Vacuum-Compatible Fiber Optic Patch Cords
Ultra-High Vacuum (UHV) Fiber Optic Patchcords with FC and SMA Connectors
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 offers ultra-high vacuum (UHV) compatible fiber optic patchcords and pigtails engineered for reliable light and data transmission in high vacuum and ultra-high vacuum systems. Our vacuum patch cords are manufactured using UHV-compliant processes with low outgassing adhesives and stainless steel 304L connectors (FC/PC, FC/APC, or SMA 905).
The optical fiber is protected by Polyimide, PTFE, or stainless steel tube, ensuring mechanical protection and vacuum compatibility. We also offer high-temperature versions of patchcords and pigtails designed to operate up to 180 °C. Our patchcords are designed for direct use with UHV fiber optic feedthroughs and vacuum adapters. Whether you need singlemode (SM), multimode (MM), or polarization-maintaining (PM) fibers, SQS provides tailor-made solutions optimized for UHV applications.
Advantages
- FC/PC, FC/APC or SMA905 connector interface
- Fiber protection: Polyimide, PTFE, or Stainless steel loose tube
- UHV compatible patchcords and adapters
- Exact optical length on request
- Available with SM, MM or PM fiber
Applications
- Optical signal transmission in UHV chambers
- Fiber optics in particle accelerators and beamlines
- Light delivery in space simulation chambers
- Optical systems for quantum computers and quantum optics
- Laser beam delivery in vacuum spectroscopy setups
Technical Specifications
Vacuum patchcord specifications
| SM fiber | MM fiber | PM thread | |
| SQS connectors | FC/PC (N or R type) , FC/APC (N or R type) | ||
| Connector material | Stainless steel 304L (1.4307) | ||
| Ferrule material | Ceramics | ||
| Operating wavelength [nm] | 400 to 2000 | ||
| Fiber geometry, primary protection [um] |
9/125/155 (G.652D), polyimide | 50/125/155 (OM2), polyimide |
By fiber type |
| Insertion loss, max. [dB] | 0.3 (1310/1550nm) | 0.3 (1300/850nm) | 0.4 (1550nm) |
| Back reflection (PC) [dB] (min/typ) | > 50 / > 55 dB (1310 nm) |
> 25 dB / > 40 dB (850/1300nm) | > 50 / > 55 dB (1310 nm) |
| Back reflection (APC) [dB](min/typ) | > 60 / > 68 dB (1310 nm) |
ON | > 60 / > 68 dB (1310 nm) |
| Extinction ratio [dB] | ON | ON | 20, 25, 30 |
| Real axis rotation error [°] | +/- 2.5 or +/- 1.5 | ||
| Repeatability - 500 connections | +/- 0.2 | +/- 0.1 | +/- 0.2 |
| Operating temperature [°C] | -40 to +85* | -40 to +85* | -20 to +70 |
*) Patchcord for temperatures up to 180°C on request
Connection adapter specifications
| Adapter for connecting connectors | FC/PC or FC/APC |
| Connector key groove width | N type (2.15 - 2.2 mm) or R type (2.05 - 2.1 mm) |
| Body material | Stainless steel 304L (1.4307) |
| Guide tube material | Ceramics |
| Flange type | Full flange |
| Laser marking | On request |
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
