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Single Mode Polarization-Maintaining Fiber

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Polarization-Maintaining Fiber




  • 320 nm to 2200 nm Operating Wavelengths
  • Ø80 µm or Ø125 µm Cladding Fibers
  • "Bow-Tie" & "Panda" Style Fibers

Features

  • Maintain Polarization State of Input
  • Panda or Bow-Tie Style Fiber
  • Stock and Custom Patch Cords Also Available

Thorlabs offers both Panda and bow-tie style Single Mode Polarization-Maintaining (PM) fiber. The two styles are named based on the stress rods used. Stress rods run parallel to the fiber's core. Panda stress rods are cylindrical, while bow-tie uses trapezoidal prism stress rods. For the average user, these two styles are interchangeable. Panda style fibers have historically been used in telecom applications, as it is easier to maintain uniformity in their cylindrical stress rods over very long lengths when manufacturing.

Although bow-tie fibers are not traditionally used in telecom applications, we do offer specialized bow-tie fibers. The HB980T fiber has been optimized for telecom use with polarization multiplexing of EDFA pump lasers. Additionally, the HB1250T and HB1500T are well suited for both laser and integrated optic chip pigtailing.

Applications such as Fiber Optic Gyroscopes (FOG) can benefit from the HB800G bow-tie fiber. FOGs require optimal performance over a wide temperature range, short beat lengths, and high birefringence. Conventional PM fibers use a polymer coating, which become less flexible at lower temperatures. This causes undesired stress in the fiber and degrades its performance at low temperatures. Our HB800G integrates a dual-layer acrylic coating that increases the low temperature performance (Temperature Performance Plot).


Polarization-Maintaining Fiber, Panda-Style


* Wavelengths from 350 to 2200 nm
* PM-S350-HP, PM-S405-XP, and PM-S630-HP Feature Pure Silica Core

Item #Wavelength RangeMFDaNAbCutoffAttenuation
PM-S350-HP 350 - 460 nm 2.3 µm @ 350 nm 0.12 N/A
PM-S405-XP 400 - 680 nm 3.6 ± 0.5 µm @ 405 nm
5.0 ± 0.5 µm @ 630 nm
0.12 380 ± 20 nm ≤30.0 dB/km @ 488 nm
≤30.0 dB/km @ 630 nm
PM460-HP 460 - 700 nm 3.3 ± 0.5 µm @ 515 nm 0.12 410 ± 30 nm  
PM-S630-HP 630 - 780 nm 4.2 ± 0.5 µm @ 630 nm 0.12 580 ± 40 nm  
PM630-HP 620 - 850 nm 4.5 ± 0.5 µm @ 630 nm 0.12 570 ± 50 nm  
PM780-HP 770 - 1100 nm 5.3 ± 1.0 µm @ 850 nm 0.12 710 ± 60 nm  
PM980-XP 970 - 1550 nm 6.6 ± 0.7 µm @ 980 nm 0.12 920 ± 50 nm ≤2.5 dB/km @ 980 nm
PM1300-HP 1270 - 1625 nm 9.5 ± 1.0 µm @ 1300 nm 0.13 1200 ± 70 nm <1.0 dB/km @ 1300 nm
PM14XX-HP 1390 - 1625 nm 9.8 ± 0.8 µm @ 1450 nm 0.13 1320 ± 60 nm <1.0 dB/km @ 1450 nm
PM1550-XP 1440 - 1625 nm 9.9 ± 0.5 µm @ 1550 nm 0.125 1370 ± 70 nm <1.0 dB/km @ 1550 nm
PM2000 1850 - 2200 nm 8.0 µm @ 1950 nm 0.20 1720 ± 80 nm ≤11.5 dB/km @ 1950 nm
≤22.5 dB/km @ 2000 nm
  • Mode Field Diameter (MFD) is specified as a nominal value. It is the diameter at the 1/e2 power level in the near field. 
  • Numerical Aperture (NA) is specified as a nominal value.

 

 

Polarization-Maintaining Fiber, Bow-Tie Style


* Design Wavelengths from 488 to 1550 nm
* HB800G Designed for Fiber Optic Gyroscopes (FOG)

Item #Design Wavelength(s)MFDaNACutoffAttenuation
HB450 488 - 514 nm 3.6 µm 0.10 - 0.13 350 - 470 nm  
HB800G 830 nm 4.2 µm 0.14 - 0.18 660 - 800 nm  
HB980T 980 nm 6.0 µm 0.13 - 0.15 870 - 970 nm  
HB1250Tb 1310 nm 9.0 µm 0.11 - 0.13 1100 - 1290 nm  
HB1500Tb 1550 nm 10.5 µm 0.11 - 0.13 1290 - 1540 nm  
  • Mode Field Diameter (MFD) is a nominal, calculated value, estimated at the operating wavelength(s) using a typical value of numerical aperture and cut-off wavelength.
  • The recommended strip tool for HB1250T and HB1500T is the T06S16

ABOUT US

Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

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