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Gas Cell Based on Hollow-Core Photonic Crystal Fiber and its Application for the Detection of Greenhouse Gas: Nitrous Oxide
Gas Cell Based on Hollow-Core Photonic Crystal Fiber and its Application for the Detection of Greenhouse Gas: Nitrous Oxide
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机译:中空光子晶体光纤的气室及其在温室气体检测中的应用:一氧化二氮
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摘要
Unique gas cell constructions based on a hollow-core photonic crystal fiber are used, for example, inside a fiber ring laser cavity as an intracavity gas cell. In one embodiment, two simple terminal blocks are coupled to opposite ends of the hollow-core photonic crystal fiber. Each block features a main through-bore with an optical window at one end and an optical fiber chuck fitted at the other end, while a transverse bore intersects the main bore and features a gas fitting for connection to a gas source or vacuum pump. In another embodiment, the hollow-core photonic crystal fiber is contained within an enclosure whose exterior walls are fitted with optical windows and gas ports. Inside the enclosure, fiber clamps supports the ends of the hollow-core photonic crystal fiber at positions adjacent to an in alignment with the optical windows.
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