Fig. 3

Calculated 3-dim output modal power distribution P(m) in W-type GI mPOF with δ = 0.008, for Gaussian launch beam distribution with radial offsets \(\:\varDelta\:r=0\:\mu\:\)m, \(< \theta >\) = 0° and (FWHM)0 = 3°, at different fiber lengths.
Calculated 3-dim output modal power distribution P(m) in W-type GI mPOF with δ = 0.008, for Gaussian launch beam distribution with radial offsets \(\:\varDelta\:r=0\:\mu\:\)m, \(< \theta >\) = 0° and (FWHM)0 = 3°, at different fiber lengths.