The transmission setup is meant to measure through samples (fluids or solid samples). There are multiple different setups that Avantes offers to measure transmission. Two will be explained because they are the most standard options and will explain the principle of the measurement. The results of a transmission measurement will be shown in percentages. The transmission measurements are relative measurements.
How to steps

The two default transmission measurement setups from Avantes:
- Spectrometer.
- Two separate fibers.
- Light source.
- Cuvette holder.
- Spectrometer.
- Two separate fibers.
- light source.
- Transmission stage.
The cuvette holder and transmission stage with collimating lenses:
