An all-solid-state laser is a laser that relies on solid-state components not only in terms of gain medium, but also in terms of pump source. This type of laser uses a solid-state laser (bulk or fiber laser) pumped by a laser diode (diode-pumped laser), or a pure semiconductor laser. Excludes, for example: lamp-pumped lasers, dye lasers, and gas lasers.
For many practical laser applications, all-solid-state lasers are preferred, as they can have a rugged and compact characteristic, relatively high wall insertion efficiency and correspondingly low cooling requirements, and a long service life. For example, they also often exhibit lower laser noise than lamp-pumped lasers.
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