Browsing by Author "Zhang, Z."

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    • Experimental development of a millimeter wave free electron laser 

      Radack, D.; Bidwell, S.; Antonsen, T. Jr; Carmel, Y.; Destler, William; Granatstein, V.; Latham, P.; Levush, B.; Mayergoyz, I.; Rodgers, J.; Zhang, Z. (SPIE, 1990-12)
      A 1 MW (cw), millimeter wave FEL (X, « 0.5 mm) is currently under development with an application for heating fusion plasmas. Two salient features of the FEL are the use of a short-period wiggler £w < 10 mm) electromagnet and ...

    • A High-average power tapered FEL amplifier at submillimeter frequencies using sheet electron beams and short-period wigglers 

      Bidwell, S.; Radack, D.; Antonsen, T.; Booske, J.; Carmel, Y.; Destler, William; Granatstein, V.; Levush, B.; Lathem, P.; Zhang, Z. (Elsevier, 1990-09-17)
      A high-average-power FEL amplifier operating at submillimeter frequencies is under development at the University of Maryland. Program goals are to produce a CW, ~ 1 MW, FEL amplifier source at frequencies between 280 GHz ...

    • High-average-power CW FELs for application to plasma heating designs and experiments 

      Booske, J.; Granatstein, V.; Radack, D.; Antonsen, T.; Bidwell, S.; Carmel, Y.; Destler, William; Latham, O.; Levush, B.; Mayergoyz, I.; Zhang, Z. (IEEE, 1990)
      A short-period-wiggler (period - 1 cm), sheet-beam FEL has been proposed as a low-cost source of high-average-power (1 MW) millimeter-wave radiation for plasma heating and space-based radar applications. Recent calculations ...

    • A High-power millimeter-wave sheet beam free-electron laser amplifier 

      Cheng, Shiqiu; Destler, William; Granatstein, Victor; Antonsen, Thomas; Levush, Baruch; Rodgers, John; Zhang, Z. (©1996 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE., 1996-06)
      The results of experiments with a short period (9.6 mm) wiggler sheet electron beam (1.0 mm x 2.0 cm) millimeter-wave free electron laser (FEL) amplifier are presented. This FEL amplifier utilized a strong wiggler field ...

    • Millimeter wave free electron laser amplifiers: Experiments and designs 

      Bidwell, S.; Zhang, Z.; Antonsen, T. Jr; Bensen, D.; Destler, William; Freund, H.; Granatstein, V.; Latham, P.; Levush, B.; Radack, D.; Rodgers, J. (1991-08)
      Free electron laser amplifiers are investigated as sources of high average-power (1 MW) millimeter to submillimeter wave radiation (200-600 GHz) for application to electron cyclotron resonance heating of magnetically ...

    • Progress in high power millimeter-wave FELs with short period wigglers and sheet electron beams 

      Booske, J.; Radack, D.; Antonsen, T. Jr; Bidwell, S.; Destler, William; Granatstein, V.; Latham, P.; Levush, B.; Mayergoyz, L.; Serbeto, A.; Zhang, Z. (Institute of Electrical and Electronics Engineers, 1989-05)