The extended additional layer method EALM of calculating the coupling coefficient of arbitrarily shaped gratings is proposed. To determine the unperturbed field distributions, a grating region is replaced by a new uniform layer whose dielectric constant is the a¨erage ¨alue of the dielectric constan
Extended Dunkerley's method for additional flexibility
β Scribed by N.G. Stephen
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 488 KB
- Volume
- 146
- Category
- Article
- ISSN
- 0022-460X
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