Science, asked by sandyg2797, 7 months ago

A GaAs laser operating at a center wavelength of 800nm has a 400 micron cavity length and has a refractive index of 3.6. If the gain exceeds the total loss only in the region 750nm << 850nm ,how many longitudinal modes are possible in this laser?

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Answered by yuvasujithbabu123

Answer:

b) Calculate ∆λ for a lasing emission from a He-Ne laser that has λ₀ = 632.8 nm ... spontaneous emission in the absence of any photon losses. ... If the semiconductor refractive index is.

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A GaAs laser operating at a center wavelength of 800nm has a 400 micron cavity length and has a refractive index of 3.6. If the gain exceeds the total loss only in the region 750nm << 850nm ,how many longitudinal modes are possible in this laser?​

Answers

A GaAs laser operating at a center wavelength of 800nm has a 400 micron cavity length and has a refractive index of 3.6. If the gain exceeds the total loss only in the region 750nm << 850nm ,how many longitudinal modes are possible in this laser?