1. LIDAR LIght Detection And Ranging What can you measure with LIDAR? distance speed rotation chemical composition and concentration of a remote target, which can be either a clearly defined object, such as a vehicle, or a diffuse object, such as a smoke plume or clouds.

2. Examples of LIDAR Laser speed guns Source: www.howstuffworks.com Doppler LIDAR (used in laser speed guns) - used for calculating speed of a target (can also be used to remotely measure true wind velocity) Range finders - used for calculating distance to a target DIfferential Absorption Lidar (DIAL) - used for measuring molecular concentrations in the atmosphere Laser range finder Source: www.robosoft.fr

3. Laser Range Finder Example 3-D Sweeping laser range finder from www.activrobots.comwww.activrobots.com Laser typically measures distances up to 32 m used at 5m for obstacle avoidance Laser scans up to 180 degrees / tilts +/- 90 degrees Resolution: 20 mm Interface: RS-232 Serial Interface Data Transfer: 38.4 Kbaud DIMENSIONS: 155 x 185 x 156 mm (WxHxD) Weight: 4.5 kg Input Voltage: +24 VDC Power Consumption: max. 17.5 W Pan-Tilt Speed: 150°+ per second in each joint Requires onboard computer

4. The Sweeping Laser's 2 ½-D view of the precipice and surrounding obstacles