##### 19 November 2021, J. Chrin, M. Leutwyler, E. Prat, T. Schietinger

#### Undulator contribution to the photon energy

## About

Adapted from the Matlab application by E. Prat.

## The Application

# Overall objective

The primary objective is to determine the contribution of each undulator to the integrated photon energy.

## Undulator contribution to the photon energy

When the electrons in the undulators radiate photons, they lose energy. The lost energy corresponds to the energy contained in the photon pulse. This application measures the contribution of individual undulators to the integrated photon energy.

The measurement consists of the following steps:

- 1)
- 2)
- 3)
- 4) Restore the undulators.

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