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Retroreflector Patch Cables

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Fiber Optic Retroreflectors




  • Single Mode, Polarization-Maintaining, or Multimode Fiber Optic Retroreflector
  • Wavelength Ranges from 450-2400 nm
  • FC/PC or FC/APC Connector

Features

  • SM, PM, or MM Fiber Optic Retroreflector Patch Cables
  • One End HR-Coated with Protected Silver
  • FC/PC or FC/APC Uncoated Connector (FC/PC Only for MM Fiber)
  • 2.0 mm Narrow Key
  • Suitable for Laser Power up to 300 mW
  • 1 m Long Cables
  • Ravg ≥ 97.5% from 450 nm to Fiber's Upper Wavelength Limit

Thorlabs' Fiber Optic Reflective-Coated Patch Cables are designed to reflect light input through the connector backwards through the fiber. They can be used to create a fiber interferometer, to measure back reflections from within a fiber optic component, or to build a low-power fiber laser. These retroreflectors are ideal for determining back reflection specifications for transmitters, amplifiers, and other devices (see the Applications Tab for more details).

Our retroreflectors are available with single mode (SM), polarization-maintaining (PM), or multimode (MM) fiber. One end of the fiber's ferrule is coated with a protected silver layer to provide an average reflection of ≥97.5% for light from 450 nm to the fiber's upper wavelength limit (see graph to the top right). This end is encased in a Ø9.8 mm (0.39") stainless steel housing that is engraved with the part number (see image above). The other end has either an FC/PC (available with SM, PM, or MM fiber) or FC/APC (available with SM or PM fiber) 2.0 mm narrow key connector. For PM fibers, the narrow key is aligned to the slow axis.

Each patch cable includes one protective cap that shields the ferrule ends from dust and other hazards. Additional CAPF Plastic Fiber Caps and CAPFM Metal Threaded Fiber Caps for FC/PC- and FC/APC-terminated ends are also sold separately.

Mating sleeves are available to couple patch cables together and serve to minimize back reflections and ensure proper alignment of the cores of each connectorized fiber end. Custom connectors and metal coatings (gold and aluminum) are available.

 

Single Mode Retroreflectors

 

Item #FiberWavelength
Rangeb
Cutoff
Wavelength
MFDcCladding
Diameter
Coating
Diameter
NAConnector
P1-1060R-P01-1a SM980-5.8-125 970 - 1650 nm 920 ± 50 nm 5.8 µm @ 980 nm
6.2 µm @ 1064 nm
10.4 µm @ 1550 nm
125 ± 1 µm 245 µm ± 5% 0.13 - 0.15 FC/PC
P5-1060R-P01-1a FC/APC
P1-SMF28ER-P01-1a SMF-28e+ 1260 - 1620 nm 9.2 ± 0.4 µm @ 1210 nm
10.4 ± 0.5 µm @ 1550 nm125 ± 0.7 µm245 ± 5 µm0.14FC/PC
P5-SMF28ER-P01-1a FC/APC
  • All specifications based on bare fiber data
  • Operating wavelength is typically 200 nm above the cutoff wavelength of the fiber
  • Mode Field Diameter (MFD) is a nominal, calculated valued, estimated at the operating wavelength using a typical value of NA and cutoff wavelength of the fiber

 

Polarization-Maintaining Retroreflectors

 

Item #FiberWavelength
Rangeb
Cutoff
Wavelength
MFDcCladding
Diameter
Coating
Diameter
NAConnectord
P1-1060PMR-P01-1a PM980-XP 970 - 1550 nm 920 ± 50 nm 6.6 ± 0.7 µm @ 980 nm 125 ± 1 µm 245 ± 15 µm 0.12 FC/PC
P5-1060PMR-P01-1a FC/APC
  • All specifications based on bare fiber data
  • Operating wavelength is typically 200 nm above the cutoff wavelength of the fiber
  • Mode Field Diameter (MFD) is a nominal, calculated valued, estimated at the operating wavelength using a typical value of NA and cutoff wavelength of the fiber
  • Connectors are keyed and aligned to the slow axis

 

Multimode Retroreflectors

 

Item #FiberWavelength
Rangeb
Core DiameterCladding
Diameter
Coating
Diameter
NAConnector
M105L01-P01-1a FG105LCA 400 - 2400 nm 105 µm ± 2% 125 ±1 µm 250 µm ± 5% 0.22 ± 0.02 FC/PC
  • All specifications based on bare fiber data
  • The silver coating utilized on these retroreflectors is designed for use with wavelengths above 450 nm. Although the fiber’s operating wavelength range is 400-2400 nm, the coating limits the lower wavelength range of the retroreflector.

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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