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Scientists suspect many species are in decline—but there are still unanswered questions and a lot of hope. Here's when and where you can still spot them. Experts say a "concerning" number of ...
Abstract: A novel tunable dual-wavelength thulium-doped fiber laser is demonstrated experimentally. The wavelength-tuning by employing a high birefringence fiber Bragg grating is proposed in 2-\(\mu \ ...
Near-Infrared Luminescence from Sol−Gel Materials Doped with Holmium(III) and Thulium(III) Complexes
†Changchun Institute of Applied Chemistry, Chinese Academy of Sciences. ‡Graduate School of the Chinese Academy of Sciences. Article Views are the COUNTER-compliant sum of full text article downloads ...
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