Where to go next

After the introductory tutorials, follow the user guide through a complete measurement or choose the topic that answers your next question.

What you want to do	Read	Explore
Understand what a FROG trace measures	Measurement fundamentals	First retrieval
Prepare a measured or simulated trace	Preparing and checking data	Data preparation examples
Decide which instrument effects to include	Modelling the measurement	Instrument examples
Choose and configure a retrieval	Retrieval and numerical methods	Algorithm comparison
Interpret a retrieved pulse	Interpreting results	Pulse analysis examples
Estimate an uncertainty	Uncertainty	Thickness uncertainty
Repeat or share an analysis	Reproducible workflows	Experimental workflow

The glossary collects terminology and notation. The references provide further reading, and the API documents the Python interfaces. To work on croak itself, start with the developer’s guide.