Journal of Sensors / 2009 / Article / Fig 2

Review Article

Microstructured and Photonic Bandgap Fibers for Applications in the Resonant Bio- and Chemical Sensors

Figure 2

Various types of hollow core photonic bandgap fibers. (a) Bragg fiber featuring large hollow core surrounded by a periodic sequence of high and low refractive index layers. (b) Photonic crystal fiber featuring small hollow core surrounded by a periodic array of large air holes. (c) Microstructured fiber featuring medium size hollow core surrounded by several rings of small air holes separated by nano-size bridges.

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