Jens W. Tomm (Berlin, Germany) is currently on the scientific staff of the Max-Born-Institut fur Nichtlineare Optik und Kurzzeitspektroskopie where he serves as project leader. His work is focused on spectroscopic aging analysis of high-powered diode lasers, optical spectroscopy in such optoelectronic devices as high-powered semiconductor lasers, thermal analysis of optoelectronic devices by means of Raman-spectroscopy and Microthermography, device-related near-field scanning optical microscopy (NSOM) and Fourier-Transform (FT) spectroscopy, transient photoluminescence spectroscopy in III-V se...