DocumentCode
1379637
Title
Birefringent rugate filters
Author
McPhun, A.J. ; Wu, Q.H. ; Hodgkinson, I.J.
Author_Institution
Dept. of Phys., Otago Univ., Dunedin, New Zealand
Volume
34
Issue
4
fYear
1998
fDate
2/19/1998 12:00:00 AM
Firstpage
360
Lastpage
361
Abstract
The design and fabrication of a birefringent rugate filter (birugate) is discussed. Zirconium oxide was deposited onto a slowly oscillating substrate to produce an optical medium with a sinusoidally modulated columnar microstructure. The modulated medium is inhomogeneous and biaxial, but normally incident beams of p and s polarised light propagate without cross-coupling. The birugate has displaced p and s transmittance peaks, and has potential uses in optical communications
Keywords
birefringence; interference filters; optical fabrication; optical films; vacuum deposited coatings; zirconium compounds; ZrO2; birefringent rugate filter; birugate; design; fabrication; inhomogeneous biaxial optical medium; optical communication; oscillating substrate; sinusoidally modulated columnar microstructure; zirconium oxide;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19980309
Filename
675694
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