Grating Formation in BGG3l Glass by UV Exposure
Abstract
A three-dimensional index variation grating in bulk BGG31 glasswritten using neither hydrogen loading nor germanium doping isdemonstrated. This material is useful for fabricating ionexchangedwaveguides, and its photascnsitivity to ultraviolet (LTV)radiation at 248nm has not bcen previously explond. Intensitymeasnrcments of the Bragg diffracted spots indicated a milximumindex variation (delta n) of approximately 4 X 10(-5).
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 05, 1999
- Accession Number
- AD1021797
Entities
People
- Amnon Yariv
- D. F. Geraghty
- D. Provenzano
- N. Peyghambarian
- S. Honkanen
- William K. Marshall
Organizations
- California Institute of Technology