Synchrotron

What is a synchrotron?

A Synchrotron is a cyclotron wherein the strength of the magnetic field increases with the energy of particles to maintain their orbital radius constant. It’s an incredibly powerful source of X-rays. These are generated by high electrons moving in a large circle of the synchrotron.

The whole world of synchrotron science is based on a physical phenomenon, i.e., a moving electron changes its direction emits energy. As the electron moves fast enough, the energy emitted is of X-ray wavelength.

How does synchrotron work?

A synchrotron machine accelerates electrons at extremely high energy and then makes them change direction periodically. The resulting X-rays are emitted in dozens of thin beams, each directed towards a beamline next to the accelerator. The machine operates with periodic short and long shutdowns day and night.

Principal Structures of Synchrotron

Principal Structures of Synchrotron

Principal Structures of Synchrotron

Storage Ring

The circumference of the storage ring is 844 meters where the electrons circle for hours. Very low pressure is maintained in the tube (around 10-9 mbar). As the electrons keep moving around the ring, they pass through different types of magnets and produce X-rays.

Booster synchrotron

It is a 300-meter long pre-accelerator. Here the electrons are accelerated by the energy of 6 billion electron-volts before being injected into the storage ring. The booster synchrotron works only a few times a day for a few minutes when the storage ring is refilled.

Linac

The electrons for the storage ring are produced here in an electric gun, a device similar to the cathode ray tubes found in computer screens.

Beamlines

The electrons that emit X-ray beams are directed towards beamlines that surround the storage ring. Each beamline is designed with a particular technique of research. Experiments over here run throughout the day and night.

Learn the basics of electromagnetism in this video. The video also covers the Right hand thumb rule which is used to find the direction of current or magnetic field if one is known.

Frequently Asked Questions – FAQs

Q1

What is a synchrotron?

A Synchrotron is a cyclotron wherein the strength of the magnetic field increases with the energy of particles to maintain their orbital radius constant. It’s an incredibly powerful source of X-rays. These are generated by high electrons moving in a large circle of the synchrotron.
Q2

How does a synchrotron work?

A synchrotron machine accelerates electrons at extremely high energy and then makes them change direction periodically. The resulting X-rays are emitted in dozens of thin beams, each directed towards a beamline next to the accelerator. The machine operates with periodic short and long shutdowns day and night.
Q3

What are X-rays?

We can define X-Rays or X-radiation as a form of electromagnetic radiation. They are powerful waves of electromagnetic energy. Most of them have a wavelength ranging from 0.01 to 10 nanometres, corresponding to frequencies in the range 30 petahertz to 30 exahertz and energies in the range 100 eV to 100 keV.
Q4

WHo invented the X-rays?

German physicist Wilhelm Röntgen is typically credited for the discovery of X-Rays in 1895 because he was the first to comprehensively study them, though he is not thought to be the first to have seen and perceived their effects.
Q5

What is a magnet?

An object which is capable of producing magnetic fields and attracting unlike poles and repelling like poles.
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