{"title":"Unidimensional and Bidimensional Beam Expander Effects on the Output Power and Spectral Bandwidth of a Dye Laser","authors":"M. B. Alsous, K. Almutaib","doi":"10.1007/s40995-024-01628-6","DOIUrl":null,"url":null,"abstract":"<div><p>The effect of two types of beam expanders (prismatic and telescopic) on the output intensity and band width of dye laser has been investigated. The prism beam expander is unidimensional and little cumbersome. Two prism beam expanders were tested. The first, composed of two prisms, could lead to a folded resonator; it was short and gave higher power, but with 9.6 pm bandwidth. The second prism beam expander contained four prisms as well as the resonator was longer, but it could have 0.7 pm bandwidth. Concerning the telescopic two-dimensional beam expander, four different beam expanders were used with expanding ratios: 2X, 5X, 10X and 15X. In each case, the bandwidth, the output power and the wavelength stability were investigated. The 10X telescopic beam expander was the best with 0.7 pm bandwidth and good wavelength stability over 6 h of operation.</p></div>","PeriodicalId":600,"journal":{"name":"Iranian Journal of Science and Technology, Transactions A: Science","volume":"48 4","pages":"1075 - 1080"},"PeriodicalIF":1.4000,"publicationDate":"2024-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Iranian Journal of Science and Technology, Transactions A: Science","FirstCategoryId":"4","ListUrlMain":"https://link.springer.com/article/10.1007/s40995-024-01628-6","RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MULTIDISCIPLINARY SCIENCES","Score":null,"Total":0}
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Abstract
The effect of two types of beam expanders (prismatic and telescopic) on the output intensity and band width of dye laser has been investigated. The prism beam expander is unidimensional and little cumbersome. Two prism beam expanders were tested. The first, composed of two prisms, could lead to a folded resonator; it was short and gave higher power, but with 9.6 pm bandwidth. The second prism beam expander contained four prisms as well as the resonator was longer, but it could have 0.7 pm bandwidth. Concerning the telescopic two-dimensional beam expander, four different beam expanders were used with expanding ratios: 2X, 5X, 10X and 15X. In each case, the bandwidth, the output power and the wavelength stability were investigated. The 10X telescopic beam expander was the best with 0.7 pm bandwidth and good wavelength stability over 6 h of operation.
期刊介绍：
The aim of this journal is to foster the growth of scientific research among Iranian scientists and to provide a medium which brings the fruits of their research to the attention of the world’s scientific community. The journal publishes original research findings – which may be theoretical, experimental or both - reviews, techniques, and comments spanning all subjects in the field of basic sciences, including Physics, Chemistry, Mathematics, Statistics, Biology and Earth Sciences
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