Patent ID: 8382385
Filing Date: 2013-02-26
Classification: G02B,H05K

Abstract:
1. An optical transceiver module comprising: an optical transceiver module housing; and an electromagnetic interference (EMI) cancelation device disposed in the housing, the EMI cancelation device including a metal chamber having at least first and second walls that are generally parallel to each other, the first and second chamber walls having first and second openings formed therein, respectively, through which at least one optical fiber passes, the first and second chamber walls being separated from each other by a preselected distance, wherein the preselected distance is selected to ensure that EMI that passes through the second opening and is incident on the first wall at a first instant in time is reflected back toward the second wall and destructively interferes with EMI passing through the second opening at a second instant in time that is later than the first instant in time.