论文信息 - A compact all-optical fibre Doppler-difference laser velocimeter

A compact all-optical fibre Doppler-difference laser velocimeter

Abstract Abstract. An optical fibre laser velocimeter of the Doppler difference type incorporating a fibre optic directional coupler for beam amplitude division has been constructed and satisfactorily demonstrated. Components normally used to give the frequency offset required to yield directional information in laser velocimeters are incompatible with fibre optic technology. Therefore, in the present system, a pseudo frequency offset was generated through the use of a fibre optic piezo-electric optical phase modulator.

Robert K. Y. Chan | J D C Jones | Dudley A S Jackson

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