27
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Ultra
Version M 22-April-2012
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Ultra
8.0 Operating Modes
The ICE450 provides three modes each for flashlamp firing and Q-Switching:
•
Manual Modes
•
Automatic Mode
•
External Modes
9.0 Manual Modes
WARNING:
Do not perform laser emission (Q-Switching) when
using Manual modes.
Simmer/Flashlamp Test Mode
Simmer/Flashlamp Test Mode is useful for verifying power supply and
flashlamp function.
1. Press the “Flashlamp Ready” button on the Remote Box to initiate
simmer current in the flashlamp. The ICE450 generates a flashlamp
discharge as part of establishing simmer.
2. Verify that the “Laser ON” indicator is illuminated on the ICE450 front
panel.
3. When the Remote Box “Ready” indicator is on, press the “Flashlamp
Ready” button a second time to generate another flashlamp discharge.
WARNING:
Follow all safety precautions, whether using a Manual
mode or Automatic mode. During laser operation, everyone
present in the laser room must wear eye protection appropriate for
the specific output wavelengths.
Single-shot Mode
Single-shot mode fires the Q-Switch one time, producing a single pulse of
light from the laser. This mode is useful while aligning the experimental setup.
To use this mode
QS Sync
must be set to
INT
. To obtain a single-pulse
emission from the laser:
1. Verify that the flashlamp is running.
2. Press the “Q-Switch Single Shot” button on the Remote Box.
The Q-Switch Single Shot indicator light on the Remote Box will blink once
and one laser pulse will be generated.
Figure 13
Remote Box Buttons
Figure 14
Timing Diagram: Single-Shot Mode
Flashlamp
ready button
Flashlamp
ready indicator
Flashlamp
start button
Q-Switch
start button
Q-Switch
single shot
button
Flashlamp
stop button
Q-Switch
stop button
single-shot pressed
Flashlamp
Q-Switch
