{"title":"Photonics – An Introduction","authors":"B. Culshaw","doi":"10.1117/3.2582796.ch1","DOIUrl":"https://doi.org/10.1117/3.2582796.ch1","url":null,"abstract":"Photonics is probably the outstanding candidate for the principal enabling technology of the twenty-first century. The term emerged around half a century ago and is now slowly creeping into everyday vocabulary just as ‘electronics’ did in the twentieth century. The aim in this short book is to introduce the principal concepts and ideas which underpin photonics and to explore its current and evolving technological significance.","PeriodicalId":371774,"journal":{"name":"Introducing Photonics","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133810543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Nature of Light","authors":"B. Culshaw","doi":"10.1117/3.2582796.ch2","DOIUrl":"https://doi.org/10.1117/3.2582796.ch2","url":null,"abstract":"The question ‘is light a ray, a wave or a particle?’ has long fascinated philosophers and has intensified since the concept of the photon first emerged at the beginning of the twentieth century. The pragmatic answer to the question is ‘it depends what you are looking for’ and is really about how best to conceptualise light in particular circumstances. We have already mentioned such distinctions briefly in Chapter 1. This chapter will extend these basic concepts to introduce the material which follows in later chapters.","PeriodicalId":371774,"journal":{"name":"Introducing Photonics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131341313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comments and Hints on Chapter Problems","authors":"","doi":"10.1017/9781316659182.013","DOIUrl":"https://doi.org/10.1017/9781316659182.013","url":null,"abstract":"","PeriodicalId":371774,"journal":{"name":"Introducing Photonics","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122611928","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Concepts of Phase and Group Velocity","authors":"","doi":"10.1017/9781316659182.011","DOIUrl":"https://doi.org/10.1017/9781316659182.011","url":null,"abstract":"","PeriodicalId":371774,"journal":{"name":"Introducing Photonics","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124430885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Nature of Light","authors":"G. Asimellis","doi":"10.1017/9781316659182.003","DOIUrl":"https://doi.org/10.1017/9781316659182.003","url":null,"abstract":"The very nature of light has been the subject of philosophical consideration since antiquity. As a physical entity, many people have suggested that light has a corpuscular nature, formed of particles, while others have proposed a wave nature instead. Physical entities can be classified as either waves or particles. Waves spread out in space (diffraction), can pass through obstacles, and can be added to other waves (superposition). Particles, on the other hand, move in straight lines due to their inertia unless a force is exerted upon them. If they encounter an obstacle, they simply reverse direction. Light has both properties at the same time! So the questions to ask are: How is light classified? What is light, which we cannot see, but thanks to it, we see?","PeriodicalId":371774,"journal":{"name":"Introducing Photonics","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114197413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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