loaders

Loaders read data and cast it into instances of Measurement.

loaders.qudi

A loader for data from qudi (https://github.com/Ulm-IQO/qudi).

Specifically, data from the laser scanner module can be loaded.

pleasant.loaders.qudi.get_descriptions_in_folder(folder_name)

Get all unique measurements descriptions of the qudi data files in a folder.

Parameters:

folder_name (str) – directory where the data files are located

Return type:

list[str]

Returns:

list of unique descriptions

pleasant.loaders.qudi.load_qudi_folder(folder_name, description_contains='', break_duration=nan)

Load all qudi data files in folder into Measurement objects.

There are four files per measurement pair:

• a _volt_data_raw_trace.dat file containing a 2D matrix of the count rates

  registered during all scans

• a _wl_data_trace.dat file containing the wavemeter readings before

  and after each scan

• retrace versions of the above containing the same data but for scans

  in the opposite spectral direction

Parameters:

• folder_name (str) – directory where the data files are located

• description_contains (str) – filenames that do not contain this string in the description part will be ignored

• break_duration (float) – argument to be passed on to the Measurement object creator

Return type:

list[Measurement]

Returns:

list of Measurement objects