Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A fiber-coupled, semiconductor technology, applied in the field of fiber-coupled semiconductor lasers, can solve problems such as low power density and single wavelength, and achieve the effect of increasing optical power density and achieving high-brightness output
Pending Publication Date: 2021-12-14
HANS LASER TECH IND GRP CO LTD
View PDF11 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0005] The technical problem to be solved by the embodiment of the present application is that the existing fiber-coupled semiconductor laser has the problem of single wavelength and low power density
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0071] refer to Figure 1 to Figure 3 , the fiber-coupled semiconductor laser is provided with a laser module, a focusing system and an optical fiber 400 .
[0072] The laser module is provided with a light emitting unit group and a corresponding dichroic mirror group. A light-emitting unit group contains 7 light-emitting units 110 (N=7), which are the first laser chip 1101, the second laser chip 1102, the third laser chip 1103, the fourth laser chip 1104, the fifth laser chip 1105, the Six laser chips 1106 and seventh laser chips 1107. A dichroic mirror group includes 7 dichroic mirrors, namely the first dichroic mirror 1201 corresponding to the first laser chip 1101 and the second dichroic mirror 1202 corresponding to the second laser chip 1102 , the third dichroic mirror 1203 corresponding to the third laser chip, the fourth dichroic mirror 1204 corresponding to the fourth laser chip, the fifth dichroic mirror corresponding to the fifth laser chip 1205. A sixth dichroic ...
Embodiment 2
[0084] refer to Figure 4 to Figure 7 , the fiber-coupled semiconductor laser is equipped with 8 laser modules, a focusing system and an optical fiber 400. The 8 laser modules are respectively the first laser module A, the second laser module B, the third laser module C, and the fourth laser module Module D, fifth laser module E, sixth laser module F, seventh laser module G, eighth laser module H.
[0085] Among them, 8 laser modules are evenly arranged in two rows, and each row is 4 laser modules (that is, M=4), that is, the first laser module A, the third laser module C, the fifth laser module E and The seventh laser module G is located in the same row, and respectively located on 4 steps with decreasing heights. The second laser module B, the fourth laser module D, the sixth laser module F and the eighth laser module H are located in the same row, and are respectively located on four steps with decreasing heights. The first laser module A and the second laser module B are...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The embodiment of the invention belongs to the technical field of semiconductor lasers, and relates to an optical fiber coupling semiconductor laser. The optical fiber coupling semiconductor laser comprises a laser module, a focusing system and an optical fiber, the laser module comprises a light-emitting unit group and a first optical element group, the light-emitting unit group comprises N light-emitting units emitting laser beams with different wavelengths, and the N light-emitting units in the same group are located on the same plane; the first optical element group comprises N first optical elements capable of reflecting the laser with the specific wavelength, the first optical elements and the light emitting units are arranged in a one-to-one correspondence mode, the N first optical elements are arranged in the reflection direction of the laser beams, and the first optical elements can transmit the laser beams reflected by the first optical elements in the same group; and the focusing system and the optical fiber are sequentially arranged on an emergent light path of the multi-wavelength laser. According to the technical scheme provided by the invention, N laser beams with different wavelengths can enter the optical fiber together, so that high-power density output is realized.
Description
technical field [0001] The present application relates to the technical field of semiconductor lasers, and more specifically, to a fiber-coupled semiconductor laser. Background technique [0002] Semiconductor lasers have been widely used in the fields of laser communication, optical storage, optical gyroscope, laser printing, ranging and radar. The fiber-coupled semiconductor laser is an industrial machine that injects the laser light emitted from the semiconductor laser into the optical fiber, and outputs the laser light from the optical fiber. [0003] Fiber-coupled semiconductor lasers have the advantages of small size and high electro-optical conversion efficiency. They are often used directly in industrial, medical, military and other fields, and are also often used as pump sources for fiber lasers. With the development of industry, there are higher requirements for the miniaturization, high power and high power density, high conversion efficiency, and wavelength dive...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more