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David fiber device Ltd
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9 Years
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9 Years
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| Brand Name : | INTEPON |
| Model Number : | 4 ports optical circulator |
| Certification : | RoHS, ISO9001:2015 |
| Payment Terms : | T/T, Western Union |
| Supply Ability : | 500~1000pcs per month |
Fiber optic circulator, made in China, 1610nm, 4 ports, 5.5x60mm.
The 1625nm fiber circulator made in China has 4 ports which can pass the light from port1 to port2, port2 to port3, port3 to port 4. Importantly, the signal cannot be passed from port4 to port1.
The fiber circulator can be used to protect the signal source with high isolation.
From this point, you can treat it as an isolator but it doesn't equal to the isolator. Taking the number of the ports as an example, the isolator has one input and one output but the 4ports circulator has 3 input and 3 output. For this reason, the port 2 and the port 3 of circulators is the input and output, it means that you can input your signal from port 2&port 3 and you can also transmit the optical signal from port 2 & port3.
Firstly, the signal inserts from port 1 and output port 3.
Secondly, the other signal will input port 2 and output port 3
Lastly, the signal input port3 and output port4.
That's the reason that we call 4 ports circulator.
Features
Structure : 4 ports
Insertion loss : ≤ 1.4dB
High return loss: return loss ≥50dB
High isolation: isolation ≥40dB
Compact size: 5.5x60mm package size
Connector type: no connector
Applications
Protecting the light source
Optical amplifier
Optical transmission system
Data center
| Specifications | ||
| Parameters | Unit | Specification |
| Operating wavelength Range | nm | 1625 |
| Insertion loss (1-2, 2-3 @ 23 C ) | dB | ≤1.4 |
| Polarization Dependent Loss (PDL) | dB | ≤0.20 |
| Polarization Mode Dispersion (PMD) | dB | ≤0.1 |
| Isolation (2-1, 3-2 @ 23 C) | dB | ≥40 |
| Directivity | dB | ≥50 |
| Return Loss | dB | ≥50 |
| Power handling(mW) | mW | ≤500 |
| Pigtail length | m | 1m or special |
| Port color | - | Each port color Can be customized |
| Tensile Load | N | ≤5 |
| Operating Temperature | C | -5 to +70 |
| Storage Temperature | C | -40 to +85 |
| Remark | ||
| * Above specifications are tested without connector at room
temperature | ||
Application situation:
Q&A:
Q: What's your Payment terms?
A: We accept TT & Western Union for payment.
Q: How to order a sample?
A: You can contact us directly and tell us your requirements on any of our products.
Q: Could you print our company logo or design on the products?
A: Yes, we can accept your need but we will share the charge with you.
Q: If we decide to move forward with our order what is the next step?
A: You place an order first. Then we will send you PI. After you settle the payment by TT or the Western Union. We will arrange production for you.
Q: What is your normal production lead time for a first order and then for repeat orders?
A: It depends on the product you need. For example, if you purchased a 1550nm fiber circulator for your first order, and then you look for it again, but we will check the material of it and tell you the delivery time.
Q: Do you have warranty policy?
A: Yes, we have. We provide 12 months maintenance warranty.
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