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ALMA Receiver Optics Design

A Workshop was held in Tucson in September 2000 to define a layout for the optics and dewar. Section 3 lists the design goals for the Workshop, and the configuration that emerged is detailed in this document. This includes the overall arrangement, and the details of the optics of the individual Bands. These bands are those defined by Wootten et al. [1] and endorsed with minor adjustment for Band 3 by the ALMA Scientific Advisory Committee (ASAC) [2]. The design goals led to a natural division of the bands into three groups. Representative designs for the optics of each of these groups are given.