[1] Univ Jyvaskyla, Dept Phys, Jyvaskyla 40014, Finland
[2] Univ Montpellier, CNRS, Lab Informat Robot & Microelect Montpellier, F-34095 Montpellier, France
[3] Aalto Univ, Dept Elect & Nanoengn, FL-00076 Espoo, Finland
[4] Inst Elect Sud, Lab Informat Robot & Microelect Montipiller, F-34095 Montpellier, France
[5] CALTECH, Jet Prop Lab, Pasadena, CA 91101 USA
[6] ESA ESEC, Redu Space Serv, B-6890 Redu, Belgium
[7] Vanderbilt Univ, Elect Engn & Comp Sci Dept, 221 Kirkland Hall, Nashville, TN 37235 USA
[8] CERN, CH-1211 Geneva, Switzerland
[9] Aerosp Corp, Photon Technol Dept, Phys Sci Labs, Elect & Photon Lab, POB 92957, Los Angeles, CA 90009 USA
[10] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
[11] ESA ESTEC, NL-2200 AG Noordwijk, Netherlands
[12] Cypress Semicond Technol Res & Dev, San Jose, CA 95134 USA
[13] Univ Montpellier, CNRS, Inst Electron Sud, UMR, F-34095 Montpellier, France