Beam collimation of the laser diode with a heteroaxial double half-elliptical cylinder lens-中国Betway体育网页登陆

摘要 Anewcollimationsystem,theheteroaxialdoublehalf-ellipticalcylinderlens(HDHECL),isproposedbasedontheraytracingmethod,andthecollimationperformanceoftheHDHECLisdiscussedandcomparedwithconventionallenses.ThesimulationresultssuggestthattherefractiveindexoftheHDHECLcanbelargerthan2,thecollimationeffectisimprovedwiththeincreaseoftherefractiveindexinacertainrange,andthedivergenceangleinthefast-axisdirectioncanbecompressedtolessthan0.01mradtheoretically.Theseresultsareofsignificanceintheoryandpractice.

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Beam collimation of the laser diode with a heteroaxial double half-elliptical cylinder lens

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