Light-induced charge transport processes in photorefractive crystals II: Materials
K Buse - Applied Physics B, 1997 - Springer
3, LiTaO 3, BaTiO 3, Ba 1-x Sr x TiO 3 (, BST), Ba 1-x Ca x TiO 3 (, BCT), KNbO 3, KTa 1-x
Nb x O 3 (, KTN), Sr 1-x Ba x Nb 2 O 6 (, SBN) and Bi 12 (Si, Ti, Ge) O 20 (BSO, BTO, BGO) …
Nb x O 3 (, KTN), Sr 1-x Ba x Nb 2 O 6 (, SBN) and Bi 12 (Si, Ti, Ge) O 20 (BSO, BTO, BGO) …
Optical memories implemented with photorefractive media
L Hesselink, MC Bashaw - Optical and Quantum Electronics, 1993 - Springer
We consider holographic optical data storage systems implemented with photorefractive
media. Our viewpoint emphasizes the close interaction between materials and device …
media. Our viewpoint emphasizes the close interaction between materials and device …
Material characterization by holographic methods
RA Rupp - Applied Physics A, 1992 - Springer
After an introduction to the theoretical fundamentals, different holographic techniques for
material characterization are presented: Isotropic and anisotropic diffraction measurements …
material characterization are presented: Isotropic and anisotropic diffraction measurements …
Three-valence charge-transport model for explanation of the photorefractive effect
K Buse, E Krätzig - Applied Physics B, 1995 - Springer
A new charge-transport model assuming one center in three different valence states is
discussed for explanation of the photorefractive effect. Quantitative description of …
discussed for explanation of the photorefractive effect. Quantitative description of …
Light-induced charge transport properties of Sr0.61Ba0.39Nb2O6:Ce crystals
K Buse, U Van Stevendaal, R Pankrath, E Krätzig - JOSA B, 1996 - opg.optica.org
Measurements of absorption, photoconductivity, and dark conductivity and of light-induced
absorption changes in photorefractive Sr_0. 61Ba_0. 39Nb_2O_6: Ce crystals with Ce …
absorption changes in photorefractive Sr_0. 61Ba_0. 39Nb_2O_6: Ce crystals with Ce …
Light-induced charge transport in BaTiO3 via three charge states of rhodium
H Kröse, R Scharfschwerdt, OF Schirmer, H Hesse - Applied Physics B, 1995 - Springer
By combined studies of electron spin resonance and optical absorption at low temperatures,
the charge-transfer bands of Rh 5+ and Rh 4+ are identified to be peaked near 1.6 and 1.9 …
the charge-transfer bands of Rh 5+ and Rh 4+ are identified to be peaked near 1.6 and 1.9 …
Effect of shallow traps on electron–hole competition in semi-insulating photorefractive materials
P Tayebati - JOSA B, 1992 - opg.optica.org
A model of the photorefractive effect is presented that includes a shallow-trap level (hole or
electron trap) as well as a species of deep traps with electron and hole excitation. It is shown …
electron trap) as well as a species of deep traps with electron and hole excitation. It is shown …
Activation of BaTiO3 for infrared holographic recording
K Buse, L Holtmann, E Krätzig - Optics communications, 1991 - Elsevier
Homogeneous illumination of a BaTiO 3 crystal with a green light pulse allows subsequent
recording of a holographic grating with infrared light pulses. The grating can be read …
recording of a holographic grating with infrared light pulses. The grating can be read …
Theory of two-center transport in photorefractive media for low-intensity, continuous-wave illumination in the quasi-steady-state limit
MC Bashaw, M Jeganathan, L Hesselink - JOSA B, 1994 - opg.optica.org
A two-center photorefractive model permitting all center-to-band transitions and electron-
hole charge transport unifies several models describing subsets of these transitions. Using …
hole charge transport unifies several models describing subsets of these transitions. Using …