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首页> 外文会议>Gas, Metal Vapor, and Free-Electron Lasers and Applications >Continuous-wave high specific output power Ar-He-Xe laser with transverse RF excitation
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Continuous-wave high specific output power Ar-He-Xe laser with transverse RF excitation

机译：具有横向RF激励的连续波高比输出功率Ar-He-Xe激光器

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Abstract: A transverse RF excited gas discharge has been successfully used to produce a CW Ar-He-Xe laser. A maximum output power of 330 mW has been obtained from an experimental device with 37 cm active length and a 2.25 $DOT 2.25 cm$+2$/ cross-section. This corresponds to a specific output power of about 175 mW/cm$+3$/. Under these preliminary optimum conditions the gas pressure was 85 Torr (Ar:He:Xe$EQ@59:40:1). The laser output spectrum consisted of 5 atomic xenon lines (2.03, 2.63, 2.65, 3.37 and 3.51 $mu@m). The 2.03 $mu@m and 2.65 $mu@m lines were the strongest ones. Complementary to this device a quartz capillary was tested as laser tube for the atomic Xe laser. With this configuration it was possible to sustain a longitudinal DC as well as a transversal RF discharge in the laser gas mixture. Combined excitation was also possible for this device. This enabled us to compare the laser performance in both the DC and the RF mode in the same device. Preliminary measurements showed us that the highest output power in the DC mode was less than 1 mW, while the RF excited laser yielded about 130 mW. The gain coefficient was found to be extremely high. Laser generation was obtained for a wide range of reflectivities R of the outcoupling mirror. At the minimum reflectivity of 5% an output power of 20 mW was obtained. Results obtained from both systems are discussed. !22
机译：摘要：横向射频激发气体放电已成功用于产生连续波Ar-He-Xe激光器。从具有37 cm有效长度和2.25 $ DOT 2.25 cm + 2 $ /横截面的实验设备获得了330 mW的最大输出功率。这对应于大约175 mW / cm $ + 3 $ /的特定输出功率。在这些初步的最佳条件下，气压为85托（Ar：He：Xe $ EQ @ 59：40：1）。激光输出光谱由5条原子氙线（2.03、2.63、2.65、3.37和3.51μm·m）组成。 2.03 $ mu @ m和2.65 $ mu @ m线是最强的。作为该设备的补充，对石英毛细管作为原子Xe激光器的激光管进行了测试。通过这种配置，可以在激光气体混合物中维持纵向DC以及横向RF放电。该设备也可以进行组合激励。这使我们能够比较同一设备在DC和RF模式下的激光器性能。初步测量表明，在DC模式下，最高输出功率小于1 mW，而RF激发激光器的输出功率约为130 mW。发现增益系数极高。对于输出耦合镜的宽反射率R，获得了激光产生。在5％的最小反射率下，获得20 mW的输出功率。讨论了从两个系统获得的结果。 ！22

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