Download Advanced Optical Imaging Theory by Min Gu PDF

By Min Gu

Optical microscopy and linked applied sciences complex speedy after the creation of the laser. The options have encouraged extra improvement of optical imaging concept, together with three-d microscopy imaging idea in spatial and frequency domain names, the idea of imaging with ultrashort-pulse beams and aberration concept for high-numerical-aperture goals. This booklet introduces those new theories when it comes to glossy optical microscopy. It includes seven chapters together with an advent. The chapters are geared up to reduce cross-referencing. Comparisons with classical imaging conception are made whilst the hot imaging idea is brought. The publication is meant for senior undergraduate scholars in classes on optoelectronics, optical engineering, photonics, biophotonics and utilized physics, once they have accomplished glossy optics or an analogous topic. it's also a reference for different scientists attracted to the field.

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The lens is a diffraction screen of a complex transmittance given by Eq. 9). Therefore, the field in the plane immediately behind the lens is f-1 Fig. 1 Diffraction by a thin lens in the focal plane. 1) So the field in the focal plane can be derived from the Fresnel diffraction formula given in Eq. 5). Substituting Eq. 1) into Eq. e. 2) Here the nonlinear phase term in Eq. 5) has been expanded into three terms in the second line of Eq. 2). 3) To explain the physical meaning of Eq. 3), we let m =x3/(fo) and n = y3/(fo).

Sato, M. Ishigure, and H. Inaba, Electron. , 17 ( 1991) 1831. S. Sato, Y. Harada, andY. Waseda, Opt. , 19 (1994) 1807. G. M. Galletin and P. L. Gould, J. Opt. Soc. Am. B, 8 (1991) 502. J. J. McClelland and M. R. Scheinfein, J. Opt. Soc. Am. B, 8 (1991) 1974. M. Gu and X. Gan, Optik, 105 ( 1997) 51. N. R. Heckenberg, R. McDuff, C. P. Smith, H. Rubinsztein-Dunlop, and M. J. Wegener, Opt. and Quan. , 24 (1992) S951. 2], discussions on imaging performance of a lens are usually limited to thin objects because conventional optical microscopy provides a two-dimensional (2-D) image of a thin sample.

There is no analytical solution to Eq. 29). A numerically calculated result of Eq. 29) for n = I is shown in Fig. 7. It is clearly seen that the intensity is zero in the center of the focal plane. 3 Coherent Image Formation The diffraction pattern by a lens derived in the last section is under the condition of the uniform illumination on the lens aperture. To analyse the imaging performance of a lens or a lens system, we need to consider an object placed in front of a lens. 3 Coherent Image Formation 51 tion, we assume a thin object imaged by a thin lens.

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