Single-Mode Dual-Window FBT Couplers

Features

Application

Specification

Data Download

Single-Mode Dual-Window FBT Couplers - GFFCSDxxxxxxxxxx

Customized Parameters	Options
Port Configuration	1=1×2, 2=2×2, 3=1×3, 4=3×3
Coupling Ratio	S01=1:99, S02=2:98, ..., S50=50:50 T33=33:33:33, T10=10:45:45, T20=20:40:40, T30=30:35:35, T40=40:30:30, T60=60:20:20, T70=70:15:15, T80=80:10:10
Operating Wavelength	A=1310nm, B=1550nm, C=1310nm&1550nm, D=1310nm&1490nm&1550nm
Fiber Type	B=250μm bare fiber, L=0.9mm loose tube
Fiber Length	01=0.1m, 02=0.2m, ..., 10=1.0m, ..., 15=1.5m
Input Connector	0=None, 1=FC/UPC, 2=FC/APC, 3=SC/UPC, 4=SC/APC, 5=LC/UPC, 6=LC/APC
Output Connector	0=None, 1=FC/UPC, 2=FC/APC, 3=SC/UPC, 4=SC/APC, 5=LC/UPC, 6=LC/APC

Example P/N - GFFCSD1S50AL1066

— 1×2 Single-Mode Dual-Window FBT Coupler with 50:50 coupling ratio, 1310nm operating wavelength, 1-meter 0.9mm loose tube, LC/APC input connector, and LC/APC output connector.

Low Insertion Loss
High isolation
Low Polarization Dependent Loss
Wide operating wavelength range
Good channel-to-channel uniformity
Operating wavelength: 1310nm or 1550nm
Operating bandwidth: ±20nm
PDL: ≤20dB
Directivity: ≥50dB
Return Loss: ≥50dB (UPC); ≥55dB (APC)
Operating temperature range: -40℃ to +85℃
Fiber type: Single mode OS2
Package Dimension: Type A (φ90mm×L50mm); Type B (φ3.05mm×L65mm); Type C (L96.5mm×W12mm×H10mm)
High reliability and high stability
Telcordia GR-1209-CORE-2001 compliant
Telcordia GR-1221-CORE-1999 compliant
Fully compliant with 2011/65/EC RoHS (Free of lead and halogen free)

Optical Communication Systems
FTTH Networks
Communication Equipment
CATV Links

1×2 or 2×2 Single-Mode Dual-Window FBT Couplers

Port configuration	Ratio	Insertion loss (dB)
1×2 or 2×2	50/50	3.8/3.8
	55/45	3.3/4.2
	60/40	2.8/4.8
	65/35	2.4/5.4
	70/30	2.1/6.0
	75/25	1.9/6.8
	80/20	1.5/7.8
	85/15	1.2/9.2
	90/10	1.0/11.3
	99/5	0.7/14.4
	99/1	0.5/22.6
Uniformity (dB)	50/50	0.8/0.8

1×3 or 3×3 Single-Mode Dual-Window FBT Couplers

Port configuration	Ratio	Insertion loss (dB)
1×3/3×3	33/33/33	6.2/6.2/6.2
	10/45/45	11.5/4.7/4.7
	20/40/40	8.4/5.4/5.4
	30/35/35	6.2/5.6/5.6
	40/30/30	5.1/6.3/6.3
	60/20/20	3.4/8.5/8.5
	70/15/15	2.7/9.4/9.4
	80/10/10	2.0/11.6/11.6
Uniformity (dB)	33/33/33	1.4/1.4/1.4