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Model: R638D050-70x40x45-V2 638nm, 50mW, 1% power stability
Model: R638D050-66.8x23x22-1.5 638nm, 50mW, TEM00,low noise
R638D1000-13x15-1-(-10-50)-10 638nm, 1W, compact without PCB
Model: R638-SMF20 638nm, 20mW after single mode fiber
+86 18669790946