dorsal/arxiv
View SchemaPhotonic Crystal Laser Accelerator Structures
| Authors | Benjamin Cowan, Mehdi Javanmard, Robert H. Siemann |
|---|---|
| Categories | |
| ArXiv ID | physics/0306130 |
| URL | https://arxiv.org/abs/physics/0306130 |
| DOI | 10.1063/1.1842559 |
| Journal | Conf.Proc.C030512:1855,2003 |
Abstract
Photonic crystals have great potential for use as laser-driven accelerator structures. A photonic crystal is a dielectric structure arranged in a periodic geometry. Like a crystalline solid with its electronic band structure, the modes of a photonic crystal lie in a set of allowed photonic bands. Similarly, it is possible for a photonic crystal to exhibit one or more photonic band gaps, with frequencies in the gap unable to propagate in the crystal. Thus photonic crystals can confine an optical mode in an all-dielectric structure, eliminating the need for metals and their characteristic losses at optical frequencies. We discuss several geometries of photonic crystal accelerator structures. Photonic crystal fibers (PCFs) are optical fibers which can confine a speed-of-light optical mode in vacuum. Planar structures, both two- and three-dimensional, can also confine such a mode, and have the additional advantage that they can be manufactured using common microfabrication techniques such as those used for integrated circuits. This allows for a variety of possible materials, so that dielectrics with desirable optical and radiation-hardness properties can be chosen. We discuss examples of simulated photonic crystal structures to demonstrate the scaling laws and trade-offs involved, and touch on potential fabrication processes.
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"abstract": "Photonic crystals have great potential for use as laser-driven accelerator\nstructures. A photonic crystal is a dielectric structure arranged in a periodic\ngeometry. Like a crystalline solid with its electronic band structure, the\nmodes of a photonic crystal lie in a set of allowed photonic bands. Similarly,\nit is possible for a photonic crystal to exhibit one or more photonic band\ngaps, with frequencies in the gap unable to propagate in the crystal. Thus\nphotonic crystals can confine an optical mode in an all-dielectric structure,\neliminating the need for metals and their characteristic losses at optical\nfrequencies.\n We discuss several geometries of photonic crystal accelerator structures.\nPhotonic crystal fibers (PCFs) are optical fibers which can confine a\nspeed-of-light optical mode in vacuum. Planar structures, both two- and\nthree-dimensional, can also confine such a mode, and have the additional\nadvantage that they can be manufactured using common microfabrication\ntechniques such as those used for integrated circuits. This allows for a\nvariety of possible materials, so that dielectrics with desirable optical and\nradiation-hardness properties can be chosen. We discuss examples of simulated\nphotonic crystal structures to demonstrate the scaling laws and trade-offs\ninvolved, and touch on potential fabrication processes.",
"arxiv_id": "physics/0306130",
"authors": [
"Benjamin Cowan",
"Mehdi Javanmard",
"Robert H. Siemann"
],
"categories": [
"physics.acc-ph"
],
"doi": "10.1063/1.1842559",
"journal_ref": "Conf.Proc.C030512:1855,2003",
"title": "Photonic Crystal Laser Accelerator Structures",
"url": "https://arxiv.org/abs/physics/0306130"
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