Ocean Optics ElliCalc - Manual (Page 35)

Ocean Optics Germany GmbH Thin Film Metrology
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The setup window contains lots of input data, so usually you will want to use an online recipe to do that job
for you.
Save mode:
In this first part of online setup you can
choose:
a. Option “save mode“
1. Do not save the online data
all data are lost and only visible on screen
2. save online data to RAM
At the end of the run you may observe
and analyze your data in the results
window
3. save online data to disk
according to option “write_to_file_interval”
all data are written to file in smaller
portions with filenames that are
determined in option “filenames”
b. Option “filenames“
1. Choose a name like “series 1“ or “test4” or
alike
2. Choose one or more options “add…..”
example: a filename might look like:
test156.onl
c. Option “trigger interval”
You might want to save the value (not the
file !) every trigger, but for some reasons
you might want to save only every third
trigger.
d. Option “write_to_file_interval”
You might want to save the file (not the
value !) every trigger, but for some
reasons you might want to save only
every third trigger.
Trigger:
In this second part of online setup you can
choose:
a. option “trigger mode“
You can trigger continuously by adjusting
the appropriate software parameters like
trigger interval.
you can trigger externally with a TTL-
signal to your spectrometer. Please
consult your hardware supplier…
b. option “trigger interval”
Here you choose the time interval between two
software triggers. Pay attention on the correct
unit.
You may test the trigger interval empirically with
“test recommended time”. Add some safety
margins.