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  Point absorbers in Advanced LIGO

Brooks, A. F., Vajente, G., Yamamoto, H., Abbott, R., Adams, C., Adhikari, R. X., et al. (2021). Point absorbers in Advanced LIGO. Applied Optics, 60(13), 4047-4063. doi:10.1364/AO.419689.

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Brooks, Aidan F., Author
Vajente, Gabriele, Author
Yamamoto, Hiro, Author
Abbott, Rich, Author
Adams, Carl, Author
Adhikari, Rana X., Author
Ananyeva, Alena, Author
Appert, Stephen, Author
Arai, Koji, Author
Areeda, Joseph S., Author
Asali, Yasmeen, Author
Aston, Stuart M., Author
Austin, Corey, Author
Baer, Anne M., Author
Ball, Matthew, Author
Ballmer, Stefan W., Author
Banagiri, Sharan, Author
Barker, David, Author
Barsotti, Lisa, Author
Bartlett, Jeffrey, Author
Berger, Beverly K., AuthorBetzwieser, Joseph, AuthorBhattacharjee, Dripta, AuthorBillingsley, Garilynn, AuthorBiscans, Sebastien, AuthorBlair, Carl D., AuthorBlair, Ryan M., AuthorBode, Nina1, Author           Booker , Phillip1, AuthorBork, Rolf, AuthorBramley, Alyssa, AuthorBrown, Daniel D., AuthorBuikema, Aaron, AuthorCahillane, Craig, AuthorCannon, Kipp C., AuthorCao, Huy Tuong, AuthorChen, Xu, AuthorCiobanu, Alexei A., AuthorClara, Filiberto, AuthorCompton, Camilla, AuthorCooper, Sam J., AuthorCorley, Kenneth R., AuthorCountryman, Stefan T., AuthorCovas, Pep B., AuthorCoyne, Dennis C., AuthorDatrier, Laurence E., AuthorDavis, Derek, AuthorDifronzo, Chiara D., AuthorDooley, Katherine L., AuthorDriggers, Jenne C., AuthorDupej, Peter, AuthorDwyer, Sheila E., AuthorEffler, Anamaria, AuthorEtzel, Todd, AuthorEvans, Matthew, AuthorEvans, Tom M., AuthorFeicht, Jon, AuthorFernandez-Galiana, Alvaro, AuthorFritschel, Peter, AuthorFrolov, Valery V., AuthorFulda, Paul, AuthorFyffe, Michael, AuthorGiaime, Joe A., AuthorGiardina, Dwayne D., AuthorGodwin, Patrick, AuthorGoetz, Evan, AuthorGras, Slawomir, AuthorGray, Corey, AuthorGray, Rachel, AuthorGreen, Anna C., AuthorGupta, Anchal, AuthorGustafson, Eric K., AuthorGustafson, Dick, AuthorHall, Evan, AuthorHanks, Jonathan, AuthorHanson, Joe, AuthorHardwick, Terra, AuthorHasskew, Raine K., AuthorHeintze, Matthew C., AuthorHelmling-Cornell, Adrian F., AuthorHolland, Nathan A., AuthorJones, Jeff D., AuthorKandhasamy, Shivaraj, AuthorKarki, Sudarshan, AuthorKasprzack, Marie, AuthorKawabe, Keita, AuthorKijbunchoo, Nutsinee, AuthorKing, Peter J., AuthorKissel, Jeffrey S., AuthorKumar, Rahul, AuthorLandry, Michael, AuthorLane, Benjamin B., AuthorLantz, Brian, AuthorLaxen, Michael, AuthorLecoeuche, Yannick K., AuthorLeviton, Jessica, AuthorLiu, Jian1, Author           Lormand, Marc, AuthorLundgren, Andrew P., AuthorMacas, Ronaldas, AuthorMacinnis, Myron, AuthorMacleod, Duncan M., AuthorMansell, Georgia L., AuthorMarka, Szabolcs, AuthorMarka, Zsuzsanna, AuthorMartynov, Denis V., AuthorMason, Ken, AuthorMassinger, Thomas J., AuthorMatichard, Fabrice, AuthorMavalvala, Nergis, AuthorMcCarthy, Richard, AuthorMcClelland, David E., AuthorMcCormick, Scott, AuthorMcCuller, Lee, AuthorMcIver, Jessica, AuthorMcRae, Terry, AuthorMendell, Gregory, AuthorMerfeld, Kara, AuthorMerilh, Edmond L., AuthorMeylahn, Fabian1, Author           Mistry, Timesh, AuthorMittleman, Richard, AuthorMoreno, Gerardo, AuthorMow-Lowry, Conor M., AuthorMozzon, Simone, AuthorMullavey, Adam, AuthorNelson, Timothy J., AuthorNguyen, Philippe, AuthorNuttall, Laura K., AuthorOberling, Jason, AuthorOram, Richard J., AuthorOsthelder, Charles, AuthorOttaway, David J., AuthorOvermier, Harry, AuthorPalamos, Jordan R., AuthorParker, William, AuthorPayne, Ethan, AuthorPele, Arnaud, AuthorPenhorwood, Reilly, AuthorPerez, Carlos J., AuthorPirello, Marc, AuthorRadkins, Hugh, AuthorRamirez, Karla E., AuthorRichardson, Jonathan W., AuthorRiles, Keith, AuthorRobertson, Norna A., AuthorRollins, Jameson G., AuthorRomel, Chandra L., AuthorRomie, Janeen H., AuthorRoss, Michael P., AuthorRyan, Kyle, AuthorSadecki, Travis, AuthorSanchez, Eduardo J., AuthorSanchez, Luis E., AuthorTiruppatturrajamanikkam, Saravanan R., AuthorSavage, Richard L., AuthorSchaetzl, Dean, AuthorSchnabel, Roman, AuthorSchofield, Robert M., AuthorSchwartz, Eyal, AuthorSellers, Danny, AuthorShaffer, Thomas, AuthorSigg, Daniel, AuthorSlagmolen, Bram J., AuthorSmith, Joshua R., AuthorSoni, Siddharth, AuthorSorazu, Borja, AuthorSpencer, Andrew P., AuthorStrain, Ken A., AuthorSun, Ling, AuthorSzczepanczyk, Marek J., AuthorThomas, Michael, AuthorThomas, Patrick, AuthorThorne, Keith A., AuthorToland, Karl, AuthorTorrie, Calum I., AuthorTraylor, Gary, AuthorTse, Maggie, AuthorUrban, Alexander L., AuthorValdes, Guillermo, AuthorVander-Hyde, Daniel C., AuthorVeitch, Peter J., AuthorVenkateswara, Krishna, AuthorVenugopalan, Gautam, AuthorViets, Aaron D., AuthorVo, Thomas, AuthorVorvick, Cheryl, AuthorWade, Madeline, AuthorWard, Robert L., AuthorWarner, Jim, AuthorWeaver, Betsy, AuthorWeiss, Rainer, AuthorWhittle, Chris, AuthorWillke, Benno, AuthorWipf, Christopher C., AuthorXiao, Liting, AuthorYu, Hang, AuthorYu, Haocun, AuthorZhang, Liyuan, AuthorZucker, Michael E., AuthorZweizig, John, Author more..
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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Free keywords: Physics, Instrumentation and Detectors, physics.ins-det, Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM
 Abstract: Small, highly absorbing points are randomly present on the surfaces of the main interferometer optics in Advanced LIGO. The resulting nano-meter scale thermo-elastic deformations and substrate lenses from these micron-scale absorbers significantly reduces the sensitivity of the interferometer directly though a reduction in the power-recycling gain and indirect interactions with the feedback control system. We review the expected surface deformation from point absorbers and provide a pedagogical description of the impact on power build-up in second generation gravitational wave detectors (dual-recycled Fabry-Perot Michelson interferometers). This analysis predicts that the power-dependent reduction in interferometer performance will significantly degrade maximum stored power by up to 50% and hence, limit GW sensitivity, but suggests system wide corrections that can be implemented in current and future GW detectors. This is particularly pressing given that future GW detectors call for an order of magnitude more stored power than currently used in Advanced LIGO in Observing Run 3. We briefly review strategies to mitigate the effects of point absorbers in current and future GW wave detectors to maximize the success of these enterprises.

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 Dates: 2021-01-142021-03-252021
 Publication Status: Published in print
 Pages: 49 pages, 16 figures. -V2: typographical errors in equations B9 and B10 were corrected (stray exponent of "h" was removed). Caption of Figure 9 was corrected to indicate that 40mW was used for absorption in the model, not 10mW as incorrectly indicated in V1
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 Rev. Type: -
 Identifiers: arXiv: 2101.05828
DOI: 10.1364/AO.419689
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Title: Applied Optics
Source Genre: Journal
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Pages: - Volume / Issue: 60 (13) Sequence Number: - Start / End Page: 4047 - 4063 Identifier: -