Large aperture PPMgLN based high-power optical parametric oscillator at 38 µm pumped by a nanosecond linearly polarized fiber MOPA
Lin, Dejiao, Alam, Shaif-ul, Shen, Yonghang, Chen, Tao, Wu, Bo and Richardson, David J. (2012) Large aperture PPMgLN based high-power optical parametric oscillator at 38 µm pumped by a nanosecond linearly polarized fiber MOPA. Optics Express, 20, (14), 15008-15014. (doi:10.1364/OE.20.015008).
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Description/Abstract
We report a large aperture PPMgLN based OPO generating 21W of average output power at a slope efficiency of 45%. The OPO is pumped with the output from a polarization maintaining Ytterbium doped fiber MOPA operating at 1060nm producing 20ns pulses at a repetition rate of 100kHz and an average output power of 58W (after the isolators). A maximum of 5.5W of optical power was recorded at the idler wavelength of 3.82μm without thermal roll-off. The pulse rise/fall time plays a significant role in the OPO conversion efficiency and that further enhancements in the efficiency should be possible using pulses with faster rise and fall times.
| Item Type: | Article |
|---|---|
| ISSNs: | 1094-4087 (print) |
| Related URLs: | |
| Keywords: | fiber optics and optical communications, fiber optics amplifiers and oscillators, nonlinear optics, pulse shaping |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Faculty of Physical and Applied Science > Optoelectronics Research Centre |
| Item ID: | 341124 |
| Date Deposited: | 16 Jul 2012 09:14 |
| Last Modified: | 16 Jul 2012 09:14 |
| Contributors: | Lin, Dejiao (Author) Alam, Shaif-ul (Author) Shen, Yonghang (Author) Chen, Tao (Author) Wu, Bo (Author) Richardson, David J. (Author) |
| Date: | 20 June 2012 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/341124 |
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