Gezhi Photonics (Shenzhen) Technology Co., Ltd.
| Fiber type | PM1550 |
| Packaging Details | Paper box |
| Extinction Ratio | ≥20dB |
| Payment Terms | T/T,Western Union |
| Channel Spacing | 50GHz / 100GHz / 200GHz |
| Wavelength | 1550nm |
| Package Dimension | Φ5.5×35mm |
| Supply Ability | 5000pcs per month |
| Insertion Loss | ≤1.0dB / ≤0.8dB / ≤0.8dB |
| Model Number | 1×2 PM1550 DWDM Device |
| Certification | CE RoHS,ISO9001 |
| Brand Name | GEZHI or OEM |
| Place of Origin | China |
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Product Specification
| Fiber type | PM1550 | Packaging Details | Paper box |
| Extinction Ratio | ≥20dB | Payment Terms | T/T,Western Union |
| Channel Spacing | 50GHz / 100GHz / 200GHz | Wavelength | 1550nm |
| Package Dimension | Φ5.5×35mm | Supply Ability | 5000pcs per month |
| Insertion Loss | ≤1.0dB / ≤0.8dB / ≤0.8dB | Model Number | 1×2 PM1550 DWDM Device |
| Certification | CE RoHS,ISO9001 | Brand Name | GEZHI or OEM |
| Place of Origin | China |
Key Features |
Typical Applications |
| Low Insertion Loss | CATV Optical Transmission Systems |
| High Return Loss | Backbone Dense WDM Transmission Systems |
| High Extinction Ratio | EPON / GPON Passive Optical Access Networks |
| Excellent thermal stability for both wavelength and insertion loss | Precision optical test systems requiring stable polarization |
| Multiple channel spacing options: 50GHz / 100GHz / 200GHz | Precision optical test systems requiring stable polarization |
| Multiple CW power handling grades; heat sink package for high-power use | Continuous & pulsed laser beam splitting/combining for industrial high-power scenarios |
| Compact standard metal package: Φ5.5×35mm, easy for system integration | |
| Customizable pigtail, fiber length and fiber connectors; 1×N PM DWDM modules available on request |
3. Main Specifications
| Parameters | Unit | 50GHz | 100GHz | 200GHz |
|---|---|---|---|---|
| Channel Spacing | GHz | 50 | 100 | 200 |
| Channel Passband (@-0.5dB) | nm | >0.1 | >0.22 | >0.5 |
| Insertion Loss (Pass Port) | dB | ≤1.0 | ≤0.8 | ≤0.8 |
| Insertion Loss (Reflect Port) | dB | ≤0.7 | ≤0.5 | ≤0.5 |
| Isolation (Pass Port) | dB | ≥25 | ≥25 | ≥25 |
| Isolation (Reflect Port) | dB | ≥13 | ≥13 | ≥13 |
| Extinction Ratio | dB | ≥20 | ≥20 | ≥20 |
| Return Loss | dB | ≥50 | ≥50 | ≥50 |
| Wavelength Thermal Stability | nm/℃ | ≤0.003 | ≤0.003 | ≤0.003 |
| Insertion Loss Thermal Stability | dB/℃ | ≤0.005 | ≤0.005 | ≤0.005 |
| Max CW Power Handling | W | 0.3 / 1 / 5 (Optional) | 0.3 / 1 / 5 (Optional) | 0.3 / 1 / 5 (Optional) |
| Tensile Load | N | ≤5 | ≤5 | ≤5 |
| Operating Temperature | ℃ | -5 ~ +75 | -5 ~ +75 | -5 ~ +75 |
| Storage Temperature | ℃ | -40 ~ +85 | -40 ~ +85 | -40 ~ +85 |
| Standard Package Dimension | mm | Φ5.5×35 | Φ5.5×35 | Φ5.5×35 |
The above specifications apply to bare devices without connectors. If fitted with connectors, insertion loss will increase by 0.3dB, return loss will decrease by 5dB, and extinction ratio will drop by 2dB.
Heat sink package is available for applications with power above 10W.
For pulsed laser applications, please inform us of pulse energy and peak power in advance.
Custom 1×N PM DWDM modules are available; please contact Gezhi Photonics for solutions.
4.Ordering Code Definition Table
Model Format: PMDWDM-①-②-③-④-⑤-⑥-⑦-⑧-⑨
| Optional Code & Corresponding Description | |
|---|---|
| ① Channel Spacing | 050=50GHz; 100=100GHz; 200=200GHz |
| ② Center Wavelength | C21=1560.61nm; C23=1558.98nm; S=Customer specified wavelength |
| ③ Working Axis | B=Both slow & fast axis workable; F=Only Slow Axis, Fast Axis blocked |
| ④ Fiber Type | PM1550; S=Custom specified fiber |
| ⑤ Power Handling | 0L=0.3W; 01=1W; 02=2W |
| ⑥ Package Dimension | S1=Φ5.5×35mm; S=Custom package size |
| ⑦ Pigtail Type | 00=Bare fiber; 09=900μm loose tube |
| ⑧ Fiber Length | 08=0.8m; 10=1m; S=Custom length |
| ⑨ Connector Type | FA=FC/APC; FP=FC/UPC; SA=SC/APC; SP=SC/UPC; S=Custom connector |
5.Package type
6.About us
Gezhi Photonics Co.,Ltd own 1500square meter operating workshop , use Clean, No Dust ,Tidy ,Planned room . with 20years experience technical team which made GEZHI products Reliable, Stable and High Qualified. Also, With 160 full experience workers in Fast, Efficient, Qualified production. Its increase GEZHI products Capacity, with High quality and reasonable, competitive price. Gezhi Photonics keeps on cooperating with international and national Telecom Operator, Equipment Supplier, universities, scientific and research company as well as taking advantage of its social talent , information and technology to benefit Enterprise Development . Owing to our excellent engineering services, custom design, technical support, product review , rapid sample prototyping and mass production fast delivering for our customers, we service more than 30 countries and regions including Europe, USA, Southeast Asian, Middle East, etc.
7.Our Certificate
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
10 Million-15 Million
Employee Number:
150~300
Ecer Certification：
Verified Supplier
Gezhi Photonics Co., Ltd is committed to being a global influential organization in optical network devices area. Gezhi Photonics is a leading worldwide manufacturer and supplier of Fiber Optical Passive Component. Our Mainly item is CWDM/DWDM,AWG Module,Optical Switch with OEM/ODM service . G... Gezhi Photonics Co., Ltd is committed to being a global influential organization in optical network devices area. Gezhi Photonics is a leading worldwide manufacturer and supplier of Fiber Optical Passive Component. Our Mainly item is CWDM/DWDM,AWG Module,Optical Switch with OEM/ODM service . G...
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