diff options
Diffstat (limited to 'Docs/source/running_cpp')
| -rw-r--r-- | Docs/source/running_cpp/parameters.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Docs/source/running_cpp/parameters.rst b/Docs/source/running_cpp/parameters.rst index c3759260e..a68a058f5 100644 --- a/Docs/source/running_cpp/parameters.rst +++ b/Docs/source/running_cpp/parameters.rst @@ -717,7 +717,7 @@ Laser initialization * ``<laser_name>.profile_duration`` (`float` ; in seconds) - The duration of the laser, defined as :math:`\tau` below: + The duration of the laser pulse, defined as :math:`\tau` below: - For the ``"gaussian"`` profile: @@ -725,6 +725,8 @@ Laser initialization E(\boldsymbol{x},t) \propto \exp\left( -\frac{(t-t_{peak})^2}{\tau^2} \right) + Note that :math:`\tau` relates to the full width at half maximum (FWHM) of *intensity*, which is closer to pulse length measurements in experiments, as :math:`\tau = \mathrm{FWHM}_I / \sqrt{2\ln(2)}` :math:`\approx \mathrm{FWHM}_I / 1.174`. + - For the ``"harris"`` profile: .. math:: |