# The `Test_Vertical_Bender` Instrument

*McStas: Quick and dirty test instrument write-up for Vertical_Bender.*

## Identification

- **Site:** Tests_optics
- **Author:** Peter Willendrup
- **Origin:** DTU
- **Date:** January 2023

## Description

```text
Quick and dirty test instrument write-up for Vertical_Bender.
```

## Input parameters

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

| Name | Unit | Description | Default |
|------|------|-------------|---------|
| Lmin | AA | Minimum wavelength from source | 9.9 |
| Lmax | AA | Maximum wavelength from source | 10.1 |
| curvature | m | Radius of curvature of vertical bender | 10000 |
| length | m | Length of vertical bender | 10 |
| xwidth | m | Width of vertical bender | 0.1 |
| yheight | m | Height of vertical bender | 0.1 |
| nchan | 1 | Number of channels in vertical bender | 1 |
| d | m | Channel-spacer width | 0 |

## Links

- [Source code](Test_Vertical_Bender.instr) for `Test_Vertical_Bender.instr`.
- <reference/HTML link>

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