{"title":"基于周期坍缩固体核PCF的模态干涉仪用于化学传感","authors":"J. Dash, R. Jha","doi":"10.3389/fsens.2022.865215","DOIUrl":null,"url":null,"abstract":"We experimentally demonstrated a periodically collapsed solid-core photonic crystal fiber (SCPCF) based modal interferometer for sensing refractive index (RI) of chemicals. A given piece of SCPCF is periodically collapsed using an easily and widely available commercial splicer machine and a micropositioner. The distance between the collapsed and number of collapsed regions can be controlled precisely by the inexpensive micropositioner. The effect of the number of periods on the RI sensitivity has been studied. Our experimental results show that this simple and easily fabricated interferometer has an RI sensitivity of 230 nm/RIU with negligible cross-temperature error.","PeriodicalId":93754,"journal":{"name":"Frontiers in sensors","volume":" ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Periodic Collapsed Solid-Core PCF Based Modal Interferometer for Chemical Sensing\",\"authors\":\"J. Dash, R. Jha\",\"doi\":\"10.3389/fsens.2022.865215\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We experimentally demonstrated a periodically collapsed solid-core photonic crystal fiber (SCPCF) based modal interferometer for sensing refractive index (RI) of chemicals. A given piece of SCPCF is periodically collapsed using an easily and widely available commercial splicer machine and a micropositioner. The distance between the collapsed and number of collapsed regions can be controlled precisely by the inexpensive micropositioner. The effect of the number of periods on the RI sensitivity has been studied. Our experimental results show that this simple and easily fabricated interferometer has an RI sensitivity of 230 nm/RIU with negligible cross-temperature error.\",\"PeriodicalId\":93754,\"journal\":{\"name\":\"Frontiers in sensors\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-03-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Frontiers in sensors\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3389/fsens.2022.865215\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Frontiers in sensors","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3389/fsens.2022.865215","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Periodic Collapsed Solid-Core PCF Based Modal Interferometer for Chemical Sensing
We experimentally demonstrated a periodically collapsed solid-core photonic crystal fiber (SCPCF) based modal interferometer for sensing refractive index (RI) of chemicals. A given piece of SCPCF is periodically collapsed using an easily and widely available commercial splicer machine and a micropositioner. The distance between the collapsed and number of collapsed regions can be controlled precisely by the inexpensive micropositioner. The effect of the number of periods on the RI sensitivity has been studied. Our experimental results show that this simple and easily fabricated interferometer has an RI sensitivity of 230 nm/RIU with negligible cross-temperature error.
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