Passive Components

Three Window Wideband Coupler

Parameter Premium A Grade
Operating Wavelength Range 1260-1360 nm, 1480-1500 nm,
1535-1570 nm
Insertion Loss ≤ 3.6 dB ≤ 3.8 dB
Uniformity ≤ 0.7 dB ≤ 1.0 dB
Return Loss ≥ 55 dB (1x2); ≥ 65 dB (2x2)
PDL ≤ 0.15 dB ≤ 0.20 dB
TDL ≤ 0.2 dB (-10°C ~ +75°C)
≤ 0.35 dB (-40°C ~ +85°C)
Operating & Storage Temperature -40°C ~ +85°C
Package Dimensions - Light Duty (B) 3.0mm (ø) x 55.0mm (L)
Package Dimensions - Medium Duty (L) 3.0mm (ø) x 60.0mm (L)
Package Dimensions - Heavy Duty (K,R) 100.0mm x 12.0mm x 8.0mm
Note: Specifications based on 50/50 ratio
Tap Coupler
Coupling Ratio Max Insertion Loss
Premium A Grade
40/60 4.7/2.7 dB 5.0/2.5 dB
30/70 6.0/1.9 dB 6.4/2.2 dB
20/80 7.9/1.2 dB 8.5/1.4 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
1/99 23.5/0.3 dB 24.0/0.4 dB
Tree Coupler
*Port # Max IL Uniformity
Premium A Grade Premium A Grade
1x4 7.2 dB 7.6 dB 1.3 dB 1.8 dB
1x8 11.0 dB 11.3 dB 2.0 dB 2.4 dB
1x16 14.4 dB 15.2 dB 2.7 dB 3.2 dB
1x32 18.1 dB 19.0 dB 3.4 dB 4.2 dB
* Other Port Numbers upon request

Note1: All values specified are without connectors.
Note2: Higher performance specifications upon request.
Note3: Fiber Type - Corning SMF-28