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Why did Basler choose to use the Pulsed Time-of-Flight method and how does it differ from other potential methods?

One alternative method for example is called Continuous Wave Time-of-Flight. It is based on measurements of the phase length for a brightness-modulated light source. The method is mature and works with standard electronics. Yet these sensors are relatively large and just offer resolutions lower than VGA.

Pulsed Time-of-Flight measures distances based on the travel time for many individual pulses of light. Due to technical progress the creation of accurate light pulses, and their exact measurement with high resolution has become economic, thus this technology will rapidly evolve.