A b stract：C om b in ation of dual-surface len s，m icrolens，elliptical cylinder，fl at—fl at—cy lindri'cal lens w ere adopted in v.6" <nT2
ord er to m in im ize d ivergen ce an gle at the d iff erent pro cessing speed axis sen d out from L D ，an d redu ce co sts in ~c?yHpZx%
beam ’S resh ap in g for L D ．Sim p le deri v ation an d com pu tatio n w ere also don e w ith exp ecta tion to chan ge th e b eam }jiqUBn%
into ofa parallel one w itll a very narrow w idth to em bed th e fiber．Processability an d probability ofadjustm ent of 92Ar0j]
th is com b ination in experim ent w ere displayed as w el1．M oreover，th e com bin ation has m an y advan ta g e, sim ple e— rxa"ji!)
quipm ent,m ore co ntrou ab le par am eter，an d SO on ． ’ /GM-#q
a
K ey w o rd s ：L D ；h yp erbo lic cy lin der；m icrolen s
