A novel infrared broadband nonlinear optical limiting[NOL]technology based on stimulated Billouin scattering(SBS)in As_(2)Se_(3) fiber is proposed.The As_(2)Se_(3) fiber alows a weak infrared laser to pass through,but...A novel infrared broadband nonlinear optical limiting[NOL]technology based on stimulated Billouin scattering(SBS)in As_(2)Se_(3) fiber is proposed.The As_(2)Se_(3) fiber alows a weak infrared laser to pass through,but blocks an intense laser with the same wavelength due to the SBS effect.This NOL technology has been experimentally proved to have excellent NOL per-formance for incident pulsed lasers with a typical infrared wavelength of 3.6μm.The linear transmissions of 1 m and 0.5 m As_(2)Se_(3) fibers are higher than 90%,and the lowest nonlinear transmissions are reduced to 0.89%and 1.23%,respectively.展开更多
基金This work was supported by the National Natural Science Foundation of China(NSFC)(Nos.62175105 and 61875086).
文摘A novel infrared broadband nonlinear optical limiting[NOL]technology based on stimulated Billouin scattering(SBS)in As_(2)Se_(3) fiber is proposed.The As_(2)Se_(3) fiber alows a weak infrared laser to pass through,but blocks an intense laser with the same wavelength due to the SBS effect.This NOL technology has been experimentally proved to have excellent NOL per-formance for incident pulsed lasers with a typical infrared wavelength of 3.6μm.The linear transmissions of 1 m and 0.5 m As_(2)Se_(3) fibers are higher than 90%,and the lowest nonlinear transmissions are reduced to 0.89%and 1.23%,respectively.
