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no Parameter value Unit 1 Product Number EG45-4755-8040-20H30-w1.8t0.3 2 Spec. Type Short pass-45 3 Pass band 1460~1480 nm 4 Reflection band 1540~1560 nm 5 Max. Insertion Loss within Pass Band <0.3 dB 6 Transmission IL Variation within Pass Band <0.25 dB 7 Transmission Isolation within Reflection Band >20 dB 8 Reflection Isolation within Pass Band >13 dB 10 Transmission efficiency within pass band <0.10 dB 11 Thermal Wavelength Drift <3 pm/ 12 AR Coating on backside <0.2 % 13 Angle of incidence(A.O.I.) 45 o 14 Dimension(L*W) 1.8(±0.1) * 1.8(±0.1) mm 14 Thickness 0.3(+0.4/-0.1) mm