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Assembly and Adjustment Error Analysis of Infrared Target Simulator Beam Expander Coupled System

Author: LiuShaoFeng
Tutor: RenZhiBin
School: Harbin Institute of Technology
Course: Optical Engineering
Keywords: Coupling efficiency Alignment error analysis Alignment Simulation The microlens array Optical design
CLC: TN219
Type: Master's thesis
Year: 2011
Downloads: 49
Quote: 0
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Abstract


Infrared target simulator is an important part of the semi -kind infrared simulation system , play an important role in its infrared homing warheads, spaceborne and airborne infrared remote sensing . In the infrared homing warhead experiments , the use of infrared target simulator to simulate the movement and distance adjustable target source , used to detect missile infrared seeker sensitivity , modulation characteristics and tracking features of the system performance . Infrared target simulator developed in this subject , the microlens array is a new type of beam expander components , and its purpose is to play interference beam coupling beam expander , the key pieces in this topic . Microlens array by the clear aperture and relief depth micron lens array , it not only has the basic functions of a conventional lens imaging, focusing , and high integration , small cell size , so that it is not only able to complete the traditional optical elements can not be completed , but also constitute a new optical system . In order to test the processing quality and effect of the microlens array element is mainly to study the following two aspects : 1 . Microlens array infrared target simulator individual alignment errors on the coupling efficiency , the use of optical design software zemax macro expansion writing coupling efficiency program instructions , this to as zemax custom optimized evaluation function , the microlens array alignment simulation . The position of the light source and the system of infrared target simulator coaxial alignment error analysis , analysis of the type of error , draw a range of allowable error , and has laid a good foundation for system alignment .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Photonics technology,laser technology > Infrared technology and equipment > The application of infrared technology
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