A comparison of far-field methods for determining mode field diameter of single-mode fibers using both Gaussian and Petermann definitions von Drapela, T.J., Franzen, D.L., Cherin, A.H., Smith, R.J.

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Numerical aperture of multimode fibers by several methods: resolving differences von Franzen, D.L., Young, M., Cherin, A.H., Head, E.D., Hackert, M.J., Raine, K.W., Baines, J.G.N.

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