Referenced Items are not available for this document.
Tunable optical true time-delay modules based on a dispersive waveguide hologram are presented to provide continuous radio-frequency beam scanning for an X-band (8-12 GHz) phased-array antenna system. The true time-delay modules operating in the 1550-nm region were fabricated with continuously tunable time delays from 5 to 64 ps. The far-field radiation patterns were measured with different delay combinations and the continuity of the scanning angles from 35/spl deg/ to 55/spl deg/ was experimentally confirmed at X-band frequencies.
Published in:
Photonics Technology Letters, IEEE
(Volume:15
,
Issue:
7
)
Date of Publication: July 2003
- Page(s):
- 972 - 974
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 7683535
- Digital Object Identifier :
- 10.1109/LPT.2003.813392
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 25 June 2003
- Issue Date :
- July 2003
- Sponsored by :
- IEEE Photonics Society
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