5 Simple Statements About KGW Crystal Explained
5 Simple Statements About KGW Crystal Explained
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Concurrently, a shorter laser wavelength is usually attained; it can be done to operate by using a quantum defect very well underneath one%. Being a consequence, the warmth generation may be so modest this partly compensates the lessen thermal conductivity.
The monoclinic crystal constructions leads to a natural birefringence, assisting to avoid thermally induced polarization rotation and depolarization loss.
The comparison with Eyeglasses is appropriate For the reason that substantial gain bandwidth enables e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
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We program to boost the heartbeat energy to previously mentioned forty mJ in two-phase multi-move amplifiers, similar to a gain variable of twenty. In each amplifier, we will even undertake two cascaded crystals placed below orthogonal orientation to decrease the thermal load on Just about every crystal and compensate for your achieve-narrowing influence.
The brink Electrical power for SC technology (hbox E _ textrm th ) was outlined as being the pump pulse Electrical power, where the blue-shifted spectral broadening rapidly settles to a certain cut-off wavelength that remains Practically frequent Despite having even more raise with the pump pulse Electrical power. The the best possible Electrical power (hbox E _textrm decide ), was outlined since the pump pulse Strength, which generates the most important crimson-shifted spectral broadening ahead of the onset of periodic modulation while in the SC spectrum as a result of filament refocusing.
相关工作得到了上海扬帆计划、国家重点研发计划、中国科学院战略性先导科技专项、国家自然科学基金项目、上海市优秀学术/技术带头人计划、上海市市级科技重大专项、中国科学院青年创新促进会的支持。（强场激光物理国家重点实验室供稿）
-switched laser output underneath the two crystal placement configurations. The black line denotes the configuration with the crystals put in a similar orientation, though the purple line is under the configuration of crystals positioned in orthogonal orientation.
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]. The dual-crystal configuration lowers the thermal load on each crystal even though preserving a high get, and facilitates the compensation of each’s thermal lensing impact. Hence, the laser cavity can operate with a sizable steadiness assortment around the thermal lensing impact variation.