Yonghui Luo, Haoyuan Liang, Wang Ju, Chang Shu, Junjie Cheng, Xiaoke Yin, Wenzhen Li, Le He, Haiqing Li, Jinggang Peng, Yingbin Xing, Nengli Dai, Jinyan Li
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引用次数: 0
Abstract
To realize high-power, single-mode pump sources for high-transmission-capacity Er-doped fiber amplifier (EDFA) systems, a high-power 980 nm monolithic fiber laser with Hi1060-output is first demonstrated, to the best of our knowledge. With the help of the Hi1060-output fiber, the demonstrated 980 nm fiber laser is highly compatible with EDFA systems. A multi-cladding Yb-doped fiber (MC-YDF) with 20 μm core and 50 μm first cladding was fabricated by conventional fiber preparation technology to adjust the gain of 1030 nm amplified spontaneous emission and high-order mode for high optical-to-optical efficiency and beam quality. Under 29.4 W maximum pump power at 915 nm, a 9 W single-mode laser output with an O-O efficiency of 30.6 % was achieved. The output power fluctuation was measured at 0.5 % after 2 h of continuous operation.[email protected]
期刊介绍:
Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication.
The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas:
•development in all types of lasers
•developments in optoelectronic devices and photonics
•developments in new photonics and optical concepts
•developments in conventional optics, optical instruments and components
•techniques of optical metrology, including interferometry and optical fibre sensors
•LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow
•applications of lasers to materials processing, optical NDT display (including holography) and optical communication
•research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume)
•developments in optical computing and optical information processing
•developments in new optical materials
•developments in new optical characterization methods and techniques
•developments in quantum optics
•developments in light assisted micro and nanofabrication methods and techniques
•developments in nanophotonics and biophotonics
•developments in imaging processing and systems