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Novel post-weld-shift measurement of butterfly-type laser module employing high resolution capacitance displacement measurement technique

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5 Author(s)
Liu, Y.D. ; Dept. of Photonics, Nat. Sun Yat-sen Univ., Kaohsiung, Taiwan ; Sheen, M.T. ; Hsu, Y.C. ; Tsai, Y.C.
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A novel capacitance displacement measurement system with 25.4 nm resolution and 0.1 mum accuracy is employed to on-line measure the PWS of butterfly-type module. The coupling efficiency can be regained up to 90% by this real-time technique.

Published in:

OptoElectronics and Communications Conference, 2009. OECC 2009. 14th

Date of Conference:

13-17 July 2009

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