Download New Photonics Technologies for the Information Age by Katsunari Okamoto, Shoichi Sudo PDF

By Katsunari Okamoto, Shoichi Sudo

ISBN-10: 1580536964

ISBN-13: 9781580536967

ISBN-10: 1580536972

ISBN-13: 9781580536974

Representing either technical fields and fields during which the know-how is used, participants from businesses and universities in Europe, the united states, and Japan discover the potential of ubiquitous details know-how promised via the combination of optical know-how, instant expertise, and net know-how. the ten papers, chosen from a may possibly 2003 symposium in Atsugi, Japan, talk about the renaissance of physics and know-how for ubiquitous details know-how providers; new photonics, electronics, and micromechanatronics functions for biology and ubiquitous clinical sensing; and new communications schemes for ubiquitous info know-how companies. between particular subject matters are photonic crystal fibers in communications and sensing, clients for an international community, physics and functions of nanophotonics, and a near-field sensing transceiver for intrabody communications.

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Sample text

This is made possible by a combination of ultrasmall cores and dispersion zeros that can be shifted to coincide with the pump laser wavelength. 11, the group velocity dispersion is plotted against wavelength in the range from 500 to 1,000 nm. Bulk silica glass has normal dispersion in this range. However, if we form a PCF with an ultrasmall core (800 nm in diameter; see the inset in the figure), the dispersion is changed beyond recognition. 1 µm. 58 dB/km at 1,550 nm, caused predominantly by scattering at the air-glass interfaces.

1469–1471. 3, European Conference on Optical Communications (ECOC’02), Copenhagen, Denmark, September 2002. , “Ultra Low Loss and Long Length Photonic Crystal Fiber,” Optical Fiber Communication Conference (OFC 2003), postdeadline paper PD1, Atlanta, GA, March 2003. [16] Wadsworth, W. , “Supercontinuum Generation in Photonic Crystal Fibers and Optical Fiber Tapers: A Novel Light Source,” J. Opt. Soc. Am. B, Vol. 19, 2002, pp. 2148–2155. , “Enhanced Visualization of Choroidal Vessels Using Ultrahigh Resolution Ophthalmic OCT at 1050 nm,” Opt.

The guidance mechanism is of course the photonic band gap. I will discuss several topics under the general heading of photonic crystal fibers. Although these fibers are also sometimes known as holey fibers or microstructure fibers, today the name PCF is generally preferred. 2. On the bottom right is one of the first PCFs we made in 1995 [5]. It has quite small air holes (on order of 200 nm in diameter), an interhole spacing of 2,300 nm, and in the center a missing air hole forms a core. This particular structure is single-mode at every wavelength of guidance; that is, “endlessly single-mode” [6].

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