Broadband near-infrared emission in Pr3+–Er3+ codoped phosphate glasses for optical amplifiers
Source abstract
Abstract
Abstract In this work, we report near infrared (NIR) emission spectra of Pr 3+ –Er 3+ codoped phosphate glasses with 483 nm excitation. A broadband emission extending from 1300 to 1640 nm is obtained, which covers the whole O, E, S, C, L and U bands. This superbroadband luminescence is contributed by the Pr 3+ : 1 D 2 → 1 G 4 and Er 3+ : 4 I 13/2 → 4 I 15/2 transitions that lead to emissions located at 1481 and 1540 nm, respectively. The present work indicates that Pr 3+ –Er 3+ codoped phosphate glasses can be promising materials for broadband NIR optical amplifications.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Glass properties and applications · Luminescence Properties of Advanced Materials · Solid State Laser Technologies
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References (22)
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