RP Photonics Encyclopedia – YAG lasers, Nd:YAG laser, Yb …
The emission spectra of as-grown Yb : YAG SCFs were obtained employing an FLS-980 spectrometer (Edinburgh Instruments). The experimental apparatus used for the laser experiments is depicted in Fig. 5. A Yb : YAG SCF was pumped using a fiber-coupled 940 nm semiconductor laser with a 200 ?m core diameter and a NA of 0.22.
8/1/2017 · For the green emission, the n values are 1.88 (0.5at%Er:YAG), 1.92 (1at%Er:YAG), and 1.73 (5at%Er:YAG); and for the red emission, the values are 1.93 (0.5at%Er:YAG), 2.04 (1at%Er:YAG), and 1.77 (5at%Er:YAG), which manifest that the population of the states 2 H 11/2, 4 S 3/2 and 4 F 9 come from two-photon absorption upconversion process.
12/1/2015 · For Yb:YAG ceramics, an emission peak can be found at around 1025 nm when temperature is 100 K. As temperature rising, this peak intensity gradually diminishes and.
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