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FIBER OPTIC CIRCULATORS

Polarization independent optical circulator is based on patent technology. It is marked with an
ultra compact package and high stability. It is an ideal candidate for FA, add/drop, dispersion
compensation and bi-direction transmission system.

Key Features:
• Low insertion loss and low cross talk
• Low polarization dependent loss
• Optical path epoxy-free
• Telcordia GR-1221-CORE compliance

Applications:
• DWDM and OADM networks
• Optical fiber amplifiers
• Fiber dispersion compensation and OTDRs

Specifications:

Parameter	Unit	Value
Port Number		3 ports			4 ports
Wavelength Range		1310, C, L	C+L		C
Insertion Loss(λc, 23℃, All SOP)	dB	0.8 (Grade P); 0.9 (Grade A)
Isolation(λc, 23℃, All SOP)	dB	≥40	≥40		≥40
Isolation(Over All λ, T, SOP)	dB	≥35	≥30		≥35
PDL	dB	0.1 (Grade P) 0.15 (Grade A)			0.15 (Grade P) 0.20 (Grade A)
Return Loss	dB	≥50
TDL	dB	≤0.2
WDL	dB	≤0.2 (1310nm/C band/L band); ≤0.4 (C+L band)
PMD	ps	≤0.05
Input Optical Power	mW	500
Directivity	dB	≤-50
Operation Temperature	℃	0~70
Storage Temperature	℃	-40~+85
Package	mm	Φ5.5×50		Φ5.5×64

Note: All insertion loss does not include connector loss.

Ordering Information:

3:3 ports

4:4 ports

Number of Ports

131:1310nm

155:1550nm

Wavelength

P:P Grade

A:A Grade

Grade

0.25:Φ0.25mm

0.9:Φ0.9mm

Fiber Diameter

1:1.0m

Custom length

Fiber Length

00:no connector

FC, SC, LC, MU/
PC, UPC, APC

Connector

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