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Telecoms PM Fiber

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Telecoms Polarization Maintaining (PM) fibers (HB-T) are mode-matched to standard ‘telecoms’ fibers. The result of this is that splice losses of less than 0.1dB can be achieved routinely, with Polarization Extinction Ratios (PERs) of better than -32dB. Similarly, HB-T’s geometric precision makes it ideally suited for 45° splices across PM axes for Lyot depolarizers. All Fibercore PM fibers are designed and tested to exceed all relevant Telcordia™ standards.
HB1250T, HB1480T and HB1500T are also available with a 400μm dual acrylate buffer for enhanced ruggedness and reduced PER degradation during packaging.
HB980T and HB1480T have been designed specifically for the polarization multiplexing and pigtailing of pump diodes.
HB14XXT is a unique short beat-length fiber suitable for Raman pump depolarizers and applications that require the shortest beat-length with a telecoms friendly core.
Fibercore’s ‘Bow-Tie’ design is capable of creating more birefringence than any other stressed design. This is simply because it is based on two opposing wedges, the most simple and efficient means of applying stress to a point.
 
Typical applications:
• Telecoms
• Erbium Doped Fiber Amplifier (EDFA)
• Cable Television (CATV)
• Interferometric sensors
Advantages:
• Highly Birefringent (HB)
• Short Beat-Lengths (SB)
• Strong PER maintaining

Related Products:

• PM Erbium Doped Fiber (DHB1500)
• Zing™ Polarizing Fiber (HB-Z)
• Standard PM Fiber (HB)
• PM Coupler Fiber (HB-C)
• PM Gyro Fiber (HB-G)
• Polyimide Coated PM Fiber (HB-P)

 

Product Variants:
• HB980T PM pump fiber for use in telecoms style 980nm pumps
• HB1250T(245) PM transmission fiber for use around 1310nm
• HB1250T(400) Thick coating PM transmission fiber for use around 1310nm for improved micro-bend resistance
• HB14XXT Short beat-length 14XXnm fiber for Raman depolarizers
• HB1480T(245) PM transmission fiber for 1480nm
• HB1480T(400) Thick coating PM transmission fiber for use around 1480nm for improved micro-bend resistance
• HB1500T(245) PM transmission and depolarizer fiber for use around 1550nm
• HB1500T(400) Thick coating PM transmission fiber for use around 1550nm for improved micro-bend resistance

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