Table 1: Hybrid mode propagation constants.

Pitch angle Core radius a ModePropagation constant β (m−1)

10 µmEH015.970 × 106
EH115.975 × 106
EH215.968 × 106
20 µmEH015.960 × 106
EH115.965 × 106
EH215.970 × 106

90°10 µmEH015.850 × 106
EH115.890 × 106
EH215.870 × 106
20 µmEH015.950 × 106
EH115.980 × 106
EH215.965 × 106