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Utility of microwave bootlace lens is well established. For broadband and wide scanning network, it is required to op-timize and use features of this lens for better communication and scanning device. This report presents the design of a compact 2D bootlace lens with five focal feed for multiple beam forming. This design will help in reducing phase error and will provide power efficiency and better resolution during target tracking. This design will provide better aperture efficiency and scanning angle

Abstract-A review of the design and analysis techniques reported so far for Bootlace type lens and its origin the Rotman type lens has been presented. The basic design and the improvement with its implications and adoptions are presented with the justification. The basic bootlace lens with the modifications reported with improvement and their characteristics is also presented with mathematical approach. The parameters and methods, which are of importance in the design and analysis of the work, are compared and performance thereon is considered for practical approach and fabrication results of some of the tested designs are also investigated. The basic design of microwave lens is Rotman lens and modifications have brought the new concept of bootlace lens due to its specific design and look as of open lenses of military boot. This analysis has given us direction for new approach in design.

Abstract-Bootlace lens is the most appropriate choice for multiple beam forming.A compact symmetric bootlace lens has been developed. Here, a theoretical modal is developed which predicts the primary amplitude distribution across the array port of the lens. Amplitude distribution depends upon the gain performance of array contour of the lens. This theoretical modal develops a symmetric bootlace lens without complex analysis.

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