High-power broadband tunable soliton-self-similar pulse mode-locked fiber laser
A fiber laser, high-power technology, applied in the field of lasers, can solve the problems of single-band, restricting the application range of femtosecond mode-locked fiber laser, etc., achieve high output power, suitable for repeated production and assembly, and achieve the effect of wavelength tuning output
Inactive Publication Date: 2016-08-24
NORTHWEST UNIV
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Problems solved by technology
[0004] However, with the deepening of research, femtosecond laser output with a single band and a single nonlinear wave type can no longer meet the increasing application requirements, but as far as the current femtosecond mode-locked fiber laser is concerned, most of them can only output soliton pulses or self-similar Pulse, and the output wavelength is generally a single band, these factors restrict the application range of femtosecond mode-locked fiber laser
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[0028] In order to make the purpose, technical solutions and advantages of the present invention clearer, it should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.
[0029] This embodiment provides a high-power broadband tunable soliton-self-similar pulse mode-locked fiber laser, and its optical path structure is as follows figure 1 As shown, it includes: a pump source 1 and a fiber combiner 2, a first dispersion compensating fiber 3 and a second dispersion compensating fiber 13, a first fiber coupler 4 and a second fiber coupler 14, a first fiber quasi Collimator 5 and second fiber collimator (12), first 1 / 4 wave plate 6 and second 1 / 4 wave plate 11, 1 / 2 wave plate 7, polarization beam splitter prism 8, birefringence filter 9 , Optical isolator 10 and Er: Yb co-doped double-clad fiber 15 form laser ring cavity with single-mode fiber and spatial optical path;
[003...
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Abstract
The invention relates to a high-power broadband tunable soliton-self-similar pulse mode-locked fiber laser, comprising a pumping source, a fiber beam combiner, a first dispersion compensation fiber, a second dispersion compensation fiber, a first collimator, a second collimator, a first 1 / 4 wave plate, a second 1 / 4 wave plate, a 1 / 2 wave plate, a polarizing beam splitter prism, a birefringent filter, an optical isolator and an Er: Yb co-doped double-coated gain fiber, which are connected by fibers and a spatial part to form an annular cavity. The pumping source is connected with the pumping end of the fiber beam combiner, the signal end of a beam splitter is connected with the first collimator via the first dispersion compensation fiber and a first fiber coupler in sequence, then beams are coupled into the second collimator via the first 1 / 4 wave plate, the 1 / 2 wave plate, the polarizing beam splitter prism, the birefringent filter, the optical isolator and the second 1 / 4 wave plate, and the beams enter via the input ends of the second dispersion compensation fiber and a second fiber coupler; the output end of the second fiber coupler is connected with the Er: Yb co-doped gain fiber, and the gain fiber is finally connected with the signal end of the beam coupler.
Description
technical field [0001] The invention belongs to the technical field of lasers, relates to a high-power broadband tunable soliton-self-similar pulse mode-locked fiber laser, and belongs to a high-power tunable soliton-self-similar fiber laser realized by using an Er:Yb double-clad fiber. Background technique [0002] Since the introduction of mode-locking technology in 1964, ultrashort pulse lasers have developed very rapidly. At the same time, with the continuous needs of related application fields, the depth and breadth of femtosecond pulse laser development are also expanding. Due to the important characteristics of high peak power and narrow pulse width, the mode-locked pulsed laser has been widely used in many fields such as biomedicine, terahertz technology, information communication, physics, chemistry and other basic science research, military defense and many other fields. The femtosecond fiber laser has many advantages such as high electro-optical conversion efficie...
Claims
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Login to View More IPC IPC(8): H01S3/067H01S3/11
CPCH01S3/067H01S3/1106
Inventor 白晋涛侯磊林启蒙陈浩伟齐新元
Owner NORTHWEST UNIV