In order to extend the capabilities of the ATOMKI-ECRIS it is being transformed into a modified plasma device by changing its three main components with new ones.The cylindrical plasma chamber is replaced by a larger ...In order to extend the capabilities of the ATOMKI-ECRIS it is being transformed into a modified plasma device by changing its three main components with new ones.The cylindrical plasma chamber is replaced by a larger one(ID=10cm,L=40cm).A new NdFeB multi-pole radial trap was designed and pur- chased.The basic configuration is 6-pole,but 8-or 12-pole arrangements can also be formed later.The present microwave source(2000W,14.5GHz)and two additional low-power,wide frequency TWT amplifiers give many opportunities to form plasmas with different sizes and characters.Actually a new facility with two sharply different operation modes is being established.All the modifications are reversible so the transformation of the ECRIS into this new device or back can be easily done.展开更多
The TrapCAD code was developed in the 90s on DOS-platform in order to visualize the magnetic field line structure of ECR and other ion sources and to simulate the movement of individual charged particles in magnetic t...The TrapCAD code was developed in the 90s on DOS-platform in order to visualize the magnetic field line structure of ECR and other ion sources and to simulate the movement of individual charged particles in magnetic traps.Recently the code was re-written for Windows and underlied a major upgrading.The paper shows the new features.The spatial and energy structure of the non-lost and lost electrons are studied in a more detailed way for the case of the ATOMKI-ECRIS,as example.Using the datafiles of the lost electrons, their energy distribution is calculated and compared with known X-ray(bremsstrahlung)observations.展开更多
基金Supported by OTKA grants (T42729,T46454)Hungarian-European Union support GVOP-3.2.1-2004-04-0054/3.0.S.Biri is a grantee of the Bolyai János Scholarship
文摘In order to extend the capabilities of the ATOMKI-ECRIS it is being transformed into a modified plasma device by changing its three main components with new ones.The cylindrical plasma chamber is replaced by a larger one(ID=10cm,L=40cm).A new NdFeB multi-pole radial trap was designed and pur- chased.The basic configuration is 6-pole,but 8-or 12-pole arrangements can also be formed later.The present microwave source(2000W,14.5GHz)and two additional low-power,wide frequency TWT amplifiers give many opportunities to form plasmas with different sizes and characters.Actually a new facility with two sharply different operation modes is being established.All the modifications are reversible so the transformation of the ECRIS into this new device or back can be easily done.
基金Supported by OTKA grants T42729 and T46454.S.Biri is a grantee of the Bolyai János Scholarship
文摘The TrapCAD code was developed in the 90s on DOS-platform in order to visualize the magnetic field line structure of ECR and other ion sources and to simulate the movement of individual charged particles in magnetic traps.Recently the code was re-written for Windows and underlied a major upgrading.The paper shows the new features.The spatial and energy structure of the non-lost and lost electrons are studied in a more detailed way for the case of the ATOMKI-ECRIS,as example.Using the datafiles of the lost electrons, their energy distribution is calculated and compared with known X-ray(bremsstrahlung)observations.