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Polarization Multiplexing Technology Of High Power Diode Laser Arrays

Posted on:2015-01-10Degree:MasterType:Thesis
Country:ChinaCandidate:C J XueFull Text:PDF
GTID:2268330428984515Subject:Optical Engineering
Abstract/Summary:PDF Full Text Request
Because laser having been owe the power transistor is simple to prepare the technology, the power output was big, the efficiency of electric light be high, but young nature merit of good class andwas applied for the military affairs widely, industry, aviation and spaceflight affected the crucial field of the state competition ability.But in the laser remotes control in the aim, attenuation of transmission is serious due to the atmosphere, besides missile smoke of feather of attenuation and missile flame of engine of to disturb, want information of laser Huai really transmission is on the to the missile, reasonable letter must think of noise compete in, so demand to give birth to the power of very high laser; At the same time laser laser of guided requirement farm of information hot spot even nature good:guided weapon stands and asks laser to shoot the product of organism small:integrated panel height, the reliability is high.At present the laser remotes control the aim in the face of of baffling problem is:(1) separately high power the laser of transistor is difficult to be satisfied with power and hot spot even nature ask;(2) traditional method adopts the many tube-shaped object and shoots the space couple although can be satisfied with requirement of high power and light even nature ask, but many tube-shaped object shoots the space and couple it is complicated to launch the antenna, is difficult to realize the miniaturization and integrated melt.Subject of notebook because of the high power trap of quantum laser of transistor special characteristic of polarization, adopt the polarization prism of beam splitter carry on the polarization and couple,(and) adopt level the mirror of concave cylinder carry on plastic,(and) adopt the profit of sketchily and look into the distance far away systematically aim at continuously only carry on enlarge tie, the realization can be satisfied with the laser finally guided high power, hot spot the even nature is good, miniaturization, integrated melt the laser asking is systematic.At the same time subject of notebook first time to the high power trap of quantum the condition of polarization of the laser of transistor makes the research, and by the test, to the parameter of polarization to be its turn laser of pattern carry on affirm.Subject of notebook offered not only of the polarization couple the project of plan melt the realization be easy, at the same time still use perpendicular hand in the plan to fold bare farm and made up for the laser of transistor the hot spot of far field show the defect of the oval condition.
Keywords/Search Tags:high power laser diode, coupling efficiency, polarizing beam splitter, beam polarized combination, beam shapin
PDF Full Text Request
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