{"title":"Demonstration of a frequency-agile RF source configuration using bistable optically controlled semiconductor switches (BOSS)","authors":"D. Stoudt, M. A. Richardson, S. Moran","doi":"10.1109/PPC.1995.596506","DOIUrl":null,"url":null,"abstract":"The processes of persistent photoconductivity followed by photo-quenching have been demonstrated at megawatt power levels in copper-compensated, silicon-doped, semi-insulating gallium arsenide. These processes allow a switch to be developed that can be closed by the application of one laser pulse (/spl lambda/=1.06 /spl mu/m) and opened by the application of a second laser pulse with a wavelength equal to twice that of the first laser (/spl lambda/=2.13 /spl mu/m). The opening phase requires a sufficient concentration of recombination centers (RC) in the material for opening to occur in the subnanosecond regime. These RCs are generated in the bulk GaAs material by fast-neutron irradiation (/spl sim/1-MeV). Neutron-irradiated bistable optically controlled semiconductor switch (BOSS) devices have been opened against a rising average electric field of about 36 kV/cm (18 kV) in a time less than one nanosecond while operating at a repetition rate, within a two-pulse burst, of about 1 GHz. The ability to modify the frequency content of the electrical pulses, by varying the time separation, is demonstrated. Results demonstrating the operation of BOSS devices in a frequency-agile RF source configuration are also discussed.","PeriodicalId":11163,"journal":{"name":"Digest of Technical Papers. Tenth IEEE International Pulsed Power Conference","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1995-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Digest of Technical Papers. Tenth IEEE International Pulsed Power Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PPC.1995.596506","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
Abstract
The processes of persistent photoconductivity followed by photo-quenching have been demonstrated at megawatt power levels in copper-compensated, silicon-doped, semi-insulating gallium arsenide. These processes allow a switch to be developed that can be closed by the application of one laser pulse (/spl lambda/=1.06 /spl mu/m) and opened by the application of a second laser pulse with a wavelength equal to twice that of the first laser (/spl lambda/=2.13 /spl mu/m). The opening phase requires a sufficient concentration of recombination centers (RC) in the material for opening to occur in the subnanosecond regime. These RCs are generated in the bulk GaAs material by fast-neutron irradiation (/spl sim/1-MeV). Neutron-irradiated bistable optically controlled semiconductor switch (BOSS) devices have been opened against a rising average electric field of about 36 kV/cm (18 kV) in a time less than one nanosecond while operating at a repetition rate, within a two-pulse burst, of about 1 GHz. The ability to modify the frequency content of the electrical pulses, by varying the time separation, is demonstrated. Results demonstrating the operation of BOSS devices in a frequency-agile RF source configuration are also discussed.