1. How short-pulse lasers work
The short-pulse lasers discussed in this article are solid-state lasers:
fiber lasers ;
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doped crystal or glass lasers in bulk state or in thin layers of varying thicknesses.
These lasers operate in pulsed mode, using a material known as a "passive saturable absorber".
A passive saturable absorber is a material that rapidly blocks and releases the energy flowing through a laser cavity without the need for other mechanisms or electronic devices, such as :
the simple saturation of the absorption of the medium in question;
self-modulation of the resulting intracavity optical losses.
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How short-pulse lasers work
Passive saturable absorbers
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