Plasma diagnostics refers to a collection of techniques and methodologies used to measure and analyze various properties and behaviors of plasmas. Plasma, often called the fourth state of matter (alongside solid, liquid, and gas), comprises ionized gases that contain free electrons and ions. Understanding plasmas is crucial for applications ranging from fusion energy research and astrophysics to materials processing and semiconductor manufacturing.
A ball-pen probe, often referred to as a ballpoint probe, is a type of precision tool used in various fields, particularly in electronics and material testing. It consists of a small, rounded tip that resembles the ballpoint of a pen. This design allows for precise contact with surfaces or materials, enabling accurate measurements or assessments. In electronics, ball-pen probes are commonly used for testing and troubleshooting printed circuit boards (PCBs) or other electronic components.
A Faraday cup is a device used in various fields of physics and engineering, particularly in the study of charged particles and electron beams. Named after the scientist Michael Faraday, it serves as a tool for measuring the current of charged particles, such as electrons or ions, by collecting them and allowing for the measurement of the charge. The basic structure of a Faraday cup consists of a conductive cup or chamber that can capture and hold charged particles.
A Langmuir probe is a scientific instrument used to measure the properties of plasma, which is an ionized gas composed of ions, electrons, and neutral particles. The probe is named after Irving Langmuir, an American chemist and physicist who contributed significantly to the field of plasma physics.
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