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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 RP Photonics Encyclopedia. Note that in some cases more than one answer is correct.

Question 3

Quasi-three-level lasers are less power-efficient

(a) in any case, as the reabsorption on the laser transition wastes energy

(b) for low pump intensities

(c) for unidirectional pumping

(d) for too high doping concentration and/or a too long laser crystal

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