Low Back Reflection (High Return Loss) of 60 dB (Typical)
0.3 dB Connector to Connector Loss for Telecom Wavelengths
Each Cable is Individually Tested
These FC/APC fiber optic patch cables are ideal for systems that are sensitive to back reflections. The narrow key connector utilizes a ferrule that has an 8° angle polished tip, ensuring return losses in excess of 60 dB. Each cable is FC/APC connectorized on both ends, and most cables are available in 1, 2, and 5 m lengths.
Each patch cable includes two protective caps that shield the ferrule ends from dust and other hazards. Additional CAPF Fiber Caps for FC/APC-terminated ends are also sold separately.
Mating sleeves are available to connect FC/APC to FC/APC connectors. These mating sleeves minimize back reflections and ensure proper alignment of the cores of each connectorized fiber end. Thorlabs also offers AR-Coated Single Mode Patch Cables, which have an antireflective coating on one fiber end for higher performance in fiber-to-free space applications. If you cannot find the appropriate stock patch cable your application requires, Thorlabs offers custom patch cables, which typically ship the same day they are ordered (for orders placed weekdays before noon EST). Please see the Custom Cables link to the right to order a custom fiber patch cable.
Wavelength range is illustrative and not guaranteed.
MFD is nominal, calculated value, estimated at the operating wavelength(s)
Attenuation is specified for bare fiber.
Attenuation of SM2000 fiber is highly dependent on wavelength.
Not all cable types are available in all lengths. For custom length cables see our Custom Cables page.
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Posted Comments:
Poster: jhyuan
Posted Date: 2013-04-20 21:00:01.75
Hi,
I'm using PAFA-X-4-A to couple 514nm laser to
P3-460A-FC-2. I can only get 10% efficiency at the best, and I saw a halo of laser light coming off the cable, decaying along the length of the cable. Is that halo normal? I have no previous experience with single mode fiber, and thought there should not be any light coming off the cable? Am I wrong, or is the fiber somehow damaged?
Thank you for you help!
Junhua
Poster: tcohen
Posted Date: 2013-04-25 15:51:00.0
Response from Tim at Thorlabs to Junhua: From your description it sounds that the spot is not being optimally coupled into the fiber. If it is leaking into the cladding on coupling and therefore not being totally internally reflected, you can often see this power exiting. This is also possible if you are bending your fiber with too small of a radius. We will contact you directly to troubleshoot.
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The design wavelengths are 980 nm, 1064 nm, and 1550 nm. This fiber can typically be operated 200 nm above its cutoff wavelength. Wavelength range is illustrative and not guaranteed.
Max attenuation data is for bare fiber.
1260-1620 nm SMF-28e+ FC/APC Single Mode Patch Cables