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High power single-frequency continuous-wave Nd : YVO4 master-oscillator power amplifier
- Issue Date
- Dec-2006
- Publisher
- Springer Verlag
- Keywords
- Pump Power; Pump Beam; Beam Quality; Astigmatism; Thermal Lens
- Citation
- Applied Physics B: Lasers and Optics, v.85, no.4, pp.539 - 543
- Indexed
- SCIE
SCOPUS
- Journal Title
- Applied Physics B: Lasers and Optics
- Volume
- 85
- Number
- 4
- Start Page
- 539
- End Page
- 543
- ISSN
- 0946-2171
- Abstract
- We report a highly-efficient, high-power, single-frequency Nd:YVO4 master-oscillator power-amplifier with near-diffraction-limited output beam quality. A diode-pumped Nd:YVO4 ring laser incorporating a passive method for suppressing axial-mode-hopping was employed as the master-oscillator, and was amplified by a three-stage diode-end-pumped Nd:YVO4 amplifier, yielding 79 W of output with an extraction efficiency of 29%. The overall power gain was 15 dB for an input power from the master-oscillator of 2.4 W, and the M-2 parameter was less than 1.5 at the maximum power. The prospects for a further increase of power and brightness via this approach are considered.
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Related Researcher
- Kim, Ji Won
- COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY (DEPARTMENT OF PHOTONICS AND NANOELECTRONICS)