnel.
    • Transferred 39K and 40K atoms through a low conductance aperture.
    • Captured transferred atoms in a conventional magneto-optical trap located 35 cm away.

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    Construction of a High Resolution Microscope with Conventional and Holographic Optical Trapping Capabilities
    09:12

    Construction of a High Resolution Microscope with Conventional and Holographic Optical Trapping Capabilities

    Published on: April 22, 2013

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    Last Updated: Jun 23, 2026

    Optical Trap Loading of Dielectric Microparticles In Air
    08:57

    Optical Trap Loading of Dielectric Microparticles In Air

    Published on: February 5, 2017

    Construction of a High Resolution Microscope with Conventional and Holographic Optical Trapping Capabilities
    09:12

    Construction of a High Resolution Microscope with Conventional and Holographic Optical Trapping Capabilities

    Published on: April 22, 2013

    Main Results:

    • Successfully transferred potassium-39 and potassium-40 atoms.
    • Achieved an approximate transfer efficiency of six percent.
    • Demonstrated transfer over a distance of 35 cm.

    Conclusions:

    • The presented simple scheme enables efficient atom transfer.
    • This technique is suitable for experiments needing high MOT loading rates.
    • The method minimizes contamination from hot, untrapped atoms, improving experimental precision.