A buffer-gas trap is a scientific device used primarily in the field of atomic, molecular, and optical physics for trapping and cooling atoms or molecules. It employs a buffer gas, typically an inert gas such as helium or neon, to facilitate the cooling and confinement of target particles like atoms or ions. ### Key Components and Functions 1. **Buffer Gas**: The buffer gas helps in thermalizing and reducing the energy of the trapped particles through collisions.
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