Plasma Antenna Technology at College of Engineering, Perumon
The world of plasma antenna technology and its applications at College of Engineering, Perumon. Discover the unique characteristics, working principles, and various types of plasmas used in different scenarios. From artificially produced plasmas to astrophysical plasmas, delve into the fascinating realm of this fourth state of matter. Uncover the higher power, enhanced bandwidth, reconfiguration capabilities, and other advantages of plasma antennas. Gain insights into the working of plasma mirrors and the ionized regions they create for controlled beam deflection. Immerse yourself in the science and technology of plasmas for innovative advancements in engineering."
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Presentation Transcript
W E L C O M E COLLEGE OF ENGINEERING, PERUMON 1
PLASMA ANTENNA TECHNOLOGY COLLEGE OF ENGINEERING, PERUMON 2
S U B M I T T E D B Y NEETHA PONNU EC 7A ROLL NO:39 COLLEGE OF ENGINEERING, PERUMON 3
C O N T E N T S PLASMA PHYSICS COMMON PLASMAS UNIQUE FEATURES OF PLASMA ANTENNA WORKING STEALTH PULSED PLASMA ANTENNA ADVANTAGES DISADVANTAGES APPLICATIONS CONCLUSION COLLEGE OF ENGINEERING, PERUMON 4
P L A S M A P H Y S I C S Fourth state of matter Discovered by WILLIAM CROOKES Partially ionized gas Electrons free rather than being bound to atoms Electrically conductive. So respond to EM field Plasmas exist only when the gases they are made of is very hot COLLEGE OF ENGINEERING, PERUMON 5
ARTIFICIALLY PRODUCED PLASMAS Those found in plasma displays inside fluorescent lamps Rocket exhaust COLLEGE OF ENGINEERING, PERUMON 6
T E R R E S T R I A L P L A S M A S Those found in:- Lightning Ionosphere Elves Jets COLLEGE OF ENGINEERING, PERUMON 7
A S T R O P H Y S I C A L P L A S M A S Plasmas found in the Sun Stars Interplanetary space Interstellar space COLLEGE OF ENGINEERING, PERUMON 8
UNIQUE CHARACTERISTICS Higher power Enhanced bandwidth Reconfiguration and multifunctionality Lower noice Perfect reflector COLLEGE OF ENGINEERING, PERUMON 10
W O R K I N G Plasma when dense, acts as a conductor Antenna generates concentration of plasma to form plasma mirror A central field is located at the focus of mirror which deflects RF beam Ionized region produced by electronically controlled devices COLLEGE OF ENGINEERING, PERUMON 11
W O R K I N G Plasma moved by switching device on or off Reflectors- they become active one at a time Beams are steered without the need for mechanical motion SI disc act as lens to form reflector system that enable RF energy to be collimated When gas is not ionized element ceases to exist COLLEGE OF ENGINEERING, PERUMON 12
S T E A L T H New antenna made of plasma Vanishes when u turn off Important in battlefield Impervious to signal jamming COLLEGE OF ENGINEERING, PERUMON 14
P U L S E D P L A S M A A N T E N N A A method and device of energizing a plasma antenna using power from the discharge of an electro propulsion engine comprises of a propellant and feed system, a capacitor charging power processing unit and an energy storage capacitor COLLEGE OF ENGINEERING, PERUMON 15
energy is released over an electrode gap resultant ablation products are ionized and accelerated by an electromagnetic force, thereby producing a pulse. COLLEGE OF ENGINEERING, PERUMON 16
A D V A N T A G E S Reconfiguration Improved performance Stealthiness Good efficiency Portable, reliable COLLEGE OF ENGINEERING, PERUMON 17
D I S A D V A N T A G E S complexity of antenna design equipment for ionisation noise COLLEGE OF ENGINEERING, PERUMON 18
A P P L I C A T I O N S STEERABLE WIRELESS LAN MESH NETWORKS DEFENSE APPLICATIONS WiFi SECURITY COLLEGE OF ENGINEERING, PERUMON 19
C O N C L U S I O N the plasma antenna R&D project launched the technology attracted the intrest from diverse areas potential advantages for antenna design revolutionised antenna tecnology COLLEGE OF ENGINEERING, PERUMON 20
B I B L I O G R A P H Y www.livescience.com www.seminar.org www.wikipedia.com www.electronics4u.com www.dailywireless.com RADIO AND WAVE PROPOGATION-K.D.PRASAD COLLEGE OF ENGINEERING, PERUMON 21
T H A N K Y O U COLLEGE OF ENGINEERING, PERUMON 22
Q U E R I E S ? ? ? COLLEGE OF ENGINEERING, PERUMON 23
