Radiation of Smith–Purcell type by a periodic strip grating over a grounded dielectric slab

✍ Scribed by Cheol Hoon Lee; Jong Ig Lee; Ung Hee Cho; Young Ki Cho

• Publisher: John Wiley and Sons
• Year: 1998
• Tongue: English
• Weight: 140 KB
• Volume: 19
• Category: Article
• ISSN: 0895-2477
• DOI: 10.1002/(sici)1098-2760(199811)19:4<292::aid-mop14>3.0.co;2-4

✦ Synopsis

The radiation problem of the Smith᎐Purcell type is considered for the case where a line charge mo¨es, at a constant speed, parallel to a periodic strip grating o¨er a grounded dielectric slab. Numerical results pertaining to the radiation intensities and magnitudes of space harmonics for ¨arious cases of geometrical parameters and dielectric permitti¨ities are presented, based upon which some discussions on the occurrence of the sharp maximum radiation intensity of the n s y1 space harmonic and the characteristic beha¨ior of neighboring space harmonic magnitudes under such a condition of maximum radiation are gi¨en. The relationship between the k d y ␤ d diagram and the 0