Polarization-maintaining tapered coupler
author: TTI Fiber
2024-04-10
Technical parameters
| Parameters | Unit | Numerical value | ||||||||
| Grade | - | P | A | P | A | P | A | |||
| ntral wavelength | nm | 1550 1310 | 1064 1040 1030 980 | 850 780 | ||||||
| Working bandwidth（23℃） | nm | ±15 | ||||||||
| Minimum extinction ratio（23℃） | dB | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.8 | |||
| Maximum additional loss | dB | 20 | 18 | 20 | 18 | 20 | 18 | |||
| Minimum directional | dB | 50 | ||||||||
| Minimum callback loss | dB | 55 | ||||||||
| Maximum bearable power（CW） | W | 3 | ||||||||
| Optical fiber type | - | Polarization preserving Fiber | ||||||||
| Package size | mm | φ3*54 | ||||||||
| Oerating temperature | ℃ | -5~+75 | ||||||||
| Storage temperature | ℃ | -40~+85 | ||||||||
| Spectral ratio tolerance | P grade | A grade | ||||||||
| Spectral ratio | 50/50 | % | ±4.8 | ±7.0 | ||||||
| 40/60 | % | ±3.9 | ±5.5 | |||||||
| 30/70 | % | ±2.5 | ±4.0 | |||||||
| 20/80 | % | ±2.3 | ±3.1 | |||||||
| 10/90 | % | ±2.1 | ±2.6 | |||||||
| 5/95 | % | ±1.4 | ±1.5 | |||||||
| 1/99 | % | ±0.5 | ±0.6 | |||||||
Device plus joint,maximum bearable power by 1w,insertion loss increase 0.3dB,callback loss reduce
5dB,extinction ratio reduce 2dB,joint default slow axis aim positioning key.
5dB,extinction ratio reduce 2dB,joint default slow axis aim positioning key.
Package size
Order information
| Central wavelength | 1550nm，1310nm,1064nm,980nm | |||||||||
| Grade | P，A | |||||||||
| structure | 1×2，2×2 | |||||||||
| Spectral ratio | 1/99，5/99，……,50/50 | |||||||||
| Package size | φ3.0×54mm,φ3.0×60mm or specified | |||||||||
| Pigtail type | Bare fiber (250um) or 900um loose casing | |||||||||
| Pigtail length | 0.75m,1m,1.5m or specified | |||||||||
| Connection header type | FC/UPC,FC/APC,SC/UPC,SC/APC,LC/UPC,LC/APC or specified | |||||||||
Other customization requirements
| Customized demand | Is it customizable | |||||||||
| Package size | are | |||||||||
| Optical fiber type | are | |||||||||
| The tail fiber length | are | |||||||||
| Connection header type | are | |||||||||
| End face type | are | |||||||||
| Loss level | are | |||||||||
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Application area
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