Computers and Technology

An optical fibre has an attenuation of 0.3 dB/km. If a laser launches an optical power level of PIN (mW) into 35 km length of this fibre, at what distances will the power have dropped to: (a) 75%

(b) 50%

(c) 25%

(d) 12.5%

(e) 6.25%

of the input power level? Plot these points on a graph of P IN/P OUT versus distance along the fibre.

answer
Answers: 1

Other questions on the subject: Computers and Technology

image
Computers and Technology, 22.06.2019 23:30, ansonhunter8891
What are listed in the vertical columns across the top of the event editor? a. file names b. conditions c. check marks d. action types
Answers: 1
image
Computers and Technology, 23.06.2019 09:20, lovely222
How to print: number is equal to: 1 and it is odd number number is equal to: 2 and it is even number number is equal to: 3 and it is odd number number is equal to: 4 and it is even number in the console using java using 1 if statement, 1 while loop, 1 else loop also using % to check odds and evens
Answers: 3
image
Computers and Technology, 23.06.2019 16:00, keyonaemanieevans
Helen is having a meeting with her colleagues in her company. they are working on the goals and objectives for the coming year. they want to ensure that these goals and objectives of the processes involved are properly evaluated. which system can helen and her colleagues apply to evaluate this? helen and her colleagues require a blank to evaluate the goals and objectives.
Answers: 2
image
Computers and Technology, 23.06.2019 21:40, minnie7760
Draw the resistor’s voltage and current phasors at t=15ms. draw the vectors with their tails at the origin. the orientation of your vectors will be graded. the exact length of your vectors will not be graded.
Answers: 2
Do you know the correct answer?
An optical fibre has an attenuation of 0.3 dB/km. If a laser launches an optical power level of PIN...

Questions in other subjects:

Konu
English, 21.11.2020 08:30
Konu
Arts, 21.11.2020 08:30