Posts Tagged ‘OPTICAL SOURCES- LED AND LASER DIODES’

• Optical Sources – LED and Laser Diodes

  Jun 21, 13 • 3838 Views • Notes • Top Coaching Institute • 3 Comments

  Optical Sources – LED and Laser Diodes LED STRUCTURE – They can be seen glowing green, yellow or red in vehicles, telephones, cameras. – They are inexpensive and highly reliable light sources. – The LED used in optical communications