FBT Coupler Dual Window Wideband Coupler Specifications (Based on 50/50) Parameter Premium Operating Wavelength Range A Grade 1310 & 1550 nm ± 40 nm Insertion Loss ≤ 3.6 dB ≤ 3.8 dB Uniformity ≤ 0.7 dB ≤ 1.0 dB ≥ 55 dB (1x2) ≥ 65 dB (2x2) Return Loss ≤ 0.15 dB PDL ≤ 0.20 dB ≤ 0.2dB TDL Operating & Storage Temperature Package Dimensions - 40° C ~ + 85° C Light Duty ( B ) 3.0mm (ɸ) x 55.0mm (L) Medium Duty ( L ) 3.0mm (ɸ) x 60.0mm (L) Heavy Duty ( K, R ) 100.0mm x 12.0mm x 8.0mm Tap Coupler Tree Coupler Max Insertion Loss * Port # Max IL Uniformity Premium A Grade Premium A Grade Premium A Grade 40/60 4.7/2.7 dB 5.0/2.9 dB 1x4 7.2 dB 7.6 dB 1.3 dB 1.8 dB 30/70 6.0/1.9 dB 6.4/2.2 dB 1x8 11.0 dB 11.3 dB 2.0 dB 2.4 dB 20/80 7.9/1.2 dB 8.5/1.4 dB 1 x 16 14.4 dB 15.2 dB 2.7 dB 3.2 dB 10/90 11.3/0.6 dB 12.7/0.8 dB 5/95 15.0/0.4 dB 16.0/0.5 dB *Other port numbers upon request. 1/99 23.5/0.3 dB 24.0/0.4 dB Note1: All values specified are without connectors. Note2: Higher performance specifications are available upon request. Note3: Fiber Type – Corning SMF-28e. Coupling Ratio Ordering Information D W C - Port Number 12: 1x2 22: 2x2 14: 1x4 18: 1x8 116: 1 x 16 Grade: P: Premium A: A Grade - Coupling Ratio xy% : xy% EVEN: even split 2210 Lind Ave SW, Suite 100 Renton, WA 98057 USA Wavelength Example 1950 = 1950nm - - Fiber Length 1: 1 meter 2: 2 meters S: Special Pigtail Style (=Package style) B: Bare Fiber Connector 0: None 1: FC/PC L: 900 μm loose tube 2: FC/APC K: 2mm cable 3: SC/PC R: 3mm cable 4: SC/APC 5:FC/SPC 6: SC/SPC 7: LC/UPC 8: LC/SPC 9: Special A: FC/UPC B: SC/UPC C: ST [email protected] (425) 277-8000 ph (425) 277-5280 fax