jgg     2014 34 (1):  180-182    ISSN: 0412-1961  CN: 21-1139/TG A NOVEL OPTICAL AND MECHANICAL WIRE ALIGNMENT  TRANSDUCER Key Laboratory of Earthquake Geodesy，Institute of Seismology，CEA，Wuhan 430071 Received: 2013-10-22  Revised: null  Online: 2014-01-23 Supporting info