… far-field distribution is essential for estimations of coupling efficiencies and for determining
of the mode field diameter from far-field … hole size \(\left( {d/\varLambda } \right)\), the far-field …

… In this study, the effective area values in 6 different PCFs that have non-Gaussian …
Measurements of mode field diameter and effective area of photonic crystal fibers by far-field …

… potential of photonic crystal fiber (PCF) … measured results of the two-dimensional far-field
pattern at the output end of the fabricated quasi-uniform PCF. Here, we utilized the single-mode …

… , and the mode field diameter is calculated from the fitted mode field distribution curve. …
Measurements of mode field diameter and effective area of photonic crystal fibers by far-field …

… Further, the half-mode field diameter can be calculated using the following Marcuse formula
… -mode field diameter, called the effective modal spot size. In terms of the modal spot size, …

… Since far-field measurements are helpful in characterizing … Mode (ESM) operation [2], large
or ultrasmall Mode Field … for effective cladding index can be used to compute farfield intensity …

… inversion of the relationship between the tensor angle and the mode field diameter [6,7].
The variable aperture method is equivalent to the far-field measurement method [2,6], and the …

… TE and TM coupling constants to the resonant modes of the PhC slab. Thus, we focus our
attention on the polarization states of the far-field emission from each eigenstate. In Fig. 2(f) we …

… The mode field diameter is ∼30 µm. The inset in Fig. 9(c) shows the output laser … ) Measured
amplified output power as a function of pump power. Inset: laser beam profile in the far field. …

… light source from the perspective of the far-field plane. Likewise, the solid … mode fiber (SMF).
It is recommended that the fiber size of the SMF core area be the same as the core area …