Interferometric Characterization of a Biconic Fiber Optic Connector Sleeve

SUMMARY: An interferometric method is described for measuring the absolute value of the biconic sleeve end separation of the master sleeve used to determine the suitability of plastic product sleeves. The end separation, g sub 2, is defined as the outermost distance between two truncated balls of a particular diameter inserted with a particular force into both openings of a biconic connector sleeve.