Fiber-assisted cascade-excited colorful random lasing with ring-shaped angular spectrum for imaging

IF 5 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2025-07-04 DOI:10.1016/j.optlastec.2025.113489

Jiayao Liu , Huihui Shen , Xiaolin Wang , Hongyu Yuan , Zimeng Zeng , Yaoxing Bian , Zhaona Wang

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引用次数: 0

Abstract

Colorful random lasing with low spatial coherence has significant applications in high-quality imaging and displaying. Here, a dual-channel colorful random lasing with ring-shape angular spectrum (AS) is achieved by using optical fiber (OF) assisted cascade excitation configuration through coupling the donor and acceptor microcavities on an OF. The waveguiding role of OF significantly improves the photon transfer efficiency between the donor and acceptor random lasers (RLs). When the donor RLs are pumped, colorful lasing of green–red, blue-red, and blue-green are obtained at the two endfaces, respectively. By switching the pumping strategies of the coupled RL system with red, green, and blue RLs on the fiber, red, green, blue, and white random lasing is observed from the same endface, indicating the color-programmable characteristics. The obtained random lasing is used as the illumination source to obtain the speckle-suppression colorful images. The results offer a flexible approach for implementing ring-shape AS RLs with significant applications in imaging and display.

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具有环形角光谱的光纤辅助级联激发彩色随机激光成像

具有低空间相干性的彩色随机激光在高质量成像和显示中有着重要的应用。本文利用光纤辅助级联激发结构，在光纤上耦合供体微腔和受体微腔，实现了具有环形角谱的双通道彩色随机激光。of的导波作用显著提高了施主和受主随机激光器之间的光子传输效率。当泵浦供体rl时，在两个端面分别获得绿红色、蓝红色和蓝绿色的彩色激光。通过将耦合RL系统的抽运策略切换为光纤上的红、绿、蓝RL，可以从同一端面观察到红、绿、蓝、白随机激光，表明颜色可编程特性。将得到的随机激光作为照明源，得到抑制散斑的彩色图像。结果为实现环形AS RLs提供了一种灵活的方法，在成像和显示方面具有重要的应用。

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems