Linearly superimposed lasers acceleration sensor

Details Linearly superimposed lasers acceleration sensor Linearly superimposed lasers acceleration sensor

G - Physics

01

P

G01P 15/00 (2006.01) G01C 19/58 (2006.01)

Patent

CA 2575542

The invention pertains generally to sensor area. The sensor is composed by two high coherent lasers (item 1 and 3), the linearly superimposed laser lens (item 2), laser detectors (item 4) and case (item5). The main feature of the invention is that two laser frequencies have from 0.01 to 1 percent difference and the two lasers are linearly superimposed to create group wave (item 6) whose frequency is from 100 to 100000 times slower than the frequency of the laser, which is easy to be measured with less cost. When sensor is accelerated, the phase of the group wave will be changed with the acceleration.

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