Prof. Liang Dong
Professor
SPIE Involvement:
Conference Program Committee | Editor | Author | Instructor
Publications (21)

Proceedings Article | 7 March 2019 Presentation + Paper
Proc. SPIE. 10897, Fiber Lasers XVI: Technology and Systems
KEYWORDS: Mirrors, Photonic crystal fibers, Waveguides, Fiber Bragg gratings, Cladding, Solid state lasers, Single mode fibers, Fiber lasers, Ytterbium, Absorption

Proceedings Article | 14 March 2018 Presentation
Proc. SPIE. 10512, Fiber Lasers XV: Technology and Systems
KEYWORDS: Single mode fibers, Fiber lasers, Ytterbium, High power fiber lasers

Proceedings Article | 22 February 2017 Presentation + Paper
Proc. SPIE. 10083, Fiber Lasers XIV: Technology and Systems
KEYWORDS: Optical fibers, Cladding, Laser applications, Single mode fibers, Fiber lasers, Semiconductor lasers, Nonlinear optics, Ytterbium, High power fiber lasers, Laser optics, Chemical oxygen iodine lasers

Proceedings Article | 11 March 2016 Paper
Proc. SPIE. 9728, Fiber Lasers XIII: Technology, Systems, and Applications
KEYWORDS: Fiber amplifiers, Silica, Fiber Bragg gratings, Cladding, Quantum efficiency, Laser applications, Laser development, Reflectivity, Fiber lasers, Ytterbium, Diodes, Absorption

Proceedings Article | 4 March 2015 Paper
Proc. SPIE. 9344, Fiber Lasers XII: Technology, Systems, and Applications
KEYWORDS: Optical fibers, Refractive index, Photon polarization, Polarization, Birefringence, Cladding, Glasses, Structured optical fibers, Polarizers, Fiber lasers

Showing 5 of 21 publications
Proceedings Volume Editor (2)

SPIE Conference Volume | 6 April 2020

SPIE Conference Volume | 7 June 2019

Conference Committee Involvement (9)
Fiber Lasers XVIII: Technology and Systems
6 March 2021 | Online Only, California, United States
Micro-Structured and Specialty Optical Fibres VI
6 April 2020 | Online Only, France
Fiber Lasers XVII: Technology and Systems
3 February 2020 | San Francisco, California, United States
Sixth Workshop on Specialty Optical Fibers
7 November 2019 | Charleston, South Carolina, United States
Fiber Lasers XVI: Technology and Systems
4 February 2019 | San Francisco, California, United States
Showing 5 of 9 Conference Committees
Course Instructor
SC1105: Fiber Lasers and their Applications
Fiber laser technology has the potential to make a significant impact in many defense applications, from LIDAR and remote sensing to high energy laser weapons systems, in addition to numerous industrial, medical and scientific applications. This revolutionary new laser technology offers many intrinsic advantages over traditional DPSSLs and has received considerable support from key funding agencies over the last 10 years, including DARPA and the Joint Technology office (JTO) amongst others. With the aid of this funding several groups have now demonstrated small, compact and lightweight single mode fiber devices operating at the 1-10kW power level. There are research and development programs in the Air Force, Navy and Army currently. Funding to demonstrate beam combining of fiber lasers to the 25kW level is in place with programs such as RELI and Excalibur. More recently, the BAA call from the Office of Naval Research specifically calls for the development of high energy laser weapon technology suitable for ship board defense to be demonstrated on platform by 2016 and fiber technology is one possible solution being considered. Active deployment in the next decade is anticipated by some branches of the military. Widespread publications in the research community have demonstrated an impressive array of power scaling fiber laser results, both CW and pulsed at wavelengths from 1um to the eyesafe 1.5um and 2um wavelengths. Advantages associated with fiber technology are not only high wallplug efficiency leading to reduced electrical power requirements and easier system cooling, but also robustness, good beam quality, compactness and highly flexible system performance. These, coupled with (remote) fiber delivery options make the technology unique in many applications. This tutorial will cover the major aspects of designing and building a fiber laser, from the fiber itself through the various state of the art fiber components, and discussing the system parameter space that best makes use of the intrinsic advantages of the technology. Applications from industrial material processing though to defense and homeland security will be reviewed.
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