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Sukhum Physics Technology Institute


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Beam-plasma Techniques



Main research areas


- Ionizing radiation source studies (neutrons, hard and soft X-ray, electron and ion beams) based on plasma focus
(Yн ~ I4 П , Yмри~ I(3…4) П , Yжри ~ I2П).

- Macroparticle acceleration studies (10-4…10-1г) in high-speed plasma flows

- Studies on material surface characteristic modification under high-speed plasma flow impact and ion beams (increase of microhardness, wearability and heat-resistance, resistance to corrosion and erosion, etc.).

- Design of multichannel laser interferometer based on HCN-laser.

- Studies of phenomena on wire electro blasting.




EXPERIMENTAL SET-UPS AT PLASMA-TECHNOLOGICAL RESEARCH DEPARTMENTOF "ERA-SPhTI"


- Gas-dynamic trap (GDL)

- Tokamak

- Plasma focus KPF-4 ("Pheonix")

- Pinch set-up "KP-1,6 M ОЭ

- Plasma-focus technological set-up "PFTU" ("KPF-3")

- U-100 Bench for development of ion sources and beam technologies.

- Bench for interferometer operation modelling based on HCN-laser

- Electric wire blasting set-up.



Gas-dynamic trap (GDL)


It is designed to develop basic physics of the powerful stationary source of neutrons based on gas-dynamic trap under high-frequency plasma heating. Axially symmetric Gas-dynamic trap:

Big plug proportion ≤ 60.

Length - 5 м.

Magnetic field in plugs ≤ 15 Т.

High frequency system capacity - 2 MWt,

frequency - 2…5 Mhz

Plasma injector:

- plasma gun,

- linear theta-pinch.



Tokamak "TMR"


Designed to develop the Alfven technique of plasma heating and generation of constant current in it. The key feature of "TMR" is a powerful extensive high frequency network (16 aerials) for generation of traveling Alfven waves. The "TMR"- Tokamak "T-4" set-up (used to run at Kurchatov Institute of Atomic Energy) in a significantly modernized version {1}.








1. Atomic science and technology issues, "Thermonuclear fusion" series, 1984, iss.4, pg. 12







Plasma focus KPF-4 ("Phoenix")


The set-up is designed to produce superdense plasma buildups - sources of powerful photon and corpuscle radiation flows - in a discharge device of coax geometry, for micrometeorite modeling and other technological developments.

Capacitor bank complete energy margin - 1.5 M Joyle.

Discharging circuit peak current (valuation) - ≥ 5 МА.














Pinch set-up "KP-1,6 MJ"::


a) Condensing collector, generating load current up to 10 МА.



b) Θ-pinch (load) coil: length- 2m, internal bore diameter - 11 cm



Plasma - focus Technological Set-up "PFTU". ("KPF").


The set-up has a discharge device of coax type. Designed to force with high-speed plasma flows on the material surface aiming to improve their operational characteristics (polishing, microhardness, wearability, resistance to corrosion, heat resistance, etc. The set-up generates plasma flows consisting of various plasma forming matters for the production of nitride, oxide, carbide nanopatterned films. Plasma velocity up to 107 cm/s, plasma density up to 1015 cm-3, electric to plasma energy conversion efficiency up to 85%.



Power supply link margin up to 10 kJ, peak current ~500 kA under condenser bank charge voltage 20 kV.






The device for interferometer operation modeling based on HCN-laser.


Designed to model the laser interferometer operation based on HCN-laser under conditions of plasma discharge simulation in thermonuclear experimental Tokamak set-ups. Allows operation.
Plasma density: 1012 cm-3 -10 16 cm-3 ;
Discharge time: ≤ 10 m sec.
Equipment configuration:
- vacuum discharge chamber of 90 mm in diameter and 800 mm long;
- wave-guide duct;
- HCN-laser;
- Wave processing quasi-optical desk;
- High frequency generator pulsed supply system;
- Generator lamp cooling system;
- Device vacuum system;
- System of working gas puffing into the discharge chamber;
- Device operating system.
A 3-channel interferometer based on HCN-laser (with laser output capacity of ~100 mWt) for operation on tokomak "Globus" was designed, manufactured and delivered to Ioffe Physico-Technical Institute of the Russian Academy of Science (in Saint-Petersburg).

Several science and application aspects of plasma-focus discharging usage


1. Formation

2. Fundamental studies

- *state of matter studies under magnetic fields and pressures of megagauss and megabar ranges, respectively;

- *plasma research under the temperature of ≤10keV and the particle density of ~1020…1022cm3;

- *space and astrophysical phenomena modeling;

- *generation process studies of high-intensity and high-bright sources of soft and hard X-rays.

3. Application fields:

- X-ray microlithography (plasma-focus set-ups are more simple and cheaper than synchrotron sources)

- Electron-beam lithography

- *Material surface property modification (plasma-beam implantation, filming and deposition)

- *Powerful pulse sources of hard ionizing radiation (neutron and X-ray), of electromagnetic emissions in a wide range of electromagnetic wave spectrum, of corpuscular beams (of ions and electrons)

- *High-speed (~108cm/s) plasma beam (jet) sources

- *Micrometeorite modeling (microparticle acceleration with m ≈ 10-1…10-3gr to the speed of ~10 km/s in a reusable set-up

- Run period of short-lived isotopes for emission-positron therapy (tomography);

- Nuclear burst simulation

- *Controlled nuclear fusion (CNF) project research




*-areas of research conducted only at "ERA-SPhTI" LTD




Address: Republic of Abkhazia 384964 Gulripsh Districts Agudzera 
e-mail:sfti-era@mail.ru