Near Infrared (NIR) achromatic phase retarder

J. Ma, J. Wang, Wenda Cao, C. Denker, Haimin Wang

Research output: Contribution to journalConference articlepeer-review

5 Scopus citations


The tunable near InfraRed Lyot filter (TNIRLF) is one of the focal plane instruments for Advanced Technology Solar Telescope (ATST) project of the National Solar Observatory (NSO). Achromatic half waveplate and quarter waveplates working from 1000 nm to 1700 nm will be used in this filter. In this paper, we give a description of the design and development for the synthesized achromatic waveplates using quartz plates. The retardance variation is within 1% over the full spectral range and we discuss the variance of optical axis.

Original languageEnglish (US)
Article number15
Pages (from-to)139-147
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2004
EventCurrent Developments in Lens Design and Optical Engineering V - Denver, CO, United States
Duration: Aug 4 2004Aug 5 2004

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


  • Achromatic Waveplate
  • Birefringent Filter
  • Polarization
  • Retardance


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