# The `Test_CRL_Be` Instrument

*McXtrace: Test of a compound refractive lenses*

## Identification

- **Site:** Tests_optics
- **Author:** Antoine Padovani
- **Origin:** SOLEIL
- **Date:** March 2022

## Description

```text
Test of a compound refractive lenses using the Lens_parab component.
```

## Input parameters

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

| Name | Unit | Description | Default |
|------|------|-------------|---------|
| L | m | Position of the detector for the focusing | 14 |

## Links

- [Source code](Test_CRL_Be.instr) for `Test_CRL_Be.instr`.
- https://github.com/antoinepado/Corrections_School_March_2022/tree/master/DAY_2/5_Optics/1_CRLs/Be

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