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Enabling random lasing in an ultrabroad spectral range with robust platforms based on amorphous media
1Key Laboratory of Processing and Testing Technology of Glass & Functional Ceramics of Shandong Province, School of Materials Science & Engineering, Qilu University of Technology (Shandong Academy of Sciences), 3501 Daxue Road, Changqing District, Jinan, Shandong Province, China. mengxiangeng@gmail.com.
Researchers achieved random lasing across a broad spectrum using amorphous media. This robust platform offers efficient light emission and insights into light-matter interactions.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Random lasing offers unique light emission properties.
- Developing robust platforms for coherent feedback is crucial.
- Amorphous media present an alternative to crystalline or microfiber systems.
Purpose of the Study:
- To achieve random lasing with coherent feedback in amorphous media.
- To explore the spectral range and efficiency of this system.
- To investigate the potential of amorphous media for light-matter interactions and light-emitting devices.
Main Methods:
- Utilized robust platforms based on amorphous media for optical feedback.
- Modulated the gain curve to achieve lasing.
- Investigated the spectral range from 533-870 nm.
Main Results:
- Achieved random lasing with coherent feedback over an ultrabroad spectral range (533-870 nm).
- The pump threshold was comparable to crystalline and microfiber systems.
- Demonstrated the viability of amorphous media for random lasing.
Conclusions:
- Amorphous media provide a robust platform for random lasing.
- This approach enables efficient light emission and investigation of light-matter interactions.
- Suggests potential for developing highly efficient light-emitting devices.
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