T. Windel and U.H.P. Fischer (Germany)
optical mode field measurement, fiber-chip coupling, optoelectronic packaging, optical metrology
In this paper a new method for spotsize-measurement for singlemode optical components is presented. Based from the classical farfield-method where the measurements are made circular, the mounting of the used rotary stages and the long measurement time are great disadvantages. In this paper a new planar method is described which overcomes these problems. Based on the measurement of a singlemode fiber in accordance with ITU Recommendation G.652 the efficiency is demonstrated and discussed.
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