The figure below shows the principle of using a fiber optic Doppler meter to measure fluid flow rate. When the fluid to be measured is gas, the scattered light will be very weak. At this time, a high-power Ar laser (with an output light power of 2W, λ=514.5nm) can be used to improve the signal-to-noise ratio.
Features: Non-contact measurement, does not affect the flow state of the object to be measured.
Reference address：Fiber Optic Doppler Flow Meter
Features: Non-contact measurement, does not affect the flow state of the object to be measured.
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