50th anniversary of the Judd–Ofelt theory: An experimentalist's view of the formalism and its application von Hehlen, Markus P., Brik, Mikhail G., Krämer, Karl W.

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Solid-state optical refrigeration to sub-100 Kelvin regime von Melgaard, Seth D., Albrecht, Alexander R., Hehlen, Markus P., Sheik-Bahae, Mansoor

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Light propagation in a neutron detector based on 6Li glass scintillator particles in an organic matrix von Hehlen, Markus P., Wiggins, Brenden W., Favalli, Andrea, Iliev, Metodi, Ianakiev, Kiril D.

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Optical refrigeration: the role of parasitic absorption at cryogenic temperatures von Volpi, Azzurra, Meng, Junwei, Gragossian, Aram, Albrecht, Alexander R., Rostami, Saeid, Lieto, Alberto Di, Epstein, Richard I., Tonelli, Mauro, Hehlen, Markus P., Sheik-Bahae, Mansoor

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Synthesis and crystal growth of the europium doped BaF2 - BaCl2 system von Wiggins, Brenden, Richards, Cameron, Volpi, Azzurra, Williams, Darrick, Iliev, Metodi, Hehlen, Markus P.

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Solid, structured composite neutron detectors with high dynamic range capability von Wiggins, Brenden W., Richards, Cameron G., Mclean, Thomas D., Iliev, Metodi, Favalli, Andrea, Hehlen, Markus P.

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Open-aperture Z-scan study for absorption saturation: accurate measurement of saturation intensity in YLF:Yb for optical refrigeration von Volpi, Azzurra, Kock, Jackson, Albrecht, Alexander R., Hehlen, Markus P., Epstein, Richard, Sheik-Bahae, Mansoor

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Tm-doped crystals for mid-IR optical cryocoolers and radiation balanced lasers von Rostami, Saeid, Albrecht, Alexander R, Volpi, Azzurra, Hehlen, Markus P, Tonelli, Mauro, Sheik-Bahae, Mansoor

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First demonstration of an all-solid-state optical cryocooler von Hehlen, Markus P., Meng, Junwei, Albrecht, Alexander R., Lee, Eric R., Gragossian, Aram, Love, Steven P., Hamilton, Christopher E., Epstein, Richard I., Sheik-Bahae, Mansoor

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Hexagonal Sodium Yttrium Fluoride Based Green and Blue Emitting Upconversion Phosphors von Krämer, Karl W, Biner, Daniel, Frei, Gabriela, Güdel, Hans U, Hehlen, Markus P, Lüthi, Stefan R

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Bridgman Growth of Laser-Cooling-Grade LiLuF4:Yb3+ Single Crystals von Volpi, Azzurra, Krämer, Karl W, Biner, Daniel, Wiggins, Brenden, Kock, Jackson, Albrecht, Alexander R, Peterson, Eric J, Spilde, Michael N, Sheik-Bahae, Mansoor, Hehlen, Markus P

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Optically translucent BaFCl:Sm2+ scintillating micro-particle composites for radiation detection von Richards, Cameron G., Williams, Darrick J., Hehlen, Markus P., Hunter, James F., Wiggins, Brenden W.

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Review of condensed matter laser cooling using electric-dipole-allowed transitions von Hehlen, Markus P.

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Cross Relaxation in rare-earth-doped oxyfluoride glasses von Lakshminarayana, G., Weis, Eric M., Lira, A.C., Caldiño, Ulises, Williams, Darrick J., Hehlen, Markus P.

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Materials for Optical Cryocoolers von Hehlen, Markus P., Sheik-Bahae, Mansoor, Epstein, Richard I., Melgaard, Seth D., Seletskiy, Denis V.

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Improved Scintillation Detector Performance via a Method of Enhanced Layered Coatings von Wakeford, Daniel T., Tornga, Shawn R., Adams, Jillian C., Trautschold, Olivia C., Hehlen, Markus P.

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Sequestration of cerium(III) bromide into mesoporous silica von Boncher, William L., Lin, Terri C., Cordes, Nikolaus L., Hehlen, Markus P.

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Preparation and Characterization of High-Purity Metal Fluorides for Photonic Applications von Patterson, Wendy M., Stark, Peter C., Yoshida, Thomas M., Sheik-Bahae, Mansoor, Hehlen, Markus P.

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Sol–gel synthesis and characterization of fluoride-rich lanthanum-alumino-silicate gels doped with Ce3+ and Ti4 von Lakshminarayana, G., Torres, Joseph A., Lin, Terri C., Kityk, I.V., Hehlen, Markus P.

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Optical spectroscopy of rare-earth doped ternary lead based halides von Brown, Ei E., Bluiett, Althea G., Hommerich, Uwe, Simmons, Amber, Trivedi, Sudhir B., Boncher, William L., Hehlen, Markus P., Lindsey, Adam, Zhuravleva, Mariya

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