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SQS Vláknová optika a.s. is producer of Vacuum Optic patchcords/jumpers suitable for High Vacuum or Ultra High Vacuum (UHV) environment. Process of assembling Vacuum patchcords needs UHV compatible process of gluing as well as UHV connectors and bare fiber protected by loose tube. For vacuum the most common connectors are FC connectors. The SMA 905 connector are alos available. All mentioned patchords can be mated in Vacuum FC adapters which are also part of our offer as well as Vacuum compatible fiber optic feedthroughs with pigtail or adapter interface.
Applications
- Excellent optical parameters
- UHV compatible patchcords/adapters
- Precise optical length on request
- UHV FO feedthrough on request
- In SM, MM and PM version
Related Products
Hermetic Fiber optic feedthroughs
Fiber patchcord - parameters
| SM | MM | PM | |
| Wavelengths (according type of fiber) | 400 ÷ 2000 nm | 400 ÷ 2000 nm | 400 ÷ 2000 nm |
| Insertion loss IL (max/typ): | 0,3 / 0,22 dB (1310/1550nm) | 0,3 / 0,2 dB (850/1300nm) | 0,4 / 0,2 dB (1550nm) |
| Return loss (UPC) RL (min/typ): | > 50 / > 55 dB (1310 nm) | > 25 dB / > 40 dB (850/1300nm) | > 50 / > 55 dB (1310 nm) |
| Return loss (APC) RL (min/typ): | > 60 / > 68 dB (1310 nm) | NA | > 60 / > 68 dB (1310 nm) |
| Extincition Ratio (min) [dB]: | - | - | 20,25,30 dB |
| Angle Misaligment (Q) (Real Axis) [°]: | - | - | +/-2,5 or +/-1,5 |
| Repeatability - 500 matings: | +/- 0,1 dB | +/- 0,1 dB | +/- 0,2 |
| Core/cladding/coating | 9/125/155 polyimide (G.652D) | 50/125/155 polyimide (OM2) | according type of fiber |
| Connector (made in SQS) | FC/PC or APC (N or R type) | FC/PC (N or R type) | FC/PC or APC (N or R type) |
| Connector - material | SS 304L (1.4307) | SS 304L (1.4307) | SS 304L (1.4307) |
| Ferrule - material | Zirconia ferrule | Zirconia ferrule | Zirconia ferrule |
| Fiber protection | Polyimide or PTFE or steel tube | Polyimide or PTFE or steel tube | Polyimide or PTFE or steel tube |
| Operating temperature | -40 +85 °C (180°C on request) | -40 +85 °C (180°C request) | -20 +70°C |
Vacuum patchcord with loose tube protection behind connectors -> Three basic options:
Bare fiber;
Perforated 900um PTFE Tubing
Flexible 3mm Stainless Steel Tube
UHV Patchcord with Highly Durable Protection
Adapter Designs
| Adapter Interface for conn. | FC/PC or FC/APC | narrow narrow - key | wide wide - key | narrow - key wide |
| Key Hole | N type ( 2,15 - 2,20 mm ) or R type ( 2,05 - 2,10 mm) | |||
| Material - body | SS 304L (1.4307 ) |  |
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| Material - sleeve | Zirconia sleeve | |||
| Flange | Full flange (rectangle) | |||
| Laser marking of flange | On request |
