{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T11:00:00Z","timestamp":1753873200236,"version":"3.41.2"},"reference-count":19,"publisher":"AIP Publishing","issue":"7","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2014,2,17]]},"abstract":"<jats:p>Pressure fiber sensors play an important role in downhole high pressure measurements to withstand long term operation. The purpose of this paper is to present an application of hollow core photonic crystal fiber (HC-PCF) as a high pressure sensor head for downhole application based on dispersion variation. We used a high pressure stainless steel unit to exert pressure on the sensor. The experimental results show that different wavelengths based on sagnac loop interferometer have additive sensitivities from 5\u2009\u00d7\u200910\u22125\u2009nm\/psi at 1480\u2009nm to 1.3\u2009\u00d7\u200910\u22123\u2009nm\/psi at 1680\u2009nm. We developed a simulation to understand the reason for difference in sensitivity of wavelengths and also the relationship between deformation of HC-PCF and dispersion variation under pressure. For this purpose, by using the finite element method, we investigated the effect of structural variation of HC-PCF on spectral transformation of two linear polarizations under 1000\u2009psi pressure. The simulation and experimental results show exponential decay behavior of dispersion variation from \u22123.4\u2009\u00d7\u200910\u22126 1\/psi to \u22121.3\u2009\u00d7\u200910\u22126 1\/psi and from \u22125\u2009\u00d7\u200910\u22126 1\/psi to \u22121.8\u2009\u00d7\u200910\u22126 1\/psi, respectively, which were in a good accordance with each other.<\/jats:p>","DOI":"10.1063\/1.4866334","type":"journal-article","created":{"date-parts":[[2014,2,21]],"date-time":"2014-02-21T01:31:13Z","timestamp":1392946273000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":18,"title":["Behavior of a hollow core photonic crystal fiber under high radial pressure for downhole application"],"prefix":"10.1063","volume":"104","author":[{"given":"J.","family":"Sadeghi","sequence":"first","affiliation":[{"name":"Laser and Plasma Research Institute, Shahid Beheshti University 1 , 1983963113 Tehran, Iran"}]},{"given":"H.","family":"Latifi","sequence":"additional","affiliation":[{"name":"Laser and Plasma Research Institute, Shahid Beheshti University 1 , 1983963113 Tehran, Iran"},{"name":"Department of Physics, Shahid Beheshti University 2 , Evin, 1983963113 Tehran, Iran"}]},{"given":"J. L.","family":"Santos","sequence":"additional","affiliation":[{"name":"INESC Porto\u2014Instituto de Engenharia de Sistemas e Computadores do Porto 3 , Rua do Campo Alegre, 687, 4169-007 Porto, Portugal"},{"name":"Departamento de F\u00edsica, da Faculdade de Ci\u00eancias, da Universidade do Porto 4 , Rua do Campo Alegre, 687, 4169-007 Porto, Portugal"}]},{"given":"Z.","family":"Chenari","sequence":"additional","affiliation":[{"name":"Laser and Plasma Research Institute, Shahid Beheshti University 1 , 1983963113 Tehran, Iran"}]},{"given":"F.","family":"Ziaee","sequence":"additional","affiliation":[{"name":"Laser and Plasma Research Institute, Shahid Beheshti University 1 , 1983963113 Tehran, Iran"}]}],"member":"317","published-online":{"date-parts":[[2014,2,20]]},"reference":[{"volume-title":"Optical Waveguide Theory","year":"1983","key":"2023061802331822700_c1"},{"key":"2023061802331822700_c2","doi-asserted-by":"publisher","first-page":"1476","DOI":"10.1126\/science.282.5393.1476","volume":"282","year":"1998","journal-title":"Science"},{"key":"2023061802331822700_c3","doi-asserted-by":"publisher","first-page":"1537","DOI":"10.1126\/science.285.5433.1537","volume":"285","year":"1999","journal-title":"Science"},{"key":"2023061802331822700_c4","doi-asserted-by":"publisher","first-page":"358","DOI":"10.1126\/science.1079280","volume":"299","year":"2003","journal-title":"Science"},{"key":"2023061802331822700_c5","doi-asserted-by":"publisher","first-page":"1485","DOI":"10.1364\/OPEX.12.001485","volume":"12","year":"2004","journal-title":"Opt. 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