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Figure 2
Spatial profile of the 532 nm pump beam using a fiber with a core size of (a) 50 µm and (b) 400 µm. The beam profile was estimated by a CCD beam profiler (SP620, Ophir-Spiricon). |
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access
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Figure 2
Spatial profile of the 532 nm pump beam using a fiber with a core size of (a) 50 µm and (b) 400 µm. The beam profile was estimated by a CCD beam profiler (SP620, Ophir-Spiricon). |