IGBT lifetime in all-solid-state pulsers for CO2 TEA lasers

T. Stehmann; Hubertus M. von Bergmann

doi:10.1117/12.611070

23 March 2005 IGBT lifetime in all-solid-state pulsers for CO₂ TEA lasers

T. Stehmann, Hubertus M. von Bergmann

Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.611070
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic

Abstract

The IGBT (Insulated Gate Bipolar Transistor) is a modern solid-state switch with wide spread applications in power electronics. However, little information is available on the performance and reliability of the switch in pulsed power supplies used for the excitation of CO₂ TEA and excimer lasers. Results of reliability test conducted on a high-power, high-voltage IGBT are presented with additional focus on the measurement technique. It is found that IGBTs can be reliably used in pulsed power supplies where the peak switching current exceeds the average current rating up to five times. Furthermore, IGBTs can be reliably connected in series to increase the switch operating voltage.

Citation Download Citation

T. Stehmann and Hubertus M. von Bergmann "IGBT lifetime in all-solid-state pulsers for CO₂ TEA lasers", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.611070

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