The characteristics of a whispering-gallery-mode (WGM) dye laser using a variety of dye-doped solid microspheres, pumped by a UV N2-laser, are presented. Experimental results for the WGM dye laser are presented with the spatial distribution and spectral and temporal responses of lasing. The spectral response of a new variety of WGM dye laser is in the blue-green or red spectral regions, and over a wide spectral range.
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