The Laguerre-Gaussian(LG)mode beam has very important applications in many research fields.Here,the Theon sieve is first introduced into the laser resonator to generate petal-like laser beams by coherently superimposi...The Laguerre-Gaussian(LG)mode beam has very important applications in many research fields.Here,the Theon sieve is first introduced into the laser resonator to generate petal-like laser beams by coherently superimposing two high-order LG modes.The effectiveness was verified by GLAD software.The petal-like laser beam is derived from the light field redistribution and coherent superposition caused by the diffraction effect of the Theon sieve.The relationship between the order of the petal-like laser and the cavity structures has also been investigated in detail.Light field operation in the laser cavity greatly simplifies the optical structure and is more beneficial to optical diagnostics and imaging.展开更多
基金supported by the National Natural Science Foundation of China(NSFC)(No.61775222)Youth Innovation Promotion Association of the ChineseAcademy of Sciences(No.2017292)the International Partnership Program of Chinese Academy of Sciences(No.18123IKYSB20170022)。
文摘The Laguerre-Gaussian(LG)mode beam has very important applications in many research fields.Here,the Theon sieve is first introduced into the laser resonator to generate petal-like laser beams by coherently superimposing two high-order LG modes.The effectiveness was verified by GLAD software.The petal-like laser beam is derived from the light field redistribution and coherent superposition caused by the diffraction effect of the Theon sieve.The relationship between the order of the petal-like laser and the cavity structures has also been investigated in detail.Light field operation in the laser cavity greatly simplifies the optical structure and is more beneficial to optical diagnostics and imaging.
