Fascination About Laser Crystal
Fascination About Laser Crystal
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These tables incorporate only the most common host crystals; a lot of Other individuals exist, that happen to be a lot less usually used.
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为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping focus from the gain medium are most beneficial depend on various elements. The obtainable pump resource (type of laser diode or lamp) as well as the envisaged pumping arrangement are important components, but the material alone also has some influence. By way of example, titanium–sapphire lasers need to be pumped with higher intensities, for which the shape of the transversely cooled rod, operated with reasonably tiny pump and laser beam diameter, is a lot more ideal than e.
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活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
The maximum feasible doping concentration can rely strongly over the host material and its fabrication technique.
A couple of laser crystal resources are shown exactly where some saturable absorber product is integrated for passive Q switching of the laser.
激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。
For quasi-three-degree laser achieve media or simply three-level achieve media, a person normally ought to Restrict the size to a price and that is too brief for effective pump absorption, as reabsorption results would normally spoil the functionality. For aspect pumping, added issues appear into Enjoy; Aside from successful pump absorption, it is crucial to get an appropriate spatial shape from the gain profile.
主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
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It might be oriented for close to perpendicular incidence of the laser beam, or at Brewster's angle. It might be fixed in some strong mount which also functions like a warmth sink. Larger sized crystals are often utilized for side pumping e.g. with high-electricity diode bars.
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