7 research outputs found
Microwave generation by supercritical REB at plasma assistance
The experimental researches on generation of microwave radiation in a system with a supercritical current of a
relativistic electron beam produced in the magnetically isolated diode and external plasma source are carried out.
The researches have shown that in the presence of external plasma the power of microwave radiation is increased in
comparison to vacuum system.ΠΡΠΎΠ²Π΅Π΄Π΅Π½Ρ Π΅ΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½Ρ Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π½Ρ Π³Π΅Π½Π΅ΡΠ°ΡΡΡ ΠΠΠ§ Π²ΠΈΠΏΡΠΎΠΌΡΠ½ΡΠ²Π°Π½Π½Ρ Π² ΡΠΈΡΡΠ΅ΠΌΡ Π· Π½Π°Π΄ΠΊΡΠΈΡΠΈΡΠ½ΠΈΠΌ
ΡΡΡΡΠΌΠΎΠΌ ΡΠ΅Π»ΡΡΠΈΠ²ΡΡΡΡΡΠΊΠΎΠ³ΠΎ Π΅Π»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΏΡΡΠΊΠ° Ρ Π·ΠΎΠ²Π½ΡΡΠ½ΡΠΌ ΠΏΠ»Π°Π·ΠΌΠΎΠ²ΠΈΠΌ Π΄ΠΆΠ΅ΡΠ΅Π»ΠΎΠΌ. ΠΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π½Ρ ΠΏΠΎΠΊΠ°Π·Π°Π»ΠΈ, ΡΠΎ
ΠΏΡΠΈ Π½Π°ΡΠ²Π½ΠΎΡΡΡ Π·ΠΎΠ²Π½ΡΡΠ½ΡΠΎΡ ΠΏΠ»Π°Π·ΠΌΠΈ ΠΏΠΎΡΡΠΆΠ½ΡΡΡΡ ΠΠΠ§ Π²ΠΈΠΏΡΠΎΠΌΡΠ½ΡΠ²Π°Π½Π½Ρ Π·Π±ΡΠ»ΡΡΡΡΡΡΡΡ Π² ΠΏΠΎΡΡΠ²Π½ΡΠ½Ρ Π· Π²Π°ΠΊΡΡΠΌΠ½ΠΎΡ
ΡΠΈΡΡΠ΅ΠΌΠΎΡ.ΠΡΠΎΠ²Π΅Π΄Π΅Π½Ρ ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π³Π΅Π½Π΅ΡΠ°ΡΠΈΠΈ Π‘ΠΠ§ ΠΈΠ·Π»ΡΡΠ΅Π½ΠΈΡ Π² ΡΠΈΡΡΠ΅ΠΌΠ΅ ΡΠΎ ΡΠ²Π΅ΡΡ
ΠΊΡΠΈΡΠΈΡΠ΅ΡΠΊΠΈΠΌ
ΡΠΎΠΊΠΎΠΌ ΡΠ΅Π»ΡΡΠΈΠ²ΠΈΡΡΡΠΊΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΏΡΡΠΊΠ° ΠΈ Π²Π½Π΅ΡΠ½ΠΈΠΌ ΠΏΠ»Π°Π·ΠΌΠ΅Π½Π½ΡΠΌ ΠΈΡΡΠΎΡΠ½ΠΈΠΊΠΎΠΌ. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΠΎΠΊΠ°Π·Π°Π»ΠΈ,
ΡΡΠΎ ΠΏΡΠΈ Π½Π°Π»ΠΈΡΠΈΠΈ Π²Π½Π΅ΡΠ½Π΅ΠΉ ΠΏΠ»Π°Π·ΠΌΡ ΠΌΠΎΡΠ½ΠΎΡΡΡ Π‘ΠΠ§ ΠΈΠ·Π»ΡΡΠ΅Π½ΠΈΡ ΡΠ²Π΅Π»ΠΈΡΠΈΠ²Π°Π΅ΡΡΡ ΠΏΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΡ Ρ Π²Π°ΠΊΡΡΠΌΠ½ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΠΎΠΉ
Measurement of distribution function of REB, used in collective ion accelerator
The parameters of the intense relativistic electron beam (REB), being a base element of the ion accelerator concept,
were measured at the exit of the first section of a collective ion accelerator. The experimental studies of a REB current
passing through metal foils of a different thickness were carried out. Using the obtained dependence of beam current attenuation on the foil thickness and the calibration curves (tables) of the dependence of penetration lengths on the particle energy, the energy distribution function of REB electrons was determined and it is represented as a histogram. The kind of
plasma resulting in a short circuit of the magnetically-insulated diode was determined.Π ΠΏΠ΅ΡΡΡΠΉ ΡΠ΅ΠΊΡΡΡ Π΄Π²ΠΎΡ
ΡΠ΅ΠΊΡΡΠΉΠ½ΠΎΠ³ΠΎ ΠΊΠΎΠ»Π΅ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΏΡΠΈΡΠΊΠΎΡΡΠ²Π°ΡΠ° ΡΠΎΠ½ΡΠ² ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½Ρ Π²ΠΈΠΌΡΡΡΠ²Π°Π½Π½Ρ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡΠ²
ΡΠΈΠ»ΡΠ½ΠΎΡΡΡΡΠΌΠΎΠ²ΠΎΠ³ΠΎ ΡΠ΅Π»ΡΡΠΈΠ²ΡΡΡΡΡΠΊΠΎΠ³ΠΎ Π΅Π»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΏΡΡΠΊΠ° (Π ΠΠ), ΡΠΊΠΈΠΉ Ρ Π³ΠΎΠ»ΠΎΠ²Π½ΠΈΠΌ Π΅Π»Π΅ΠΌΠ΅Π½ΡΠΎΠΌ ΠΊΠΎΠ½ΡΠ΅ΠΏΡΡΡ
ΠΏΡΠΈΡΠΊΠΎΡΠ΅Π½Π½Ρ ΡΠΎΠ½ΡΠ². ΠΡΠΎΠ²Π΅Π΄Π΅Π½Ρ Π΅ΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½Ρ Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π½Ρ ΠΏΡΠΎΡ
ΠΎΠ΄ΠΆΠ΅Π½Π½Ρ ΡΡΡΡΠΌΡ Π ΠΠ ΡΠ΅ΡΠ΅Π· ΠΌΠ΅ΡΠ°Π»Π΅Π²ΡΡΠΎΠ»ΡΠ³ΠΈ ΡΡΠ·Π½ΠΎΡ ΡΠΎΠ²ΡΠΈΠ½ΠΈ. ΠΠΎ ΠΎΡΡΠΈΠΌΠ°Π½ΡΠΉ Π·Π°Π»Π΅ΠΆΠ½ΠΎΡΡΡ ΠΎΡΠ»Π°Π±Π»Π΅Π½Π½Ρ ΡΡΡΡΠΌΡ ΠΏΡΡΠΊΠ° Π²ΡΠ΄ ΡΠΎΠ²ΡΠΈΠ½ΠΈ ΡΠΎΠ»ΡΠ³ΠΈ Ρ
ΠΊΠ°Π»ΡΠ±ΡΠΎΠ²Π°Π½ΠΈΠΌ ΠΊΡΠΈΠ²ΠΈΠΌ (ΡΠ°Π±Π»ΠΈΡΡΠΌ) Π·Π°Π»Π΅ΠΆΠ½ΠΎΡΡΡ Π΄ΠΎΠ²ΠΆΠΈΠ½ΠΈ Π³Π°Π»ΡΠΌΡΠ²Π°Π½Π½Ρ Π²ΡΠ΄ Π΅Π½Π΅ΡΠ³ΡΡ ΡΠ°ΡΡΠΎΠΊ, Π²ΠΈΡΠ²Π»Π΅Π½Π° ΡΡΠ½ΠΊΡΡΡ
ΡΠΎΠ·ΠΏΠΎΠ΄ΡΠ»Ρ Π΅Π»Π΅ΠΊΡΡΠΎΠ½ΡΠ² Π ΠΠ ΠΏΠΎ Π΅Π½Π΅ΡΠ³ΡΡ Π² Π²ΠΈΠ³Π»ΡΠ΄Ρ Π³ΡΡΡΠΎΠ³ΡΠ°ΠΌΠΈ. ΠΠΈΡΡΠ½Π΅Π½ΠΈΠΉ Π²ΠΈΠ΄ ΠΏΠ»Π°Π·ΠΌΠΈ, ΡΠΊΠ° ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΡΡ Π΄ΠΎ
Π·Π°ΠΊΠΎΡΠ°ΡΠ΅Π½Π½Ρ ΠΌΠ°Π³Π½ΡΡΠ½ΠΎ-ΡΠ·ΠΎΠ»ΡΠΎΠ²Π°Π½ΠΎΠ³ΠΎ Π΄ΡΠΎΠ΄Π°.Π ΠΏΠ΅ΡΠ²ΠΎΠΉ ΡΠ΅ΠΊΡΠΈΠΈ Π΄Π²ΡΡ
ΡΠ΅ΠΊΡΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΊΠΎΠ»Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΡΡΠΊΠΎΡΠΈΡΠ΅Π»Ρ ΠΈΠΎΠ½ΠΎΠ² ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½Ρ ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΡ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ²
ΡΠΈΠ»ΡΠ½ΠΎΡΠΎΡΠ½ΠΎΠ³ΠΎ ΡΠ΅Π»ΡΡΠΈΠ²ΠΈΡΡΡΠΊΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΏΡΡΠΊΠ° (Π ΠΠ), ΡΠ²Π»ΡΡΡΠ΅Π³ΠΎΡΡ Π³Π»Π°Π²Π½ΡΠΌ ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠΌ ΠΊΠΎΠ½ΡΠ΅ΠΏΡΠΈΠΈ
ΡΡΠΊΠΎΡΠΈΡΠ΅Π»Ρ ΠΈΠΎΠ½ΠΎΠ². ΠΡΠΎΠ²Π΅Π΄Π΅Π½Ρ ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΡΠΎΡ
ΠΎΠΆΠ΄Π΅Π½ΠΈΡ ΡΠΎΠΊΠ° Π ΠΠ ΡΠ΅ΡΠ΅Π· ΠΌΠ΅ΡΠ°Π»Π»ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠΎΠ»ΡΠ³ΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΠΎΠΉ ΡΠΎΠ»ΡΠΈΠ½Ρ. ΠΠΎ ΠΏΠΎΠ»ΡΡΠ΅Π½Π½ΠΎΠΉ Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΎΡΠ»Π°Π±Π»Π΅Π½ΠΈΡ ΡΠΎΠΊΠ° ΠΏΡΡΠΊΠ° ΠΎΡ ΡΠΎΠ»ΡΠΈΠ½Ρ ΡΠΎΠ»ΡΠ³ΠΈ ΠΈ
ΠΊΠ°Π»ΠΈΠ±ΡΠΎΠ²ΠΎΡΠ½ΡΡ
ΠΊΡΠΈΠ²ΡΡ
(ΡΠ°Π±Π»ΠΈΡ) Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ Π΄Π»ΠΈΠ½ ΡΠΎΡΠΌΠΎΠΆΠ΅Π½ΠΈΡ ΠΎΡ ΡΠ½Π΅ΡΠ³ΠΈΠΈ ΡΠ°ΡΡΠΈΡ, ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π° ΡΡΠ½ΠΊΡΠΈΡ ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ»Π΅ΠΊΡΡΠΎΠ½ΠΎΠ² Π ΠΠ ΠΏΠΎ ΡΠ½Π΅ΡΠ³ΠΈΠΈ Π² Π²ΠΈΠ΄Π΅ Π³ΠΈΡΡΠΎΠ³ΡΠ°ΠΌΠΌΡ. ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ Π²ΠΈΠ΄ ΠΏΠ»Π°Π·ΠΌΡ, ΠΏΡΠΈΠ²ΠΎΠ΄ΡΡΠ΅ΠΉ ΠΊ Π·Π°ΠΊΠΎΡΠ°ΡΠΈΠ²Π°Π½ΠΈΡ ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎ-ΠΈΠ·ΠΎΠ»ΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ Π΄ΠΈΠΎΠ΄Π°
Ions acceleration in a temporary and spatially modulated intense REB
The conception, proposed by Lymar, Khizhnyak, and Belikov, to use collective electromagnetic fields of space
charge excited in high-current relativistic electron beam (REB), modulated in time and space, have been experimentally investigated. At plasma assistance the low frequency oscillations of 46 MHz are excited in the overcritical
REB. The flow of CβΊ ions accelerated by the space charge field of virtual cathode up to 500 keV with density of
6Γ10βΆ cmβ»Β³ was formed. The fluence of ions on the collector during the ion pulse has the value 5Γ10β· particles/cmΒ². The
periodic magnetic field with 12% modulation was created by a sequence of aluminum and iron rings. After acceleration in the section with temporary and spatially modulated REB ions achieved energy 1.5 MeV and ion current 1 A.ΠΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΠΎ Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π° Π·Π°ΠΏΡΠΎΠΏΠΎΠ½ΠΎΠ²Π°Π½Π° Π₯ΠΈΠΆΠ½ΡΠΊΠΎΠΌ Ρ ΡΠ½Ρ. ΠΊΠΎΠ½ΡΠ΅ΠΏΡΡΡ Π²ΠΈΠΊΠΎΡΠΈΡΡΠ°Π½Π½Ρ ΠΊΠΎΠ»Π΅ΠΊΡΠΈΠ²Π½ΠΈΡ
Π΅Π»Π΅ΠΊΡΡΠΎΠΌΠ°Π³Π½ΡΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΡΠ² ΠΏΡΠΎΡΡΠΎΡΠΎΠ²ΠΎΠ³ΠΎ Π·Π°ΡΡΠ΄Ρ Π² ΡΠΈΠ»ΡΠ½ΠΎΡΡΡΡΠΌΠΎΠ²ΠΎΠΌΡ Π ΠΠ, ΠΌΠΎΠ΄ΡΠ»ΡΠΎΠ²Π°Π½ΠΎΠΌΡ Π² ΡΠ°ΡΡ ΡΠ° ΠΏΡΠΎΡΡΠΎΡΡ.ΠΠ°ΡΠ²Π½ΡΡΡΡ Π²ΡΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠΎΠ΄Ρ ΡΠ° ΠΏΠ»Π°Π·ΠΌΠΎΠ²ΠΎΠ³ΠΎ Π΄ΠΆΠ΅ΡΠ΅Π»Π° Π΄ΠΎΠ·Π²ΠΎΠ»ΠΈΠ»ΠΈ ΠΏΡΠΎΠΌΠΎΠ΄ΡΠ»ΡΠ²Π°ΡΠΈ Π ΠΠ Π½Π° ΡΠ°ΡΡΠΎΡΡ 46 ΠΠΡ Ρ
ΠΏΡΠΈΡΠΊΠΎΡΠΈΡΠΈ ΡΠΎΠ½ΠΈ CβΊ Π΄ΠΎ 500 ΠΊΠ΅Π. Π Π΄ΡΡΠ³ΡΠΉ ΡΠ΅ΠΊΡΡΡ, ΡΠΎ ΡΠΊΠ»Π°Π΄Π°ΡΡΡΡΡ ΡΠ· 9 Π·ΠΌΡΠ½Π½ΠΈΡ
ΠΏΠ΅ΡΡΠΎΠ΄ΡΠ² ΠΌΠ°Π³Π½ΡΡΠ½ΠΎΠ³ΠΎ ΠΏΠΎΠ»Ρ, ΡΡ ΡΠΎΠ½ΠΈ
Π΄ΠΎΡΡΠ³Π°Π»ΠΈ Π΅Π½Π΅ΡΠ³ΡΡ 1.5 ΠΠ΅Π ΠΏΡΠΈ ΡΡΡΡΠΌΡ 1 Π.ΠΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½Π° ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½Π°Ρ Π₯ΠΈΠΆΠ½ΡΠΊΠΎΠΌ ΠΈ Π΄Ρ. ΠΊΠΎΠ½ΡΠ΅ΠΏΡΠΈΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ ΠΊΠΎΠ»Π»Π΅ΠΊΡΠΈΠ²Π½ΡΡ
ΡΠ»Π΅ΠΊΡΡΠΎΠΌΠ°Π³Π½ΠΈΡΠ½ΡΡ
ΠΏΠΎΠ»Π΅ΠΉ ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π΅Π½Π½ΠΎΠ³ΠΎ Π·Π°ΡΡΠ΄Π° Π² ΡΠΈΠ»ΡΠ½ΠΎΡΠΎΡΠ½ΠΎΠΌ Π ΠΠ, ΠΌΠΎΠ΄ΡΠ»ΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠΌ Π²ΠΎ Π²ΡΠ΅ΠΌΠ΅Π½ΠΈ ΠΈ
ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π΅. ΠΠ°Π»ΠΈΡΠΈΠ΅ Π²ΠΈΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠΎΠ΄Π° ΠΈ ΠΏΠ»Π°Π·ΠΌΠ΅Π½Π½ΠΎΠ³ΠΎ ΠΈΡΡΠΎΡΠ½ΠΈΠΊΠ° ΠΏΠΎΠ·Π²ΠΎΠ»ΠΈΠ»ΠΈ ΠΏΡΠΎΠΌΠΎΠ΄ΡΠ»ΠΈΡΠΎΠ²Π°ΡΡ Π ΠΠ Π½Π°
ΡΠ°ΡΡΠΎΡΠ΅ 46 ΠΠΡ ΠΈ ΡΡΠΊΠΎΡΠΈΡΡ ΠΈΠΎΠ½Ρ CβΊ Π΄ΠΎ 500 ΠΊΡΠ. ΠΠΎ Π²ΡΠΎΡΠΎΠΉ ΡΠ΅ΠΊΡΠΈΠΈ, ΡΠΎΡΡΠΎΡΡΠ΅ΠΉ ΠΈΠ· 9 ΠΏΠ΅ΡΠ΅ΠΌΠ΅Π½Π½ΡΡ
ΠΏΠ΅ΡΠΈΠΎΠ΄ΠΎΠ²
ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎΠ³ΠΎ ΠΏΠΎΠ»Ρ, ΡΡΠΈ ΠΈΠΎΠ½Ρ ΡΡΠΊΠΎΡΡΠ»ΠΈΡΡ Π΄ΠΎ ΡΠ½Π΅ΡΠ³ΠΈΠΈ 1.5 ΠΡΠ ΠΏΡΠΈ ΡΠΎΠΊΠ΅ 1 Π
Formation of periodical magnetic fields by sequence of rings with different electric and magnetic properties
The electrodynamics analysis of topography of magnetic fields originating in spatially periodic system is carried
out. The system under investigation is the solenoid inside which rings made from materials differ in electric and
magnetic properties are periodically placed. The system of equations connecting amplitudes of spatial harmonics of
the field is obtained. This system is parsed numerically. Requirements are determined when in the spatial structure
of a magnetic field the dominating role is played by the main harmonic. The amplitudes of longitudinal and transverse components of the modulated magnetic field as a function of the ring sizes, current frequency, magnetic and
electric properties of rings materials are investigated. The amplitudes of the fields obtained in the full electrodynamics consideration are compared with the amplitudes of a periodic magnetic field, obtained in an impedance approximation.Π£ ΡΠΎΠ±ΠΎΡΡ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½ΠΎ Π΅Π»Π΅ΠΊΡΡΠΎΠ΄ΠΈΠ½Π°ΠΌΡΡΠ½ΠΈΠΉ ΡΠΎΠ·ΡΠ°Ρ
ΡΠ½ΠΎΠΊ ΡΠΎΠΏΠΎΠ³ΡΠ°ΡΡΡ ΠΏΠΎΡΡΡΠΉΠ½ΠΈΡ
ΠΌΠ°Π³Π½ΡΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΡΠ², ΡΠΎ Π²ΠΈΠ½ΠΈΠΊΠ°ΡΡΡ
Ρ ΠΏΡΠΎΡΡΠΎΡΠΎΠ²ΠΎ-ΠΏΠ΅ΡΡΠΎΠ΄ΠΈΡΠ½ΡΠΉ ΡΠΈΡΡΠ΅ΠΌΡ, ΡΠΊΠ° ΡΠ²Π»ΡΡ ΡΠΎΠ±ΠΎΡ ΡΠΎΠ»Π΅Π½ΠΎΡΠ΄, ΠΏΠ΅ΡΡΠΎΠ΄ΠΈΡΠ½ΠΎ Π½Π°Π²Π°Π½ΡΠ°ΠΆΠ΅Π½ΠΈΠΉ ΠΊΡΠ»ΡΡΡΠΌΠΈ Π· ΡΡΠ·Π½ΠΈΠΌΠΈ
Π΅Π»Π΅ΠΊΡΡΠΈΡΠ½ΠΈΠΌΠΈ ΡΠ° ΠΌΠ°Π³Π½ΡΡΠ½ΠΈΠΌΠΈ Π²Π»Π°ΡΡΠΈΠ²ΠΎΡΡΡΠΌΠΈ.ΠΡΠΎΠ²Π΅Π΄Π΅Π½ ΡΠ»Π΅ΠΊΡΡΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠΉ ΡΠ°ΡΡΠ΅Ρ ΡΠΎΠΏΠΎΠ³ΡΠ°ΡΠΈΠΈ ΠΏΠΎΡΡΠΎΡΠ½Π½ΡΡ
ΠΌΠ°Π³Π½ΠΈΡΠ½ΡΡ
ΠΏΠΎΠ»Π΅ΠΉ, ΡΠΎΠ·Π΄Π°Π²Π°Π΅ΠΌΡΡ
Π² ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π΅Π½Π½ΠΎ-ΠΏΠ΅ΡΠΈΠΎΠ΄ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΠ΅, ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»ΡΡΡΠ΅ΠΉ ΡΠΎΠ±ΠΎΠΉ ΡΠΎΠ»Π΅Π½ΠΎΠΈΠ΄, Π²Π½ΡΡΡΠΈ ΠΊΠΎΡΠΎΡΠΎΠ³ΠΎ ΠΏΠ΅ΡΠΈΠΎΠ΄ΠΈΡΠ΅ΡΠΊΠΈ ΡΠ°Π·ΠΌΠ΅ΡΠ°ΡΡΡΡ ΠΊΠΎΠ»ΡΡΠ° ΠΈΠ· ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ² Ρ ΡΠ°Π·Π»ΠΈΡΠ½ΡΠΌΠΈ ΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΠΌΠΈ ΠΈ ΠΌΠ°Π³Π½ΠΈΡΠ½ΡΠΌΠΈ ΡΠ²ΠΎΠΉΡΡΠ²Π°ΠΌΠΈ
Experimental investigations of interaction of supercritical electron beams with plasma
The first section of the collective ions acceleration based on simultaneous temporal and spatial modulation of relativistic electron beam (REB) was studied experimentally. The virtual cathode was originated in the electrodynamic structure consisting of two tubes with different diameters (jump of electrodynamics) by REB, produced in magnetically insulated diode. At plasma assistance the low-frequency oscillations of REB current and the low-frequency microwave radiation were obtained due to the virtual cathode periodical relaxation in the processes of charge compensation by ionized residual gas
Low-frequency REB modulation and acceleration of ions in a supercritical mode during plasma injection
Low-frequency modulation of a high-current relativistic electron beam (REB) and acceleration of ions in the first
section of a collective ion accelerator was studied experimentally. Low frequency modulation of supercritical high-REB
was obtained due to periodic compensation of a virtual cathode charge by plasma ions. An ion flow was produced by an
electric field of virtual cathode when plasma assists. Plasma was formed by the four Bostick plasma guns placed at equal
distances along the periphery of the drift chamber. The low-frequency modulation with depth 10 % at frequency 46 MHz
was obtained. The ion energy was measured using the magnetic analyzer. The ion energy that probably was obtained in
the potential well of the virtual cathode exceeded the REB energy.ΠΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΠΎ Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π° Π½ΠΈΠ·ΡΠΊΠΎΡΠ°ΡΡΠΎΡΠ½Π° ΠΌΠΎΠ΄ΡΠ»ΡΡΡΡ ΡΠΈΠ»ΡΠ½ΠΎΡΡΡΡΠΌΠΎΠ²ΠΎΠ³ΠΎ ΡΠ΅Π»ΡΡΠΈΠ²ΡΡΡΡΡΠΊΠΎΠ³ΠΎ
Π΅Π»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΏΡΡΠΊΠ° (Π ΠΠ) ΡΠ° ΠΏΡΠΈΡΠΊΠΎΡΠ΅Π½Π½Ρ ΡΠΎΠ½ΡΠ² Π² ΠΏΠ΅ΡΡΡΠΉ ΡΠ΅ΠΊΡΡΡ Π΄Π²ΠΎΡ
ΡΠ΅ΠΊΡΡΠΉΠ½ΠΎΠ³ΠΎ ΠΊΠΎΠ»Π΅ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΏΡΠΈΡΠΊΠΎΡΡΠ²Π°ΡΠ°
ΡΠΎΠ½ΡΠ². ΠΠΈΠ·ΡΠΊΠΎΡΠ°ΡΡΠΎΡΠ½Π° ΠΌΠΎΠ΄ΡΠ»ΡΡΡΡ Π½Π°Π΄ΠΊΡΠΈΡΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠΈΠ»ΡΠ½ΠΎΡΡΡΡΠΌΠΎΠ²ΠΎΠ³ΠΎ Π ΠΠ Π·Π΄ΡΠΉΡΠ½Π΅Π½Π° ΠΏΠ΅ΡΡΠΎΠ΄ΠΈΡΠ½ΠΎΡ
ΠΊΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΡΡΡ Π²ΡΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠΎΠ΄Π° ΡΠΎΠ½Π°ΠΌΠΈ ΠΏΠ»Π°Π·ΠΌΠΈ. ΠΠΎΠ½Π½ΠΈΠΉ ΠΏΠΎΡΡΠΊ ΡΡΠΎΡΠΌΠΎΠ²Π°Π½ΠΈΠΉ Π΅Π»Π΅ΠΊΡΡΠΈΡΠ½ΠΈΠΌ ΠΏΠΎΠ»Π΅ΠΌ
Π²ΡΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠΎΠ΄Π°. ΠΠ»Π°Π·ΠΌΠ° ΡΡΠ²ΠΎΡΠ΅Π½Π° ΡΠΎΡΠΈΡΠΌΠ° ΠΏΠ»Π°Π·ΠΌΠΎΠ²ΠΈΠΌΠΈ ΠΏΡΡΠΊΠ°ΠΌΠΈ Π±ΠΎΡΡΡΠΊΠΎΠ²ΡΡΠΊΠΎΠ³ΠΎ ΡΠΈΠΏΡ, ΡΠΎΠ·ΠΌΡΡΠ΅Π½ΠΈΠΌΠΈ
ΡΡΠ²Π½ΠΎΠΌΡΡΠ½ΠΎ ΠΏΠΎ ΠΏΠ΅ΡΠΈΡΠ΅ΡΡΡ ΠΊΠ°ΠΌΠ΅ΡΠΈ Π΄ΡΠ΅ΠΉΡΡ Π² ΠΎΠ±Π»Π°ΡΡΡ Π²ΡΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠΎΠ΄Π°. ΠΠΎΠ΄ΡΠ»ΡΡΡΡ Π ΠΠ Π· Π³Π»ΠΈΠ±ΠΈΠ½ΠΎΡ 10%
ΡΠ΅Π°Π»ΡΠ·ΠΎΠ²Π°Π½Π° Π½Π° ΡΠ°ΡΡΠΎΡΡ 46 ΠΠΡ. ΠΠ½Π΅ΡΠ³ΡΡ ΡΠΎΠ½ΡΠ² Π²ΠΈΠΌΡΡΡΠ½Π° Π·Π° Π΄ΠΎΠΏΠΎΠΌΠΎΠ³ΠΎΡ ΠΌΠ°Π³Π½ΡΡΠ½ΠΎΠ³ΠΎ Π°Π½Π°Π»ΡΠ·Π°ΡΠΎΡΠ°. ΠΠ½Π΅ΡΠ³ΡΡ ΡΠΎΠ½ΡΠ²,
ΡΠΊΠ° ΠΉΠΌΠΎΠ²ΡΡΠ½ΠΎ ΠΎΡΡΠΈΠΌΠ°Π½Π° Π² ΠΏΠΎΡΠ΅Π½ΡΡΠΉΠ½ΡΠΉ ΡΠΌΡ Π²ΡΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠΎΠ΄Ρ, ΠΏΠ΅ΡΠ΅Π²ΠΈΡΠΈΠ»Π° Π΅Π½Π΅ΡΠ³ΡΡ Π ΠΠ.ΠΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½Π° Π½ΠΈΠ·ΠΊΠΎΡΠ°ΡΡΠΎΡΠ½Π°Ρ ΠΌΠΎΠ΄ΡΠ»ΡΡΠΈΡ ΡΠΈΠ»ΡΠ½ΠΎΡΠΎΡΠ½ΠΎΠ³ΠΎ ΡΠ΅Π»ΡΡΠΈΠ²ΠΈΡΡΡΠΊΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΏΡΡΠΊΠ° (Π ΠΠ) ΠΈ ΡΡΠΊΠΎΡΠ΅Π½ΠΈΠ΅ ΠΈΠΎΠ½ΠΎΠ² Π² ΠΏΠ΅ΡΠ²ΠΎΠΉ ΡΠ΅ΠΊΡΠΈΠΈ Π΄Π²ΡΡ
ΡΠ΅ΠΊΡΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΊΠΎΠ»Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΡΡΠΊΠΎΡΠΈΡΠ΅Π»Ρ ΠΈΠΎΠ½ΠΎΠ². ΠΠΈΠ·ΠΊΠΎΡΠ°ΡΡΠΎΡΠ½Π°Ρ ΠΌΠΎΠ΄ΡΠ»ΡΡΠΈΡ ΡΠ²Π΅ΡΡ
ΠΊΡΠΈΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΈΠ»ΡΠ½ΠΎΡΠΎΡΠ½ΠΎΠ³ΠΎ Π ΠΠ ΠΎΡΡΡΠ΅ΡΡΠ²Π»Π΅Π½Π° ΠΏΠ΅ΡΠΈΠΎΠ΄ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΊΠΎΠΌΠΏΠ΅Π½ΡΠ°ΡΠΈΠ΅ΠΉ
Π²ΠΈΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠΎΠ΄Π° ΠΈΠΎΠ½Π°ΠΌΠΈ ΠΏΠ»Π°Π·ΠΌΡ. ΠΠΎΠ½Π½ΡΠΉ ΠΏΠΎΡΠΎΠΊ ΡΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ ΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΠΌ ΠΏΠΎΠ»Π΅ΠΌ Π²ΠΈΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠΎΠ΄Π°. ΠΠ»Π°Π·ΠΌΠ° ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½Π° ΡΠ΅ΡΡΡΡΠΌΡ ΠΏΠ»Π°Π·ΠΌΠ΅Π½Π½ΡΠΌΠΈ ΠΏΡΡΠΊΠ°ΠΌΠΈ Π±ΠΎΡΡΠΈΠΊΠΎΠ²ΡΠΊΠΎΠ³ΠΎ ΡΠΈΠΏΠ°, ΡΠ°ΡΠΏΠΎΠ»ΠΎΠΆΠ΅Π½Π½ΡΠΌΠΈ ΡΠ°Π²Π½ΠΎΠΌΠ΅ΡΠ½ΠΎ
ΠΏΠΎ ΠΏΠ΅ΡΠΈΡΠ΅ΡΠΈΠΈ ΠΊΠ°ΠΌΠ΅ΡΡ Π΄ΡΠ΅ΠΉΡΠ° Π² ΠΎΠ±Π»Π°ΡΡΠΈ Π²ΠΈΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠΎΠ΄Π°. ΠΠΎΠ΄ΡΠ»ΡΡΠΈΡ Π ΠΠ Ρ Π³Π»ΡΠ±ΠΈΠ½ΠΎΠΉ 10% ΠΎΡΡΡΠ΅ΡΡΠ²Π»Π΅Π½Π° Π½Π° ΡΠ°ΡΡΠΎΡΠ΅ 46 ΠΠΡ. ΠΠ½Π΅ΡΠ³ΠΈΡ ΠΈΠΎΠ½ΠΎΠ² ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½Π° Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π°ΡΠΎΡΠ°. ΠΠ½Π΅ΡΠ³ΠΈΡ ΠΈΠΎΠ½ΠΎΠ², ΠΊΠΎΡΠΎΡΠ°Ρ
Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎ ΠΏΠΎΠ»ΡΡΠ΅Π½Π° Π² ΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π»ΡΠ½ΠΎΠΉ ΡΠΌΠ΅ Π²ΠΈΡΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΡΠΎΠ΄Π°, ΠΏΡΠ΅Π²ΡΡΠΈΠ»Π° ΡΠ½Π΅ΡΠ³ΠΈΡ Π ΠΠ