Quick Reference
StarBright User Manual
10
2.4.4
Energy, Average Power, or Exposure Measurement
With the Pyroelectric sensor, you have been supplied a test slide with the same coating as on your
Pyroelectric detector. You can also obtain this slide from your dealer. You should use this slide to
test the damage threshold with your laser pulses. If the slide is damaged, then either enlarge your
beam, or lower the laser energy until damage is no longer seen.
To measure energy:
1.
Set
Measuring
to
Energy
.
2.
Set measurement parameters as described above.
3.
Energy will be displayed on the screen as well as the laser’s frequency.
To measure average power:
1.
Set
Measuring
to
Power
.
2.
Set measurement parameters as described above.
3.
Average power will be displayed as a function of “Energy x Frequency” on the screen as well as
the laser’s frequency.
To measure exposure:
1.
Set
Measuring
to
Exposure
.
2.
Set measurement parameters as described above.
3.
Set
Stop Mode
to
Manual
,
Timeout
period, or
Pulse
count.
4.
Accumulated energy exposure will be displayed on the screen, as well as elapsed time and
number of pulses measured.
2.5
Graphical Displays
To present measurements on a graduated scale (bargraph):
1.
In
Power
or
Energy
mode, press
Menu
and enter
Display
.
2.
Go to
Graph Type
and select
Bargraph
. Return to the main display screen.
3.
To expand the bargraph scale ±5x of the present reading, press the
Zoom
button. Press
Zoom
again to return the bargraph to full scale.
4.
To subtract the background and set the current reading to zero, press the
Offset
button. Press
Offset
again to cancel.
To simulate an analog needle:
1.
In
Power
or
Energy
mode, press
Menu
and enter
Display
.
2.
Go to
Graph Type
and select
Needle
. Return to the main display screen.
3.
To expand the needle graph ±5x of the present reading, press
Zoom
. Press
Zoom
again to
return the needle range to full scale.