# The `FZJ_BenchmarkSfin2` Instrument

*McStas: Test instrument for the H Frielinghaus SANS_benchmark2 component.

The below test uses defaults of the instrument (SANS_benchmark2 modnum=11)*

## Identification

- **Site:** FZ_Juelich
- **Author:** Henrich Frielinghaus
- **Origin:** FZ Juelich
- **Date:** 2013

## Description

```text

```

## Input parameters

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

| Name | Unit | Description | Default |
|------|------|-------------|---------|
| lbdmin |  |  | 2.00 |
| lbdmax |  |  | 8.5 |
| NGbend |  |  | 0.053 |
| NGblen |  |  | 0.03 |
| Clen |  |  | 8.0 |
| SampD |  |  | 0.01 |
| bendL |  |  | 5.0 |
| bendR |  |  | 385.0 |
| bendM |  |  | 7.0 |
| bendiM |  |  | 7.0 |
| dfltM |  |  | 1.5 |
| vorPl |  | for two cavities | 0.5 |
| PolLen |  | for two cavities | 0.492 |
| PolTot |  | for two cavities | 2.30 |
| MDOWN |  |  | 3.6 |
| Min |  |  | 1.5 |
| cnum |  | Set to 0.0 for no polarizer as for benchmarking the normal SANS samples, to 2.0 for two cavities, keep default values as much as possible | 0.00 |
| ROT |  |  | 0.0 |
| modnum |  |  | 11.0 |
| sglscatt |  |  | 1.0 |
| incs |  |  | 0.0005 |

## Links

- [Source code](FZJ_BenchmarkSfin2.instr) for `FZJ_BenchmarkSfin2.instr`.

---