Polarization Maintaining Fibre Series (PMF)-YOFC

Polarization Maintaining Fibre Series (PMF)

YOFC polarization maintaining fibre (PMF) is specially designed for fibre optic gyroscopes (FOGs) and polarization-sensitive components applications. This kind of fibre exhibits extremely low attenuation and excellent birefringence characteristics, and uses in a variety of demanding applications.YOFC PMF is manufactured through the high precision Plasma Chemical Vapor Deposition (PCVD) process. This process produces preforms with precise refractive index profiles, material uniformity and dimensional tolerances, therefore, makes fibres with excellent birefringence, low attenuation and extremely tight tolerances. With dual-layer, UV-cured Acrylate coating, YOFC polarization maintaining fibre has high environmental stability performance over the temperature range of -45℃ to +85℃ (-49 ℉ to +185 ℉ ).

Applications and Characteristics

Fibre Type	Characteristics	Applications
Polarization Maintaining Telecommunication Fibres	• Excellent polarization maintaining properties • Tight geometric tolerances and very low attenuation • Dual-layer UV-Acrylate coating and tight buffering structure • High environmental stability and reliability	• Polarization-sensitive components • High performance transmission laser pigtails • Pigtail to LiNbO3 FOG chip (IOC) • Polarization-based sensors
Polarization Maintaining Birefringence Matching Fibre	• Excellent birefringence matching properties • Excellent polarization maintaining properties • Excellent polishing properties • Tight geometric tolerances • Low bending-induced attenuation • Tight tolerance, dual-layer, and UV-Acrylate coating • High environmental stability and reliability	•Pigtail to LiNbO3 FOG chip (IOC) • Polarization maintaining fused-fibre couplers • Polarization-sensitive components • High performance transmission laser pigtails • Polarization-based sensors
Polarization Maintaining Gyroscope & Sensor Fibre	• Short beat length • Extremely high birefringence • Excellent polarization maintaining properties • Tight geometric tolerances and very low attenuation • Low bending-induced attenuation • Tight tolerance, dual-layer, and UV-Acrylate coating • High environmental stability and reliability	• Fibre Optic Gyroscopes (FOGs) • Polarization maintaining fused-fibre couplers • Polarization-sensitive components • High performance transmission laser pigtails • Polarization-based sensors

Specifications of Polarization Maintaining Telecommunication Fibres

Fibre Type	PM 980 125-12/250	PM 980 125-12/400	PM 1310 125-13/250	PM 1310 125-13/400
Part No.	PM1015-A	PM1025-A	PM1016-C	PM1026-C
Optical Properties
Operating Wavelength (nm)	980	980	1310	1310
Cut-oﬀ Wavelength (nm)	800~970	800~970	1100~1290	1100~1290
Mode Field Diameter (μm)	6.5±1.0	6.5±1.0	9.0±1.0	9.0±1.0
Attenuation (dB/km)	≤ 2.5	≤ 2.5	≤ 0.5	≤ 0.5
Beat Length (mm)	≤ 3.0	≤ 3.0	≤ 4.0	≤ 4.0
Typical Cross Talk at 4m (dB)	≤-40	≤-40	≤-40	≤-40
Cross Talk at 100m (dB)	≤-25	≤-25	≤-25	≤-25
Geometrical Properties
Cladding Diameter (μm)	125.0 ± 1.0	125.0 ± 1.0	125.0 ± 1.0	125.0 ± 1.0
Coating Diameter (μm)	245.0 ± 7.0	400.0± 15.0	245.0 ± 7.0	400.0± 15.0
Cladding Non-circularity (%)	≤1.0	≤1.0	≤1.0	≤1.0
Core Concentricity Error(μm)	≤1.0	≤1.0	≤1.0	≤1.0
Coating Type	Dual-layer/UV-Acrylate	Dual-layer/UV-Acrylate	Dual-layer/UV-Acrylate	Dual-layer/UV-Acrylate
Mechanical Properties
Operating Temperature (℃)	-45~ +85	-45~ +85	-45~ +85	-45~ +85
Proof Test (kpsi)	100	100	100	100

Note: Refer to Specialty Optical Fibre for more specifications.

Specifications of Polarization Maintaining Birefringence Matching Fibre

Fibre Type	PM 1310 125-16/250_C	PM 1310 125-16/250_Y	PM 1550 125-18/250_Y	PM 1310 80-16/165_Y	PM 1550 80-18/165_Y
Part No.	PM1016-D	PM1016-E	PM1017-E	PM1016-F	PM1017-F
Optical Properties
Operating Wavelength (nm)	1310	1310	1550	1310	1550
Cut-oﬀ Wavelength (nm)	1100~1290	1100~1290	1290~1520	1100~1290	1290~1520
Mode Field Diameter (μm)	6.5±1.0	6.0±1.0	6.5±1.0	6.0±1.0	6.5±1.0
Attenuation (dB/km)	≤ 1.0	≤ 0.6	≤ 0.6	≤ 0.6	≤ 1.0
Beat Length (mm)	4.0~6.0	2.5~4.0	2.5~4.5	2.5~4.0	2.5~4.5
Typical Cross Talk at 4m (dB)	≤-30	≤-30	≤-30	≤-30	≤-30
Cross Talk at 100m (dB)	≤-25	≤-30	≤-30	≤-30	≤-30
Geometrical Properties
Cladding Diameter (μm)	125.0 ± 1.0	125.0 ± 1.0	125.0 ± 1.0	80.0 ± 1.0	80.0 ± 1.0
Coating Diameter (μm)	245.0 ± 7.0	245.0 ± 7.0	245.0 ± 7.0	170.0 ± 7.0	170.0 ± 7.0
Cladding Non-Circularity (%)	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0
Core Concentricity Error (μm)	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0
Coating Type	DUuV-aAl-clrayyleart;e	DUuV-aAl-clrayyleart;e	DUuV-aAl-clrayyleart;e	DUuV-aAl-clrayyleart;e	DUuV-aAl-clrayyleart;e
Mechanical Properties
Operating Temperature(℃)	-45~ +85	-45~ +85	-45~ +85	-45~ +85	-45~ +85
*Proof Test (kpsi)	100	100	100	100	100

Customized PMFs are available with different application designs.
Standard proof test minimum is 1%. 2% proof test fibre is available.

Specifications of Polarization Maintaining Gyroscope & Sensor Fibre

Fibre Type	PM 1310 125-16/250	PM 1310 80-16/165	PM 1550 125-18/250	PM 1550 80-18/165	PMF 1310/ 80-16/135	PMF 1550/ 80-18/135
Part No.	PM1016-A	PM1016-B	PM1017-A	PM1017-B	PM 1016-G	PM 1017-G
Optical Properties
Operating Wavelength (nm)	1310	1310	1550	1550	1310	1550
Cut-oﬀ Wavelength (nm)	1100~1290	1100~1290	1290~1520	1290~1520	1100 - 1290	1290 - 1520
Mode Field Diameter (μm)	6.0±1.0	6.0±1.0	6.5±1.0	6.5±1.0	6.0 ± 0.5	6.5 ± 0.5
Attenuation (dB/km)	≤ 0.6	≤ 0.6	≤ 0.5	≤ 0.8	≤ 0.6	≤ 0.8
Beat Length (mm)	≤ 3.0	≤ 3.0	≤ 3.5	≤ 3.5	≤ 2.5	≤ 3.0
Cross Talk at 1000m (dB)	≤-30	≤-30	≤-30	≤-30	≤-25	≤ -25
Geometrical Properties
Cladding Diameter (μm)	125.0 ± 1.0	80.0 ± 1.0	125.0 ± 1.0	80.0 ± 1.0	80.0 ± 1.0	80.0 ± 1.0
Coating Diameter (μm)	245.0 ± 7.0	170.0 ± 7.0	245.0 ± 7.0	170.0 ± 7.0	135 ± 5	135 ± 5
Cladding Non-Circularity (%)	≤1.0	≤1.0	≤1.0	≤1.0	≤ 1.0	≤ 1.0
Core Concentricity Error (μm)	≤1.0	≤1.0	≤1.0	≤1.0	≤ 0.5	≤ 0.5
Coating Type	Dual-layer; UV-Acrylate	Dual-layer; UV-Acrylate	Dual-layer; UV-Acrylate	Dual-layer; UV-Acrylate	Dual-layer; UV-Acrylate	Dual-layer; UV-Acrylate
Mechanical Properties
Operating Temperature (℃)	-45~ +85	-45~ +85	-45~ +85	-45~ +85	-45~ +85	-45~ +85
*Proof Test (100 kpsi)	100	100	100	100	100	100

Customized PMFs are available with different application designs.
Standard proof test minimum is 1%. 2% proof test fibre is available.

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