1 / 21

Everyday Light

Everyday Light. Optical emission. fluorescence. phosphorescence. Light bulb. Light bulb. Ne +. Ne. Neon light. Neon light. Neon light. Fluorescent lights. Fluorescent lights. Electrons flow through gas, ionizing the gas. Charged particles collide with gaseous mercury.

nura
Télécharger la présentation

Everyday Light

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Everyday Light

  2. Optical emission fluorescence phosphorescence

  3. Light bulb

  4. Light bulb

  5. Ne+ Ne Neon light

  6. Neon light

  7. Neon light

  8. Fluorescent lights

  9. Fluorescent lights Electrons flow through gas, ionizing the gas Charged particles collide with gaseous mercury Mercury becomes energetically excited Energy is emitted as UV photons UV photons excite phosphors on the inside of the tube phosphors emit fluorescence in the visible range

  10. Fluorescent light

  11. Zinc Sulfide Strontium Aluminate Bedroom stars

  12. Remote control

  13. Remote control LED: 980 nm

  14. Motion sensor

  15. Motion sensor

  16. Laser pointer

  17. Laser pointer

  18. Laser pointer

  19. Laser pointer

  20. Potassium Titanium oxide phosphate Neodymium:Vanadate Laser pointer Absorbs: around 800 nm Fluoresces: @ 1064 nm ‘divides’ wavelength by 2

  21. Laser pointer

More Related