We propose an optomechanical system to quantify the net force on a strand of cleaved silica optical fiber in situ as the laser light is being guided through it.Four strands of the fiber were bonded to both sides of a ...We propose an optomechanical system to quantify the net force on a strand of cleaved silica optical fiber in situ as the laser light is being guided through it.Four strands of the fiber were bonded to both sides of a macroscopic oscillator,whose movements were accurately monitored by a Michelson interferometer.The laser light was propagating with variable optical powers and frequency modulations.Experimentally,we discovered that the driving force for the oscillator consisted of not only the optical force of the light exiting from the cleaved facets but also the tension along the fiber induced by the light guided therewithin.The net driving force was determined only by the optical power,refractive index of the fiber,and the speed of light,which pinpoints its fundamental origin.展开更多
基金Ministry of Science and ICT,South Korea(2019R1A2C2011293)Research Executive Agency(846218).
文摘We propose an optomechanical system to quantify the net force on a strand of cleaved silica optical fiber in situ as the laser light is being guided through it.Four strands of the fiber were bonded to both sides of a macroscopic oscillator,whose movements were accurately monitored by a Michelson interferometer.The laser light was propagating with variable optical powers and frequency modulations.Experimentally,we discovered that the driving force for the oscillator consisted of not only the optical force of the light exiting from the cleaved facets but also the tension along the fiber induced by the light guided therewithin.The net driving force was determined only by the optical power,refractive index of the fiber,and the speed of light,which pinpoints its fundamental origin.
