Bragg reflectors: Sinusoidal versus rectangular corrugation

C. K. Chong, D. B. McDermott, M. M. Razeghi, N. C. Luhmann, M. Thumm, J. Pretterebner

Research output: Contribution to journalConference articlepeer-review

Abstract

A Bragg reflector composed of periodic cylindrically symmetric corrugations can provide a reflection of nearly unity through the principles of constructive interference, allowing the creation of a frequency selective resonator. Measurements of reflectivity for both rectangular and sinusoidal corrugations are presented.

Original languageEnglish (US)
Article number15142E
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume1514
DOIs
StatePublished - 1990
Externally publishedYes
Event15th International Conference on Infrared and Millimeter Waves 1990 - Orlando, United States
Duration: Dec 10 1990Dec 14 1990

Funding

For the UCLA 400 kV CARM experiment, tapered Bragg reflectors with high mode purity have been designed using Hamming Window filter theory and are being fabricated. The Bragg reflector next to the electron gun will give 99 percent reflection and the output Bragg will reflect 96 percent. Each yields less than 0.2 percent mode conversion to TM1I This Work was supported by ONR /NRL under contract N00014 -87 -K -2032, AFOSR under Grant 89- 0005, ARO under Contract DAAL03 -87 -K -0139 and Rome Air Development Center(ATRI) under Contract F30602-87-C0201.

ASJC Scopus subject areas

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

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