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High Performance 3 Port Optical Circulator 1310nm or 1550nm Dual Band Epoxy-Free Design for OTDR and DWDM

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Guangdong Huajiayu Technology Co., Ltd

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High Performance 3 Port Optical Circulator 1310nm or 1550nm Dual Band Epoxy-Free Design for OTDR and DWDM

Brand Name : HJY

Model Number : HJY-OC-1550-3P-2

Certification : CE, ROHS, FCC ISO9001

Place of Origin : China

MOQ : 10 pcs

Price : 1~999

Payment Terms : T/T,Western Union,L/C

Supply Ability : 100,000 pcs

Delivery Time : 5~8 working days

Packaging Details : Roll, Neutrial Packing or with OEM LOGO

Insertion Loss : ≤0.8dB

Pdl : ≤0.2dB

Wavelength Range : 1310nm - 1550nm

Storage Temperature : -40℃ to +85℃

Isolation : ≥40dB

Operating Temperature : -5℃ to +70℃

Return Loss : ≥50dB

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High Performance 3 Port Optical Circulator 1310nm or 1550nm Dual Band Epoxy-Free Design for OTDR and DWDM

HJY's Optical Circulator is a non-reciprocal passive device that directs light signals sequentially between ports (e.g., Port 1→2, Port 2→3, Port 3→1). It utilizes Faraday rotation and birefringent crystals to enable bidirectional optical routing with minimal loss. Key features include low insertion loss, high isolation, and compact design, making it ideal for telecommunications, fiber sensing, and dense wavelength-division multiplexing (DWDM) systems.

High Performance 3 Port Optical Circulator 1310nm or 1550nm Dual Band Epoxy-Free Design for OTDR and DWDM

Features	Application
•High Channel Isolation •Low Insertion Loss •High Return Loss •High Stability and Reliability	•Optical Fiber Amplifier •CATV Optical Fiber Link •Optical Fiber System testing •Dispersion Compensation

Application Diagram:

Circulator can be used to send optical signals through a single fiber in two directions. As the picture shows: A circulator is located at both ends of the fiber. Each circulator functions to add a signal in one direction while removing the signal in the other. see the example to the left.

High Performance 3 Port Optical Circulator 1310nm or 1550nm Dual Band Epoxy-Free Design for OTDR and DWDM

Category	Types	Key Features
Port Configuration	3-Port	Standard unidirectional flow (Port 1→2→3→1)
	4-Port	Extended routing for complex network topologies
Application Grade	Telecommunication-Grade	High reliability for long-haul networks
	Industrial-Grade	Ruggedized for harsh environments (e.g., sensing)

Parameter		1310	1550	C&L	1610
Operation Wavelength (nm)		1280~1340	1520~1580	1525 ～ 1610	1580~ 1660
Configuration		Port1 to Port 2； Port2 to Port3
Grade		P
Insertion Loss(dB)	Typical	0.6
	Maximum	0.8
Channel Max. Isolation (dB)		50
Channel Min. Isolation(dB)		40
Directivity( (dB)		50
PDL (dB)		<0.15
PMD(ps)		<0.1
RL (dB)		>50
Bandwidth (nm)		+/-30
Max Operating Power (mW)		500
Operating Temperature (℃)		0~+70
Storage Temperature (℃)		-40~+85
Fiber type		Corning SMF-28e
Dimension (mm)		1． Φ5.5xL50 ( bare fiber or 900um Loose tube
		2. L90xW20xH9.5( 2.0mm or 3.0mm Cable)

‌Ordering Information‌

‌Model No.‌	‌Wavelength (nm)‌	‌Port Configuration‌	‌Insertion Loss (dB)‌	‌Isolation (dB)‌	‌Package Type‌
HJY-OC-1310-3P	1310	3-Port	≤ 0.8	≥ 50	Miniature
HJY-OC-1550-3P	1550	3-Port	≤ 0.8	≥ 50	Miniature
HJY-OC-1310-4P	1310	4-Port	≤ 1.0	≥ 45	Miniature
HJY-OC-1550-4P	1550	4-Port	≤ 1.0	≥ 45	Miniature

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