RP Photonics

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The Photonics Quiz

Test yourself by solving a set of questions concerning laser technology, optical fibers, and nonlinear optics! The following questions are mostly solvable by using the Encyclopedia of Laser Physics and Technology. Note that in some cases more than one answer is correct.

Question 4

Why does the use of a laser crystal with a very broad wavelength tuning range typically lead to a high laser threshold?

(a) because a broad emission bandwith leads to strong ASE

(b) because a broad emission bandwith leads to a smaller σ–τ product

(c) because the broad bandwidth results from microscopic disorder, which increases scattering losses

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