Fiber Optic Study Guide Questions And Answers with Complete Solutions, Exams of Advanced Education

Download Fiber Optic Study Guide Questions And Answers with Complete Solutions and more Exams Advanced Education in PDF only on Docsity! Fiber Optic Study Guide Questions And Answers with Complete Solutions Light is electromagnetic energy with a _______ frequency and a _______ wavelength compared to radios - Correct Answer- Higher and Shorter What type of light is used in Fiber Optic transmissions? - Correct Answer-Infrared (IR) What are the 4 items needed for a fiber optic system to work? - Correct Answer-Transmitter Fiber Optic Cable Receiver Connector 1 mW is the same as what in dBM? - Correct Answer-0 dBM How is the power measured in Fiber optics? - Correct Answer- dBM What fiber optic wavelength has the lowest loss? - Correct Answer-1550 nm What wavelengths windows are used most for communication in optical fibers? - Correct Answer-1300, 1550, 850 What year was fiber optic cable first used in commercial telephone systems in the U.S.? - Correct Answer-1977 What light source is used for single mode fiber? - Correct Answer-Laser-diode What two light sources are used with multimode fiber? - Correct Answer-LED and VCSEL All wavelengths of light travel at the same speed. True o False. Why? - Correct Answer-False, Different wavelengths of light travel at different velocities Which type of fiber has the larger core size? Single mode or multimode? - Correct Answer-Multimode