A 980-nm Yb-doped fiber MOPA source and its frequency doubling |
| |
| Authors: | D.B.S. Soh C. Codemard S. Wang J. Nilsson J.K. Sahu F. Laurell V. Philippov Y. Jeong C. Alegria S. Baek |
| |
| Affiliation: | Optoelectronics Res. Centre, Univ. of Southampton, UK; |
| |
| Abstract: | A continuous-wave (CW) master oscillator-power amplifier (MOPA) fiber source, tunable around 978 nm, was frequency-doubled to 488.7 nm. Both the laser and the amplifier were made with cladding-pumped jacketed air-clad Yb-doped fibers. The MOPA generated up to 2.7 W of power in an output beam with an M/sup 2/ value of 1.8. This was frequency-doubled in a periodically poled potassium titanyl phosphate crystal at room temperature, in a single-pass configuration. The generated blue light had a CW power of 18.1 mW, a nearly Gaussian spatial intensity profile, and an M/sup 2/ value of 1.7. |
| |
| Keywords: | |
|
|
