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2楼的,能不能做下面两种透镜? 具体你可以参考http://www.thorlabs.com/ProductDetail.cfm?DID=6ObjectGroup_ID=800Product_ID=125 Geltech lenses.
(1)1550 nm, NA=0.50, clear aperture 1.50mm, EFL 1.49 mm, OD 2.65mm, WD 1.1 mm
MLBB-D coating Rmax0.25%, Rtyp0.15% from 1400-1700nm, AOI=0 to 20 deg
(2)1550 nm, NA=0.60, clear aperture 0.84mm, EFL 0.682mm, OD 2.50mm, WD 0.267mm
MLBB-Q coating Rmax0.25%, Rtyp0.15% from 1400-1700nm, AOI=0 to 20 deg |