Laser Head Setup - NORTHROP GRUMMAN Patara I User Manual

Laser Head Setup

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The laser head should be mounted on an optical table or equivalent strong flat
surface. Three mounting holes are provided to secure the laser. The laser should
be installed in a clean environment.
A power meter, with the ability to handle a minimum of 30 W, should be installed
approximately 1.5 feet away from the laser in the direction of the laser output
beam. To protect the power meter, a negative lens (f=-100 mm) with an anti-
reflective (AR) coating at 532 nm should be installed in front of the power meter
as shown in Figure 4-2 below. If a negative lens is not available, the power meter
should be at least 2 m away from the laser so that the beam size is larger and the
power density is below the damage threshold of the power meter. A pulse detector
should be positioned as shown in Figure 4-2 to verify the pulse characteristics of
the laser.
Figure 4-2. Basic setup for the laser power test
Chapter Four: Installation and Operation
23 Patara I and II Laser User Manual