A Simple Key For Laser Crystal Unveiled
A Simple Key For Laser Crystal Unveiled
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Laser modeling and simulation may be used to reliably determine the the best possible crystal dimensions, doping density And perhaps values of further parameters.
The medium should have a superior transparency (low absorption and scattering) while in the wavelength regions of pump and laser radiation, and excellent optical homogeneity. To some extent, this is determined by the caliber of the fabric, based on aspects in the fabrication approach.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions as well as the upper-condition life time.
激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
For quasi-a few-degree laser acquire media or even a few-stage obtain media, 1 often really should Restrict the length to a worth and that is too short for efficient pump absorption, as reabsorption outcomes would in any other case spoil the overall performance. For facet pumping, added concerns occur into Engage in; In addition to economical pump absorption, it is necessary to obtain an acceptable spatial shape with the acquire profile.
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A substantial harm threshold concerning pulse fluence or peak intensity is often essential for prime-energy amplifiers.
These ions empower the crystal to amplify light with the laser wavelength via stimulated emission, when Strength is equipped towards the crystal by means of absorption of pump light-weight (�?optical pumping
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These tables contain only the most typical host crystals; numerous Many others exist, which might be fewer usually used.
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A handful of laser crystal supplies are demonstrated where some Laser Crystal saturable absorber product is incorporated for passive Q switching of a laser.
Obviously, it is vitally desirable that a specified crystal high-quality is produced constantly, Whilst distinctive laser designs can have another sensitivity to product parameters.
激光晶体（laser crystal），可将外界提供的能量通过光学谐振腔转化为在空间和时间上相干的具有高度平行性和单色性激光的晶体材料。是晶体激光器的工作物质。
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It is apparent that various programs result in quite distinctive requirements on laser gain media. Due to this, a wide vary of various crystals are applied, and creating the proper option is essential for constructing lasers with ideal overall performance.
激光晶体（laser crystal），可将外界提供的能量通过光学谐振腔转化为在空间和时间上相干的具有高度平行性和单色性激光的晶体材料。是晶体激光器的工作物质。