Fiber-solid hybrid amplification laser system

A solid-state hybrid, laser system technology, applied in the laser field, can solve the problem that the peak power is difficult to reach the order of 10MW

Active Publication Date: 2017-12-12
INNO LASER TECH CORP LTD
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  • Application Information

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Problems solved by technology

However, using a fiber laser as the seed source, using Nd:YVO 4 The crystal solid amplifier is used as an amplifier-level laser system, and its peak power is difficult to reach the order of 10MW

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Embodiment Construction

[0048] In order to describe the present invention more specifically, the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0049] figure 1 What is shown is a schematic diagram of a fiber-solid hybrid amplified laser system provided by an embodiment of the present invention. like figure 1 As shown, the fiber-solid hybrid amplified laser system provided by the embodiment of the present invention includes: picosecond fiber laser 1, fiber isolator 2, first half-wave plate 3, second polarization beam splitter prism 4, Faraday rotator 5, second Half-wave plate 6, first polarizing beam splitter prism 7, 45° reflector 8, 45° reflector 9, first coupling lens 10, 45° reflector 11, LD double-ended pump Nd:YVO 4 Amplifier 12, first 0° mirror 13, 45° mirror 14, 45° mirror 15, second coupling lens 16, third half-wave plate 17, 45° mirror 18, film polarizer 19, LD side pump Pu Nd: YAG am...

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Abstract

The invention discloses a fiber-solid hybrid amplification laser system. The fiber-solid hybrid amplification laser system comprises a picosecond fiber laser, a fiber isolator, a first half-wave plate, a light isolator, a first polarization beam splitter, a first coupling lens and an LD dual-sided pumping solid laser amplifier and also comprises a second coupling lens and an LD side-surface pumping solid laser amplifier, wherein the picosecond fiber laser, the fiber isolator, the first half-wave plate, the light isolator, the first polarization beam splitter, the first coupling lens and the LD dual-sided pumping solid laser amplifier are sequentially connected to a light path, and the second coupling lens is used for coupling amplified laser output from the LD dual-sided pumping solid laser amplifier to the LD side-surface pumping solid laser amplifier. The system can emit laser with high peak power being 65MW and a beam quality factor M2 being 1.30, and wide application of the fields of laser frequency conversion, micromachining, laser marking and the like is satisfied.

Description

technical field [0001] The invention belongs to the field of lasers, in particular to an optical fiber-solid hybrid amplifying laser system. Background technique [0002] Ultrashort pulse lasers with high peak power and high beam quality are widely used in laser frequency conversion, micromachining, laser marking and other fields. [0003] At present, the peak power of laser light sources commonly used in the domestic laser processing industry is on the order of tens of kilowatts to hundreds of kilowatts. Further increasing the peak power of light sources has become a scientific research difficulty. The advantage of fiber lasers is that the beam quality is good, and a very narrow pulse width can be obtained through mode-locking technology. The disadvantage is that the fiber is easily damaged when the peak power is increased. Solid-state lasers can withstand very high peak power, but the pulse width output by solid-state lasers is generally tens to tens of nanoseconds. It is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/094H01S3/23
CPCH01S3/094011H01S3/094038H01S3/2316H01S3/2375
Inventor 刘崇胡淼
Owner INNO LASER TECH CORP LTD
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