# The `Test_Sqw` Instrument

*McXtrace: Test output of Isotropic_Sqw on a spherical monitor.*

## Identification

- **Site:** Tests_samples
- **Author:** E. Farhi
- **Origin:** DTU
- **Date:** Sept 21st 2022

## Description

```text
A test instrument for testing Isotropic_Sqw output on a spherical monitor.
```

## Input parameters

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

| Name | Unit | Description | Default |
|------|------|-------------|---------|
| E0 | keV | Energy emitted from source | 12.0 |
| dE | keV | Energy spread at the source | 1e-6 |
| L1 | m | Source-sample distance | 10 |
| sqw_coh | str | Sqw material definition | "Rb_liq_coh.sqw" |

## Links

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

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