saturable absorption


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saturable absorption

[′sach·rə·bəl ab′sȯrp·shən]
(optics)
A decrease in the absorption coefficient of certain nonlinear materials at high intensities in the incident radiation.
References in periodicals archive ?
This indicates the reverse saturable absorption (RSA) type of process.
The two pulse narrowing mechanisms are active gain modulation and saturable absorption.
Monolithic cavity devices with gain, gain modulation and saturable absorption functions integrated on a single semiconductor chip are easy-to-use.
g], then the absorption process is referred to as reverse saturable absorption (RSA) (32-34).
The absorption may be clue to two photon absorption (TPA), excited state absorption (ESA), reverse saturable absorption (RSA), etc.
g], of the copolymer indicates that the operating nonlinear mechanism is reverse saturable absorption (RSA) (15).
We attribute the optical power limiting of the copolymer to reverse saturable absorption.