Radio Frequency Light Sources
#1

Definition

RF light sources follow the same principles of converting electrical power into visible radiation as conventional gas discharge lamps. The fundamental difference between RF lamps and conventional lamps is that RF lamps operate without electrodes .the presence of electrodes in conventional florescent and High Intensity Discharge lamps has put many restrictions on lamp design and performance and is a major factor limiting lamp life.

Recent progress in semiconductor power switching electronics, which is revolutionizing many factors of the electrical industry, and a better understanding of RF plasma characteristics, making it possible to drive lamps at high frequencies.The very first proposal for RF lighting, as well as the first patent on RF lamps, appeared about 100years ago, a half century before the basic principles lighting technology based on gas discharge had been developed.

Discharge tubes
Discharge Tube is the device in which a gas conducting an electric current emits visible light. It is usually a glass tube from which virtually all the air has been removed (producing a near vacuum), with electrodes at each end. When a high-voltage current is passed between the electrodes, the few remaining gas atoms (or some deliberately introduced ones) ionize and emit coloured light as they conduct the current along the tube. T

he light originates as electrons change energy levels in the ionized atoms. By coating the inside of the tube with a phosphor, invisible emitted radiation (such as ultraviolet light) can produce visible light; this is the principle of the fluorescent lamp. We will consider different kinds of RF discharges and their advantages and restrictions for lighting applications.
Reply
#2
plz snd me full report
Reply
#3
Hi,
visit these threads for the full report and ppt:
http://studentbank.in/report-radio-frequ...13#pid8313
http://studentbank.in/report-radio-frequ...ull-report
Reply

Important Note..!

If you are not satisfied with above reply ,..Please

ASK HERE

So that we will collect data for you and will made reply to the request....OR try below "QUICK REPLY" box to add a reply to this page
Popular Searches: side effects from radio frequency, radio frequency assisted lipoplasty, sourcesradio frequency, radio frequency chart, radio frequency light source, radio frequency bandwidth, application of radio frequency light source,

[-]
Quick Reply
Message
Type your reply to this message here.

Image Verification
Please enter the text contained within the image into the text box below it. This process is used to prevent automated spam bots.
Image Verification
(case insensitive)

Possibly Related Threads...
Thread Author Replies Views Last Post
  Radio Network Controller computer science crazy 4 4,688 22-12-2012, 10:52 AM
Last Post: seminar details
Big Grin HVDC TECHNOLOGY AND SHORT CIRCUIT CONTRIBUTION OF HVDC LIGHT? seminar projects crazy 6 7,455 13-12-2012, 12:58 PM
Last Post: seminar details
  HVDC LIGHT CITY INFEED WITH HVDC LIGHT AND EXTRUDED CABLES project topics 1 2,683 13-12-2012, 12:52 PM
Last Post: seminar details
  Terrestrial Trunked Radio (TETRA) computer science crazy 6 8,641 26-11-2012, 02:00 PM
Last Post: seminar details
  RADIO NETWORK CONTROLLER FOR 3G MOBILE AND WIRELESS NETWORK project report helper 3 3,827 16-11-2012, 12:58 PM
Last Post: seminar details
  Variable Voltage And Variable Frequency drives full report seminar presentation 2 5,640 04-10-2012, 12:20 PM
Last Post: seminar details
  Design and Application of Radio Frequency Identification Systems computer girl 0 1,190 09-06-2012, 04:15 PM
Last Post: computer girl
  Organic Light Emitting Diodes (OLED) computer science crazy 4 3,921 15-03-2012, 10:06 AM
Last Post: seminar paper
  Residential Piezoelectric Energy Sources electronics seminars 1 2,249 14-03-2012, 01:27 PM
Last Post: seminar paper
  RENEWABLE ELECTRIC ENERGY SOURCES seminar class 2 4,075 14-03-2012, 12:33 PM
Last Post: seminar paper

Forum Jump: