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Simple feed-through for coupling optical fibres into high pressure and temperature systems

Thomas Reinsch, Christian Cunow, Jörg Schrötter, Ronny Giese
2013 Measurement science and technology  
A best practice guide for assembling and testing a simple and inexpensive system feeding an optical fibre into a high pressure and temperature environment is presented. A standard Swagelok type connector is tested together with different ferrule materials and a PEEK capillary tube as feed-through. The system proofed to seal an optical fibre during several pressure and temperature cycling experiments up to 500 bar and 180{\deg}C.
doi:10.1088/0957-0233/24/3/037001 fatcat:irdrup6bl5fsnoo5fmfvajtgf4