Dependence of polytetrafluoroethylene reflectance on thickness at visible and ultraviolet wavelengths in air

Ghosh, S.; Felkai, R.; Toledo, J.F.; Guenette, R.; Haefner, J.; Church, E.; Laing, A.; Ripoll, L.; Jones, B.J.P.; Monrabal, F.; Woodruff, K.; Ferrario, P.; Querol, M.; Sorel, M.; Díaz, J.; Hernando Morata, J.A.; Riordan, S.; Renner, J.; Stiegler, T.; Ifergan, Y.; Fernandes, L.M.P.; Torrent, J.; Gutiérrez, R.M.; Fernandes, A.F.M.; Martínez, A.; Rogers, L.; White, J.T.; Álvarez, V.; Esteve, R.; Romo-Luque, C.; Santos, F.P.; Rodríguez, J.; Byrnes, N.; Ferreira, A.L.; Novella, P.; Losada, M.; Nygren, D.R.; Muñoz Vidal, J.; Redwine, A.; Simón, A.; Yahlali, N.; Díaz, G.; Escada, J.; dos Santos, J.M.F.; Martínez-Lema, G.; Repond, J.; Para, A.; Freitas, E.D.C.; Hafidi, K.; Mora, F.J.; Goldschmidt, A.; López-March, N.; Li, X.; Mano, R.D.P.; Loya Villalpando, A.A.; Benlloch-Rodríguez, J.M.; Pérez, J.; Bailey, K.; Usón, A.; Labarga, L.; Contreras, T.; Romeo, B.; Arnquist, I.J.; Herrero, V.; Gómez-Cadenas, J.J.; Cebrián, S.; Martínez-Vara, M.; Conde, C.A.N.; Cárcel, S.; Burch, C.; Lebrun, P.; Carrión, J.V.; Adams, C.; Hauptman, J.; Webb, R.; Martín-Albo, J.; Borges, F.I.G.M.; Azevedo, C.D.R.; The, NEXT, collaboration; McDonald, A.D.; Weiss-Babai, R.; Henriques, C.A.O.; Diesburg, M.; Kekic, M.; González-Díaz, D.; Monteiro, C.M.B.; Veloso, J.F.C.A.; Arazi, L.; Rodríguez García, Y.; Ballester, F.; Herrero, P.; Palmeiro, B.

doi:10.1088/1748-0221/15/11/P11031

000097404 001__ 97404
000097404 005__ 20210902121841.0
000097404 0247_ $$2doi$$a10.1088/1748-0221/15/11/P11031
000097404 0248_ $$2sideral$$a121789
000097404 037__ $$aART-2020-121789
000097404 041__ $$aeng
000097404 100__ $$aGhosh, S.
000097404 245__ $$aDependence of polytetrafluoroethylene reflectance on thickness at visible and ultraviolet wavelengths in air
000097404 260__ $$c2020
000097404 5060_ $$aAccess copy available to the general public$$fUnrestricted
000097404 5203_ $$aPolytetrafluoroethylene (PTFE) is an excellent diffuse reflector widely used in light collection systems for particle physics experiments. However, the reflectance of PTFE is a function of its thickness. In this work, we investigate this dependence in air for light of wavelengths 260 nm and 450 nm using two complementary methods. We find that PTFE reflectance for thicknesses from 5 mm to 10 mm ranges from 92.5% to 94.5% at 450 nm, and from 90.0% to 92.0% at 260 nm. We also see that the reflectance of PTFE of a given thickness can vary by as much as 2.7% within the same piece of material. Finally, we show that placing a specular reflector behind the PTFE can recover the loss of reflectance in the visible without introducing a specular component in the reflectance.
000097404 536__ $$9info:eu-repo/grantAgreement/EC/H2020/674896/EU/The Elusives Enterprise: Asymmetries of the Invisible Universe/ELUSIVES$$9This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No H2020 674896-ELUSIVES$$9info:eu-repo/grantAgreement/EC/H2020/690575/EU/InvisiblesPlus/InvisiblesPlus$$9This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No H2020 690575-InvisiblesPlus$$9info:eu-repo/grantAgreement/EC/H2020/740055/EU/Molecule for low diffusion TPCs for rare event searches/MELODIC$$9This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No H2020 740055-MELODIC$$9info:eu-repo/grantAgreement/ES/MINECO-MCIU/FIS2014-53371-C04$$9info:eu-repo/grantAgreement/ES/MINECO-MCIU/RTI2018-095979$$9info:eu-repo/grantAgreement/ES/MINECO/MDM-2016-0692$$9info:eu-repo/grantAgreement/ES/MINECO/SEV-2014-0398
000097404 540__ $$9info:eu-repo/semantics/openAccess$$aAll rights reserved$$uhttp://www.europeana.eu/rights/rr-f/
000097404 590__ $$a1.415$$b2020
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000097404 593__ $$aMathematical Physics$$c2020$$dQ1
000097404 593__ $$aInstrumentation$$c2020$$dQ1
000097404 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion
000097404 700__ $$aHaefner, J.
000097404 700__ $$aMartín-Albo, J.
000097404 700__ $$aGuenette, R.
000097404 700__ $$aLi, X.
000097404 700__ $$aLoya Villalpando, A.A.
000097404 700__ $$aBurch, C.
000097404 700__ $$aAdams, C.
000097404 700__ $$aÁlvarez, V.
000097404 700__ $$aArazi, L.
000097404 700__ $$aArnquist, I.J.
000097404 700__ $$aAzevedo, C.D.R.
000097404 700__ $$aBailey, K.
000097404 700__ $$aBallester, F.
000097404 700__ $$aBenlloch-Rodríguez, J.M.
000097404 700__ $$aBorges, F.I.G.M.
000097404 700__ $$aByrnes, N.
000097404 700__ $$aCárcel, S.
000097404 700__ $$aCarrión, J.V.
000097404 700__ $$0(orcid)0000-0002-6948-5101$$aCebrián, S.$$uUniversidad de Zaragoza
000097404 700__ $$aChurch, E.
000097404 700__ $$aConde, C.A.N.
000097404 700__ $$aContreras, T.
000097404 700__ $$aDíaz, G.
000097404 700__ $$aDíaz, J.
000097404 700__ $$aDiesburg, M.
000097404 700__ $$aEscada, J.
000097404 700__ $$aEsteve, R.
000097404 700__ $$aFelkai, R.
000097404 700__ $$aFernandes, A.F.M.
000097404 700__ $$aFernandes, L.M.P.
000097404 700__ $$aFerrario, P.
000097404 700__ $$aFerreira, A.L.
000097404 700__ $$aFreitas, E.D.C.
000097404 700__ $$aGoldschmidt, A.
000097404 700__ $$aGómez-Cadenas, J.J.
000097404 700__ $$aGonzález-Díaz, D.
000097404 700__ $$aGutiérrez, R.M.
000097404 700__ $$aHafidi, K.
000097404 700__ $$aHauptman, J.
000097404 700__ $$aHenriques, C.A.O.
000097404 700__ $$aHernando Morata, J.A.
000097404 700__ $$aHerrero, P.
000097404 700__ $$aHerrero, V.
000097404 700__ $$aIfergan, Y.
000097404 700__ $$aJones, B.J.P.
000097404 700__ $$aKekic, M.
000097404 700__ $$aLabarga, L.
000097404 700__ $$aLaing, A.
000097404 700__ $$aLebrun, P.
000097404 700__ $$aLópez-March, N.
000097404 700__ $$aLosada, M.
000097404 700__ $$aMano, R.D.P.
000097404 700__ $$aMartínez, A.
000097404 700__ $$aMartínez-Vara, M.
000097404 700__ $$aMartínez-Lema, G.
000097404 700__ $$aMcDonald, A.D.
000097404 700__ $$aMonrabal, F.
000097404 700__ $$aMonteiro, C.M.B.
000097404 700__ $$aMora, F.J.
000097404 700__ $$aMuñoz Vidal, J.
000097404 700__ $$aNovella, P.
000097404 700__ $$aNygren, D.R.
000097404 700__ $$aPalmeiro, B.
000097404 700__ $$aPara, A.
000097404 700__ $$aPérez, J.
000097404 700__ $$aQuerol, M.
000097404 700__ $$aRedwine, A.
000097404 700__ $$aRenner, J.
000097404 700__ $$aRepond, J.
000097404 700__ $$aRiordan, S.
000097404 700__ $$aRipoll, L.
000097404 700__ $$aRodríguez García, Y.
000097404 700__ $$aRodríguez, J.
000097404 700__ $$aRogers, L.
000097404 700__ $$aRomeo, B.
000097404 700__ $$aRomo-Luque, C.
000097404 700__ $$aSantos, F.P.
000097404 700__ $$ados Santos, J.M.F.
000097404 700__ $$aSimón, A.
000097404 700__ $$aSorel, M.
000097404 700__ $$aStiegler, T.
000097404 700__ $$aToledo, J.F.
000097404 700__ $$aTorrent, J.
000097404 700__ $$aUsón, A.
000097404 700__ $$aVeloso, J.F.C.A.
000097404 700__ $$aWebb, R.
000097404 700__ $$aWeiss-Babai, R.
000097404 700__ $$aWhite, J.T.
000097404 700__ $$aWoodruff, K.
000097404 700__ $$aYahlali, N.
000097404 700__ $$aThe, NEXT, collaboration
000097404 7102_ $$12004$$2390$$aUniversidad de Zaragoza$$bDpto. Física Teórica$$cÁrea Física Atóm.Molec.y Nucl.
000097404 773__ $$g15, 11 (2020), [16 pp]$$pJournal of Instrumentation$$tJournal of Instrumentation$$x1748-0221
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000097404 951__ $$a2021-09-02-10:23:25
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