Abstract
A novel ultrasonic vibration polishing method was developed by introducing an assistant ferrule between the multi fiber connector and the ultrasonic vibrator, which enabled the ferrule endface to be processed exclusively without contact with fiber endface. By this method, the desired fiber protrusions of all the fibers in multi fiber connector were obtained efficiently in a short time so that good optical characteristics were achieved. Insertion loss difference of single mode 12 fiber connector with and without index-matching material was less than 0.04dB, and optical characteristics of 12 fiber connector without index matching material remained stable during the reconnections of 500 cycles. Good and stable physical contact (PC) connection was achieved. Compared with the conventional method, this novel method raises the processing efficiency greatly.
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