Study of low-threshold and high-intensity random lasing in dye doped liquid crystals
Source abstract
Abstract
Random lasers in dye-doped nematic liquid crystal (DDNLC) cells with different structures are studied. By choosing the cell gap and the cells rubbing methods, the DDNLC random laser obtains lower energy threshold. The DDNLC random laser energy threshold can also be decreased with an Al mirror as the external feedback from 4.2 μJ/pulse to 1.5 μJ/pulse. It is worth mentioning that the random laser shifts red and intensity increases with the Al mirror. The study of the DDNLC random laser with cell structure is aimed to obtain a low power consumption laser at a lower cost.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Random lasers and scattering media · Advanced Optical Imaging Technologies · Visual perception and processing mechanisms
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Southeast University Advanced Photonics Center, School of Electronic Science and Engineering, , Nanjing 210096, China
References (19)
Show source-provided references
1. Random lasing in a dye doped cholesteric liquid crystal polymer solution10.1016/j.optmat.2008.05.014 ↗
2. The smallest random laser10.1038/35018184 ↗
3. Electrically controllable liquid crystal random lasers below the Fréedericksz transition threshold10.1364/OE.19.002391 ↗
4. Nonresonant random lasing from a dye-doped smectic A* liquid crystal10.1063/1.1885169 ↗
5. Thermally tunable random laser in dye-doped liquid crystals10.1080/09500340.2013.844867 ↗
6. Random lasing in freely suspended dye-doped nematic liquid crystals10.1364/OL.33.000557 ↗
7. Tailoring of random lasing characteristics in dye-doped nematic liquid crystals10.1007/s00340-014-5822-1 ↗
8. Thermal behavior of random lasing in dye doped nematic liquid crystals10.1063/1.2356087 ↗
9. The electrically and magnetically controllable random laser from dye-doped liquid crystals10.1063/1.4891683 ↗
10. Dependence of the Gaussian-Lévy transition on the disorder strength in random lasers10.1103/PhysRevA.87.013822 ↗
11. Coherent random lasers in weakly scattering polymer films containing silver nanoparticles10.1103/PhysRevA.79.053817 ↗
12. Polarization and polarization control of random lasers from dye-doped nematic liquid crystals10.1364/OL.38.001557 ↗
13. Light emission: A temperature-tunable random laser10.1038/414708a ↗
14. Behaviors of the Rh6G random laser comprising solvents and scatterers with different refractive indices10.1016/j.optcom.2012.06.094 ↗
15. Random lasing in weakly scattering systems10.1103/PhysRevA.74.053812 ↗
16. Random lasing from dye-doped chiral nematic liquid crystals in oriented and non-oriented cells10.1140/epjb/e2013-30822-0 ↗
17. Lowering the excitation threshold of a random laser using the dynamic scattering states of an organosiloxane smectic A liquid crystal10.1063/1.3681898 ↗
18. Dependence of random laser emission on silver nanoparticle density in PMMA films containing rhodamine 6G10.1364/JOSAB.28.001118 ↗
19. External-feedback effects in high-gain scattering media10.1364/OL.22.000895 ↗