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  2. Optical tweezers - Wikipedia

    en.wikipedia.org/wiki/Optical_tweezers

    The trap-forming hologram also can specify the mode structure of each trap individually, thereby creating arrays of optical vortices, optical tweezers, and holographic line traps, for example. [55] When implemented with a spatial light modulator , such holographic optical traps also can move objects in three dimensions. [ 56 ]

  3. Radiation trapping - Wikipedia

    en.wikipedia.org/wiki/Radiation_trapping

    Radiation trapping, imprisonment of resonance radiation, radiative transfer of spectral lines, line transfer or radiation diffusion is a phenomenon in physics whereby radiation may be "trapped" in a system as it is emitted by one atom and absorbed by another.

  4. Self-focusing - Wikipedia

    en.wikipedia.org/wiki/Self-focusing

    The self-trapping of incoherent light was also later observed. [39] Self-focusing can also be observed in wide-area beams, wherein the beam undergoes filamentation, or Modulation Instability , spontaneous dividing into a multitude of microscale self-focused beams, or filaments .

  5. Optical lattice - Wikipedia

    en.wikipedia.org/wiki/Optical_lattice

    The trapping mechanism is via the Stark shift, where off-resonant light causes shifts to an atom's internal structure. The effect of the Stark shift is to create a potential proportional to the intensity. The effect of a light field on an atom is to induce an electric dipole moment as a result of the oscillating electric field.

  6. Magneto-optical trap - Wikipedia

    en.wikipedia.org/wiki/Magneto-optical_trap

    At the center of the trap, the magnetic field is zero and atoms are "dark" to incident red-detuned photons. That is, at the center of the trap, the Zeeman shift is zero for all states and so the transition frequency from = = remains unchanged. The detuning of the photons from this frequency means that there will not be an appreciable amount of ...

  7. Optically stimulated luminescence thermochronometry - Wikipedia

    en.wikipedia.org/wiki/Optically_stimulated...

    The schematic illustration show electron trapping and detrapping process at the crystal-scale (A) Typical crystal structure showing crystallographic sites or vacancies (B) Trapping of electron-hole pair as the valence band breaks when it is irradiated by an ionizing source (C) release of light during Electron-hole pair recombination.

  8. Laser cooling - Wikipedia

    en.wikipedia.org/wiki/Laser_cooling

    The MOT transitions from using light at 461 nm to using light at 689 nm to drive the 1 S 0 → 3 P 1, which is a narrow transition, to realize even colder atoms. The atoms are then transferred into an optical dipole trap where evaporative cooling gets them to temperatures where they can be effectively loaded into an optical lattice.

  9. Arthur Ashkin - Wikipedia

    en.wikipedia.org/wiki/Arthur_Ashkin

    Arthur Ashkin (September 2, 1922 – September 21, 2020) was an American scientist and Nobel laureate who worked at Bell Labs.Ashkin has been considered by many as the father of optical tweezers, [1] [2] [3] for which he was awarded the Nobel Prize in Physics 2018 at age 96, becoming the oldest Nobel laureate until 2019 when John B. Goodenough was awarded at 97.

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