Questions and Answers
Yes, it is possible to use rotating mirror to scan space. But most of all triangulation lidars have big space between laser and lens, so the mirror must be big (in case of 360deg scanning):
No. All that sensors are big (so the big lens needed), low sensitive, have low readout speed (< 5 MHz). Also, CCD sensors are difficult to control - they need high voltages and two-phase clock signal.
This is the sensor, whose length is bigger, than image produced by lens. Most of M12 lens are designed for usage with 1/3" and 1/4" sensors, so the image diameter is less than 10 mm. Also, big sensor can not be installed inside usual M12 lens holder.
Yes, but the measurement speed of most Sharp sensors is very low (< 100 Hz), so scanning speed would be very low too.
Yes, it is possible, but the scanning speed will be very low. That's because of low speed of matrix image sensors (<200 FPS). Linear sensor can be much faster - more than 2000 readings/sec.
- Also, the dataflow from matrix will be very big, so it would be need FPGA to process data.
- Also, brightness of "line" laser is less then brightness "dot" laser.