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Generation of Higher Order Vortex Beams From a YVO4/Nd:YVO4 Self-Raman Laser via Off-Axis Pumping With Mode Converter
| Content Provider | Semantic Scholar |
|---|---|
| Author | Lee, Cheng-Yeh Chang, Chuan-Ching Tuan, Pi-Hui Chen, Yung-Fu |
| Copyright Year | 2015 |
| Abstract | The generation of high-order Hermite-Gaussian (HG) beams at the Stokes wavelength in a YVO4/Nd:YVO4 self-Raman laser with off-axis pumping is demonstrated. The high-order vortex beams at the Stokes field are successfully created by transforming these HG modes via an extra-cavity mode converter. The stimulated Raman scattering (SRS) threshold pump power for the diode-end-pumped laser is theoretically analyzed to verify the feasibility of generating high-order HG modes by off-axis pumping. At a pump power of 18.6 W, the SRS output powers can be higher than 1.0 W for the HG modes from TEM0,0 to TEM3,0. Under the same pump power, the maximum order can be up to TEM28,0. |
| Starting Page | 318 |
| Ending Page | 322 |
| Page Count | 5 |
| File Format | PDF HTM / HTML |
| DOI | 10.1109/JSTQE.2014.2324754 |
| Volume Number | 21 |
| Alternate Webpage(s) | https://ir.nctu.edu.tw/bitstream/11536/25141/1/000342384900001.pdf |
| Journal | IEEE Journal of Selected Topics in Quantum Electronics |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |