. 4480 South Tiffany Drive West Palm
نویسندگان
چکیده
A non-contact approach for the alignment of optical elements and systems is described which allows the operator to clearly distinguish tilt and decentration errors of the individual optical elements. Advantages over alternate methods are discussed, and several examples of the use of the alignment tool are presented with experimental results.
منابع مشابه
Reading 24.indd
Origin and Geographic Distribution Oil palm is native to Africa and it is assumed that speciation took place in that continent. However since all related species classifi ed in the subfamily Cocoideae have a South American origin (except perhaps the coconut, Cocos nucifera), the archetypal ancestor may have been indigenous to the Americas. Oil palm occurs in palm groves throughout the tropical ...
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