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  2. Ion trap - Wikipedia

    en.wikipedia.org/wiki/Ion_trap

    An ion trap, used for precision measurements of radium ions, inside a vacuum chamber. View ports surrounding the chamber allow laser light to be directed into the trap. An ion trap is a combination of electric and/or magnetic fields used to capture charged particles — known as ions — often in a system isolated from an external environment.

  3. Quadrupole ion trap - Wikipedia

    en.wikipedia.org/wiki/Quadrupole_ion_trap

    In experimental physics, a quadrupole ion trap or paul trap is a type of ion trap that uses dynamic electric fields to trap charged particles. They are also called radio frequency (RF) traps or Paul traps in honor of Wolfgang Paul , who invented the device [ 1 ] [ 2 ] and shared the Nobel Prize in Physics in 1989 for this work. [ 3 ]

  4. Linear ion trap - Wikipedia

    en.wikipedia.org/wiki/Linear_ion_trap

    A TOF mass spectrometer can also have a low-duty cycle when coupled with a continuous ion source. Combining an ion trap with a TOF mass analyzer can improve the duty cycle. Both 3D and linear traps have been combined with TOF mass analyzers. A trap can also add MSn capabilities to the system. [1]

  5. Static secondary-ion mass spectrometry - Wikipedia

    en.wikipedia.org/wiki/Static_secondary-ion_mass...

    For SSIMS the primary requirement is low primary ion flux density which results in extremely low secondary ion yield (10 −3 – 10 −8 atoms/cm³). Hence, there is a need to collect almost all the secondary ions. High transmission (0.5–1) of TOF maximizes the sensitivity (10 4 times that of quadrupole MS). Parallel detection together with ...

  6. Hybrid mass spectrometer - Wikipedia

    en.wikipedia.org/wiki/Hybrid_mass_spectrometer

    A sector instrument can be combined with a collision quadrupole and quadrupole mass analyzer to form a hybrid instrument. [1] A BEqQ configuration with a magnetic sector (B), electric sector (E), collision quadrupole (q) and m/z selection quadrupole (Q) have been constructed [2] [3] and an instrument with two electric sectors (BEEQ) has been described.

  7. Direct analysis in real time - Wikipedia

    en.wikipedia.org/wiki/Direct_analysis_in_real_time

    The alignment of the two orifices is staggered to trap neutral contamination and protect the high-vacuum region. Charged species (ions) are guided to the second orifice through an intermediate cylindrical electrode ("ring lens"), but neutral molecules travel in a straight pathway and are thus blocked from entering the ion guide.

  8. TikTok's latest thirst trap trend involves a ring light and ...

    www.aol.com/lifestyle/tiktoks-latest-thirst-trap...

    The challenge uses light and shadow to create a moody aesthetic that highlights every curve and contour of the body. The meme was dubbed the "infinity" challenge because it uses Jaymes Young's ...

  9. Penning trap - Wikipedia

    en.wikipedia.org/wiki/Penning_trap

    A cylindrical version of a Penning trap, with open endcaps to permit axial access. B indicates the magnetic field, and E indicates the electric field used for storage of the particles in the trap centre. A Penning trap is a device for the storage of charged particles using a homogeneous magnetic field and a quadrupole electric field.