By Hongrui Jiang
''Microlenses and microlens arrays are an essential component of contemporary optical platforms with functions in MEMS and sensor structures. This e-book explores the physics and optical houses of a number of microlenses, besides their fabrication, tuning, and purposes in numerous fields. even supposing targeting liquid lenses, the textual content covers all lens platforms. The authors speak about such issues as microfabrication and Read more...
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Additional resources for Microlenses : properties, fabrication and liquid lenses
Example text
11. S. Reichelt and H. Zappe, “Combined Twyman-Green and Mach-Zehnder interferometer for microlens testing,” Applied Optics, vol. 44, pp. 5786–5792, 2005. 12. D. Lee and R. Haynes, “Characterization of lenslet arrays for astronomical spectroscopy,” Publications of the Astronomical Society of the Pacific, vol. 113, pp. 1406– 1419, 2001. T. M. Jeong, M. Menon, and G. Yoon, “Measurement of wave-front aberration in soft contact lenses by use of a Shack-Hartmann wave-front-sensor,” Applied Optics, vol.
J. Evans, R. E. Parks, P. J. Sullivan, and J. S. Taylor, “Visualization of surface figure by the use of Zernike polynomials,” Applied Optics, vol. 34, pp. 7815–7819, 1995. 10. P. D. Pulaski, J. P. Roller, D. R. Neal, and K. Ratte, “Measuremenst of aberrations in microlenses using a Shack-Hartmann wavefront sensor,” Proceedings of SPIE, vol. 4767, pp. 1–9, 2002. 11. S. Reichelt and H. Zappe, “Combined Twyman-Green and Mach-Zehnder interferometer for microlens testing,” Applied Optics, vol. 44, pp.
Thus, if an offaxis point object is imaged through a simple surface or lens, two focal lines will result: the radial line that lies in the plane of incidence and the tangential line perpendicular to the plane. This separation is called astigmatism. If the object is a radial line, its image is sharp at FR and blurred at FT. 10 Radial line object of rotational symmetry (top), tangential line object (center), and astigmatic image of spoked wheel (bottom). 10. If the off-axis object is a tangential line, it comes to a focus at FT, not at FR.