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The intended use of FabScan seems to be stationary short-range 3D scanning of static objects. Each scan is probably going to take a relatively long time to complete. For these reasons, it won't be the right scanner for you.
For the most common SLAM algorithms (such as gmapping or Google cartographer), you only need a 2D laser scanner, not a 3D laser scanner.
On the turtlebot, a RGB-D camera like the Microsoft Kinect, Asus Xtion Pro Live (unfortunately no longer available) or Orbbec Astra is used to simulate a 2D laser scanner using one of these two packages:
http://wiki.ros.org/depthimage_to_laserscan
http://wiki.ros.org/pointcloud_to_laserscan
This is probably going to be your best bet - those 3D cameras are relatively cheap.
There are also low-cost 2D laser scanners such as the RPLIDAR. The main advantage over a 3D camera is the bigger field of view (360° instead of 60°), but I would try a 3D camera first.
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