Cascaded annular lens systems
β Scribed by R. Boulay; J.W.Y. Lit; R. Tremblay
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- English
- Weight
- 168 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0030-4018
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π SIMILAR VOLUMES
Focusing properties of attened Gaussian beams (FGBs) passing through an annular lens is studied based on the Collins formula. It is found that the on-axis irradiance distributions of focused FGBs are unsymmetrical with respect to the geometrical focal plane even for large values of Fresnel number Fw
Global robust stabilization of nonlinear cascaded systems is a challenging problem when the zero-dynamics is not exponentially stable. Recently, some recursive procedure has been developed for handling this problem utilizing the small gain theorem. However, the success of the procedure depends on th