def first_mode_hop_time(self):
"""
Gets the date and time of the first mode hop
:return: The datetime of the first mode hop for the specified laser
:type: `datetime`
"""
# if the mode has not hopped, the device will respond with an empty
# date string. This causes a problem with ctdate.
if not self.mode_hop:
raise RuntimeError("Mode hop not detected")
response = self.parent.reference(self.name + ":charm:reg:first-mh")
return ctdate(response)
def latest_mode_hop_time(self):
"""
Gets the date and time of the latest mode hop
:return: The datetime of the latest mode hop for the
specified laser
:type: `datetime`
"""
# if the mode has not hopped, the device will respond with an empty
# date string. This causes a problem with ctdate.
if not self.mode_hop:
raise RuntimeError("Mode hop not detected")
response = self.parent.reference(self.name + ":charm:reg:latest-mh")
return ctdate(response)
def lock_start(self):
"""
Gets the date and time of the start of mode-locking
:return: The datetime of start of mode-locking for specified laser
:type: `datetime`
"""
# if mode locking has not started yet, the device will respond with
# an empty date string. This causes a problem with ctdate.
_corr_stat = self.correction_status
if _corr_stat == TopMode.CharmStatus.un_initialized \
or _corr_stat == TopMode.CharmStatus.failure:
raise RuntimeError("Laser has not yet successfully locked")
response = self.parent.reference(self.name + ":charm:reg:started")
return ctdate(response)
def lock_start(self):
"""
Gets the date and time of the start of mode-locking
:return: The datetime of start of mode-locking for specified laser
:type: `datetime`
"""
# if mode locking has not started yet, the device will respond with
# an empty date string. This causes a problem with ctdate.
_corr_stat = self.correction_status
if _corr_stat == TopMode.CharmStatus.un_initialized \
or _corr_stat == TopMode.CharmStatus.failure:
raise RuntimeError("Laser has not yet successfully locked")
response = self.parent.reference(self.name + ":charm:reg:started")
return ctdate(response)