The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 24, 2010
Filed:
Jun. 06, 2007
Applicants:
Chii-chang Chen, Pingzhen, TW;
Ya-lun Tsai, Taipei, TW;
Ching-yi Chen, Banciao, TW;
Jenq-yang Chang, Taipei, TW;
Inventors:
Chii-Chang Chen, Pingzhen, TW;
Ya-Lun Tsai, Taipei, TW;
Ching-Yi Chen, Banciao, TW;
Jenq-Yang Chang, Taipei, TW;
Assignee:
National Central University, Taoyuan County, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); C03C 25/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A waveguide has a hollow center. The waveguide has dielectric tubes which have a geometric arrangement, like a triangle-lattice arrangement. A laser transmitted in the waveguide is confined and is emitted out with a narrow expending angle. Hence, the laser is emitted straightly forwarded and has a low power loss. The present invention is suitable for using in a high-power laser and obtaining a directive microwave.