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The following figure shows the laser spectrum for ________

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The following figure shows the laser spectrum for ________

(a) CO2 Laser

(b) Fabry-Pot Semiconductor Laser

(c) DFB semiconductor laser

(d) FBG semiconductor laser

I had been asked this question by my school teacher while I was bunking the class.

The doubt is from Carbon Dioxide Laser and Semiconductor Laser topic in portion Laser of Engineering Physics II

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Right option is (b) Fabry-Pot Semiconductor Laser

Easy explanation: Fabry-Pot semiconductor laser is a type of semiconductor laser which is characterized by the use of the cleavage plane of a laser crystal for reflection of the light emitted in the active layer. It’s lasing spectrum observed is as shown in the figure.

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