# The `Pump_probe` Instrument

*McXtrace: Design study of a pump and probe type instrument. The sample is an excitable molecule

Instrument short description*

## Identification

- **Site:** DTU
- **Author:** Erik B Knudsen
- **Origin:** DTU Fysik
- **Date:** 2013

## Description

```text
Instrument longer description (type, elements, usage...)
```

## Input parameters

Parameters in **boldface** are required; the others are optional.

| Name | Unit | Description | Default |
|------|------|-------------|---------|
| excitation_prob | 1 | Fraction of the molecules in solution that are excited at t=0. | 0.2 |
| Dt | 1 | Time delay between laser pulse exciting the sample and the x-ray pulse. | 100e-9 |
| PMN | deg. | Minimum scatterign angle to be sampled | 0 |
| PMX | deg. | Maximum scattering angle to be sampled | 45 |

## Links

- [Source code](Pump_probe.instr) for `Pump_probe.instr`.

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