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- W2321346166 abstract "This paper attempts to look for a new method to obtain a square spot whose brightness distribution is homogeneous and the value of BPP is equal in two directions.Moreover,a spherical spot may be obtained too,if it is coupled with a fiber.The method only adopts the cylindrical and the spherical lenses and no other kinds of micro optical elements unlike the methods in foreign countries.An exit pupil of the system is taken as a spot to solve the problem of brightness homogeneous distribution,and the spacing influence of the light sources upon the value of BPP is clean up to decrease the value of BPP of the slow axis.Furthermore,the characteristic of the point light source is utilized to allow the BPP values of the fast axis and the slow axis to be equaled.Finally,this new method is used to design the coupling optical systems with different demands and specifications.The design example in this paper shows that there are 19 light sources at a bar,and the number of the bars is 21,then the total number of the light sources is 399.The size of the square spot obtained is 0.6 mm×0.6 mm and NA is 0.22.The spherical spot can be obtained if the system is coupled with the fiber with a diameter of 1 mm.Compared to the foreign methods,the construction of the new method is simpler and the demand for crafts is lower.The new method is suitable for the semiconductor lasers with high power and low values of BPP." @default.
- W2321346166 created "2016-06-24" @default.
- W2321346166 creator A5067698905 @default.
- W2321346166 date "2013-01-01" @default.
- W2321346166 modified "2023-09-24" @default.
- W2321346166 title "Improved method for semiconductor laser coupling" @default.
- W2321346166 doi "https://doi.org/10.3788/co.20130603.0343" @default.
- W2321346166 hasPublicationYear "2013" @default.
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