Download or read book Polishing Metal Surfaces for Optical Purposes Primary Source Edition written by William Frederick Steve and published by Nabu Press. This book was released on 2014-02-03 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ Polishing Metal Surfaces For Optical Purposes William Frederick Steve University of Wisconsin--Madison, 1907 Science; Physics; Physics; Science / Physics

Download or read book Polishing Metal Surfaces for Optical Purposes Scholar s Choice Edition written by William Frederick Steve and published by . This book was released on 2015-02-15 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Download or read book Polishing Metal Surfaces for Optical Purposes written by William Frederick Steve and published by Andesite Press. This book was released on 2015-08-08 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Download or read book Polishing Metal Surfaces for Optical Purposes written by William Frederick Steve and published by . This book was released on 1907 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Ion Polishing of Optical Surfaces written by R. A. Hoffman and published by . This book was released on 1976 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this study, various combinations of ion polishing and vaccum annealing were used in an attempt to reduce the optical absorptance and to smooth the surfaces of polycrystalline metal mirrors for high power lasers. The samples included micromachined copper and conventionally polished copper and molybdenum mirrors. It was found that ion polishing and vacuum annealing resulted in a large decrease 40 to 50%, in the absorptance at 10.6 micrometers for conventionally polished copper samples and a small decrease, 5 to 10%, in the absorptance of micromachined copper and conventionally polished molybdenum mirrors. After ion polishing and annealing, the absorptance of the conventionally polished copper mirrors was as low as that of the micromachined mirrors. Ion polishing proved beneficial in removing surface defects, such as machining marks, scratches, and embedded polishing grit, and oxide layers; however, for large amounts of material removed, differential sputtering of the various crystallites led to grain boundary delineation and surface roughening. Thus, there exists an optimum amount of material to be removed by ion polishing which results in both maximum removal of surface defects and minimum roughening of the surface. The optimum amounts were found to be: 2500 to 5000 A for micromachined copper, 5000 to 7000 A for conventionally polished copper, and less than 1500 A for molybdenum. Vacuum annealing of copper mirrors at 325 C for 1-1/4 hours yielded a decrease in absorptance after ion polishing but at the expense of grain boundary enhancement; however, vacuum annealing of molybdenum at 800 C for 1 hour resulted in a decrease in absorptance with no evidence of surface roughening.

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