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Spin and Surface Textures in Nanophotonics
Spin and Surface Textures in Nanophotonics
Spin and Surface Textures in Nanophotonics

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105624
ISBN  
9798265428813
DDC  
620.118
저자명  
Hong, Jiho.
서명/저자  
Spin and Surface Textures in Nanophotonics
발행사항  
[Sl] : Stanford University, 2023
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2023
형태사항  
56 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: A.
주기사항  
Advisor: Brongersma, Mark.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2023.
초록/해제  
요약An enormous amount of information, at every moment, falls into our visual system that are capable of sensing the brightness and color of light, which might answer why light has been intriguing us for such a long time. In fact, light carries information on its multiple degrees of freedom, not only the intensity and wavelength, but also the phase, polarization, and wavevector. This has laid the foundation for a variety of optical characterization and imaging methods to study materials, structures, or optical scenes that light interacts with. To implement and benefit from such methods, it is essential to achieve precise control over light waves based on these intrinsic properties of light.This has been typically obtained by using conventional optics such as lenses, filters, mirrors, polarizers, and waveplates. Such conventional optical components have played a pivotal role in optical and optoelectronic devices by delivering optical functions that are needed for their operation. To accommodate the demand for high optical performance, a set of conventional optical elements are often combined in an optical system with precise alignment. This strategy has been widely employed to build a variety of high-performance modern optical devices and instruments. For instance, digital cameras and microscopes rely on compound lenses to capture high-quality images with reduced aberrations. However, bulky conventional optical elements can offer limited optical functions that are determined by their shapes. As a result, optical devices with conventional optics inevitably involve a large form factor due to not only bulky optical elements but also the spacing between these elements.With the recent advents of various interdisciplinary technologies, novel optical and optoelectronic applications have emerged which impose new requirements that are hardly satisfied with conventional optics. To be specific, compact and light-weight optoelectronic devices are needed for their incorporation into a range of applications such as wearables, drones, and autonomous vehicles. Also, advanced optical functionalities are desired to facilitate emerging smart technologies in a range of fields including extended realities and computational imaging. Despite considerable efforts, it still remains elusive to completely fulfill these new technological demands with conventional optics, primarily due to their way of controlling light based on the shapes. Thus, these challenges urge for the creation of a new type of optical component that achieves control over light waves in a way beyond conventional optics.Recently, it has been recognized that light-matter interactions at the nanoscale can be harnessed to manipulate light waves in a controlled fashion, underlying the formation of so-called flat optical elements. This new type of optical element is typically composed of high-index dielectric nanostructures on a transparent substrate. Optical resonances in these nanostructures can give rise to strong light scattering that is naturally sensitive to a specific set of the physical properties of light waves. Moreover, their resonance properties can be readily tuned by the geometrical parameters of the nanostructures in a systematic manner. Through careful nanostructure design, a number of flat optical elements have been successfully created to replace their conventional counterparts by realizing similar optical functions in a compact fashion. As their optical functions are decoupled from their shapes, flat optical elements can be further engineered to enable novel optical functions that are unattainable by conventional optics.
일반주제명  
Nanowires
일반주제명  
Semiconductors
일반주제명  
Handedness
일반주제명  
Magnetic fields
일반주제명  
Electric fields
일반주제명  
Design
일반주제명  
Optical properties
일반주제명  
Physical properties
일반주제명  
Optics
일반주제명  
Geometry
일반주제명  
Radiation
일반주제명  
Nanotechnology
일반주제명  
Electromagnetics
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 87-05A.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■1001  ▼aHong,  Jiho.
■24510▼aSpin  and  Surface  Textures  in  Nanophotonics
■260    ▼a[Sl]▼bStanford  University▼c2023
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2023
■300    ▼a56  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-05,  Section:  A.
■500    ▼aAdvisor:  Brongersma,  Mark.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2023.
■520    ▼aAn  enormous  amount  of  information,  at  every  moment,  falls  into  our  visual  system  that  are  capable  of  sensing  the  brightness  and  color  of  light,  which  might  answer  why  light  has  been  intriguing  us  for  such  a  long  time.  In  fact,  light  carries  information  on  its  multiple  degrees  of  freedom,  not  only  the  intensity  and  wavelength,  but  also  the  phase,  polarization,  and  wavevector.  This  has  laid  the  foundation  for  a  variety  of  optical  characterization  and  imaging  methods  to  study  materials,  structures,  or  optical  scenes  that  light  interacts  with.  To  implement  and  benefit  from  such  methods,  it  is  essential  to  achieve  precise  control  over  light  waves  based  on  these  intrinsic  properties  of  light.This  has  been  typically  obtained  by  using  conventional  optics  such  as  lenses,  filters,  mirrors,  polarizers,  and  waveplates.  Such  conventional  optical  components  have  played  a  pivotal  role  in  optical  and  optoelectronic  devices  by  delivering  optical  functions  that  are  needed  for  their  operation.  To  accommodate  the  demand  for  high  optical  performance,  a  set  of  conventional  optical  elements  are  often  combined  in  an  optical  system  with  precise  alignment.  This  strategy  has  been  widely  employed  to  build  a  variety  of  high-performance  modern  optical  devices  and  instruments.  For  instance,  digital  cameras  and  microscopes  rely  on  compound  lenses  to  capture  high-quality  images  with  reduced  aberrations.  However,  bulky  conventional  optical  elements  can  offer  limited  optical  functions  that  are  determined  by  their  shapes.  As  a  result,  optical  devices  with  conventional  optics  inevitably  involve  a  large  form  factor  due  to  not  only  bulky  optical  elements  but  also  the  spacing  between  these  elements.With  the  recent  advents  of  various  interdisciplinary  technologies,  novel  optical  and  optoelectronic  applications  have  emerged  which  impose  new  requirements  that  are  hardly  satisfied  with  conventional  optics.  To  be  specific,  compact  and  light-weight  optoelectronic  devices  are  needed  for  their  incorporation  into  a  range  of  applications  such  as  wearables,  drones,  and  autonomous  vehicles.  Also,  advanced  optical  functionalities  are  desired  to  facilitate  emerging  smart  technologies  in  a  range  of  fields  including  extended  realities  and  computational  imaging.  Despite  considerable  efforts,  it  still  remains  elusive  to  completely  fulfill  these  new  technological  demands  with  conventional  optics,  primarily  due  to  their  way  of  controlling  light  based  on  the  shapes.  Thus,  these  challenges  urge  for  the  creation  of  a  new  type  of  optical  component  that  achieves  control  over  light  waves  in  a  way  beyond  conventional  optics.Recently,  it  has  been  recognized  that  light-matter  interactions  at  the  nanoscale  can  be  harnessed  to  manipulate  light  waves  in  a  controlled  fashion,  underlying  the  formation  of  so-called  flat  optical  elements.  This  new  type  of  optical  element  is  typically  composed  of  high-index  dielectric  nanostructures  on  a  transparent  substrate.  Optical  resonances  in  these  nanostructures  can  give  rise  to  strong  light  scattering  that  is  naturally  sensitive  to  a  specific  set  of  the  physical  properties  of  light  waves.  Moreover,  their  resonance  properties  can  be  readily  tuned  by  the  geometrical  parameters  of  the  nanostructures  in  a  systematic  manner.  Through  careful  nanostructure  design,  a  number  of  flat  optical  elements  have  been  successfully  created  to  replace  their  conventional  counterparts  by  realizing  similar  optical  functions  in  a  compact  fashion.  As  their  optical  functions  are  decoupled  from  their  shapes,  flat  optical  elements  can  be  further  engineered  to  enable  novel  optical  functions  that  are  unattainable  by  conventional  optics.
■590    ▼aSchool  code:  0212.
■650  4▼aNanowires
■650  4▼aSemiconductors
■650  4▼aHandedness
■650  4▼aMagnetic  fields
■650  4▼aElectric  fields
■650  4▼aDesign
■650  4▼aOptical  properties
■650  4▼aPhysical  properties
■650  4▼aOptics
■650  4▼aGeometry
■650  4▼aRadiation
■650  4▼aNanotechnology
■650  4▼aElectromagnetics
■690    ▼a0752
■690    ▼a0389
■690    ▼a0652
■690    ▼a0607
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g87-05A.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2023
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360820▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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