A type of interference optical fiber acoustic emission sensor is described.With 10 -10 m level resolution,megahertz-level frequency and response time less than 1 μs,this sensor possesses prominent measuring stab...A type of interference optical fiber acoustic emission sensor is described.With 10 -10 m level resolution,megahertz-level frequency and response time less than 1 μs,this sensor possesses prominent measuring stability and can be used in state supervision and trouble diagnosis.展开更多
文摘A type of interference optical fiber acoustic emission sensor is described.With 10 -10 m level resolution,megahertz-level frequency and response time less than 1 μs,this sensor possesses prominent measuring stability and can be used in state supervision and trouble diagnosis.