(b) (i) A long single mode optical fiber has an attenuation of 0.40 dBkm when operating...
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(b) (i) A long single mode optical fiber has an attenuation of 0.40 dBkm¹ when operating at a wavelength of 1.55 μm. The fiber core diameter is 6 pm and the laser source bandwidth is 500 MHz. Determine the threshold optical power for stimulated Raman scattering. (ii) List the characteristic of the optical attenuators. Evaluate the output power at Tap port in the coupler shown in Figure Q2(b). Splitting ration of each coupler = 9:1. Input power =1mW Connector loss = 0.2 dB Excess loss 0.3 dB Throughout power Tap power Workstation 1 Figure Q2(b) [6] [4] [10] (b) (i) A long single mode optical fiber has an attenuation of 0.40 dBkm¹ when operating at a wavelength of 1.55 μm. The fiber core diameter is 6 pm and the laser source bandwidth is 500 MHz. Determine the threshold optical power for stimulated Raman scattering. (ii) List the characteristic of the optical attenuators. Evaluate the output power at Tap port in the coupler shown in Figure Q2(b). Splitting ration of each coupler = 9:1. Input power =1mW Connector loss = 0.2 dB Excess loss 0.3 dB Throughout power Tap power Workstation 1 Figure Q2(b) [6] [4] [10]
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The formula for the threshold power Pt for SRS is Pt 283 103 d2 lambda2 ... View the full answer
Related Book For
Solid State Materials Chemistry
ISBN: 9780521873253
1st Edition
Authors: Patrick M. Woodward, Pavel Karen, John S. O. Evans, Thomas Vogt
Posted Date:
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