Dynamic coherence control of random lasers and its effect on speckle and edge sharpness of images

Zhihao Li; Jianghao Li; Yanyan Huo; Yangjian Cai; Yuan Wan

doi:10.3788/COL202523.061404

Chinese Optics Letters, Volume. 23, Issue 6, 061404(2025)

Dynamic coherence control of random lasers and its effect on speckle and edge sharpness of images

Zhihao Li¹, Jianghao Li¹, Yanyan Huo¹, Yangjian Cai^1,2、*, and Yuan Wan^1、**

¹Shandong Provincial Engineering and Technical Center for Light Manipulation and Shandong Provincial Key Laboratory of Optics and Photonic Devices, School of Physics and Electronics, Shandong Normal University, Jinan 250014, China

²Joint Research Center of Light Manipulation Science and Photonic Integrated Chip of East China Normal University and Shandong Normal University, East China Normal University, Shanghai 200241, China

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Zhihao Li, Jianghao Li, Yanyan Huo, Yangjian Cai, Yuan Wan, "Dynamic coherence control of random lasers and its effect on speckle and edge sharpness of images," Chin. Opt. Lett. 23, 061404 (2025)

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Paper Information

Category: Lasers, Optical Amplifiers, and Laser Optics

Received: Oct. 22, 2024

Accepted: Dec. 31, 2024

Published Online: May. 19, 2025

The Author Email: Yangjian Cai (yangjian_cai@163.com), Yuan Wan (wanyuansdnu@163.com)

DOI:10.3788/COL202523.061404

CSTR:32184.14.COL202523.061404

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology