PM 25/130 Passive Double-Clad Fiber
Core composition                                                                     SiO2 – GeO2
Cladding-1 composition                                                             SiO2 – F
Cladding-2 composition                                                              SiO2 (F300)
Δn core, x10-3                                                                             1.8
- Δn clad-1, x10-3                                                                        4.5
Strength rod composition                                                            SiO2 – B
1st coating material                                                                     Low index Polymer
2nd coating material                                                                    Low index Polymer

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Geometry characteristics
Core Diameter, mkm                                               25
Cladding-1 Diameter, mkm                                 37.2
Cladding-2 Diameter, mkm                                     130.5
Strength rod diameter, mkm                                    21x 24
Distance between strength rods, mkm                    46.3
1st coating thickness, mkm                                     25 – 26
2nd coating thickness, mkm                                    29 – 30
Fiber diam. with coatings, mkm                               242

Optical properties
Cutoff wavelength, nm                                         1660
MFD at 1064 nm, mkm                                            17.9
MFD at 1550 nm, mkm                                            20.6
Beat Length at 1550 nm, cm                                   0.25


Original Carton Package;
As customers‘ requirement.

5-10 Working days after receive the payment;
Shipment: Air transportation(DHL / UPS / TNT / Fedex / EMS / CHINA POST);
Shipping fee depends on the weight and size.

For large orders: T/T, Credit card;
For small orders: Paypal are accepted.
All products have been tested before shipping out;
All products have 1-3 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.) 
Refund & Replacement
We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items);
If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;
If the items are defective, please notify us within 3 days of delivery;
Any items must be returned in their original condition to qualify for a refund or replacement;
The buyer is responsible for all the shipping cost incurred.
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Contact: Lydia Liu
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