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Basic Information

Contact

For any technical questions or inquiries, please do not hesitate to contact us.

Sales Department

Tel.: +420 493 765 111
sales@sqs-fiber.cz

SQS manufactures high-quality Polarization-Maintaining (PM) Single Mode Fiber Optic Patch Cords with consistently high extinction ratios (ER). We offer a wide range of connector types, including FC, SC, LC, MTP, and E2000, as well as AR-coated variants.

All patch cords are produced and individually tested in-house to ensure low insertion loss and return loss values exceeding 50 dB (PC) and 60 dB (APC).

We specialize in custom solutions tailored to your specific needs. Our advanced PM fiber alignment and low-stress bonding technology guarantee minimal angular misalignment and superior PER performance across the 405–1620 nm wavelength range.

Advantages

Applications

  • Interferometry and fiber optic gyroscopes
  • Quantum optics and communication
  • Coherent laser systems
  • Precision sensing and metrology
  • PM fiber links in telecom and testing

Technical Specifications

  405 460 630 780 980 1310 1550
Wavelength range
length [nm]
400-680 460-630 630-780 780-980 980-1300 1280-1340 1490-1620
Insertion loss
Max. [dB]
1.8 1.5 1.2 0.8 0.6 0.5 0.4
Insertion loss type.
[dB]
1.5 1.2 0.9 0.5 0.4 0.3 0.2
Extinction ratio
[dB]
20 20/25 20/25 20/25 20/25 20/25/30 20/25/30
Core/cladding 3/125 3/125 4/125 5/125 6/125 9/125 10/125
Back reflection RL,
PC [dB]
> 50 (typically 55)
Back reflection RL,
APC [dB]
> 60 (typically 68)
Rotation error
stressors [°]
+/- 0.5
Rotation errors
(real axis) [°]
+/- 2.5 or +/- 1.5
Repeatability
(500 connections)
[dB]
+/- 0.2
Connector type FC, SC, MU, LC, MPO MTP
Operating temperature
[°]
-40 to +80

PM fiber rotation error in connector

Contact

For any technical questions or inquiries, please do not hesitate to contact us.

Sales Department

Tel.: +420 493 765 111
sales@sqs-fiber.cz

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