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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1923 1
1936 1
1948 1
1959 1
1963 1
1964 2
1965 2
1966 5
1967 8
1968 4
1969 3
1970 5
1971 4
1972 4
1973 1
1974 5
1975 10
1976 11
1977 14
1978 11
1979 10
1980 16
1981 15
1982 18
1983 10
1984 15
1985 19
1986 19
1987 20
1988 26
1989 25
1990 29
1991 33
1992 29
1993 34
1994 44
1995 34
1996 41
1997 36
1998 41
1999 52
2000 56
2001 51
2002 54
2003 72
2004 93
2005 133
2006 138
2007 136
2008 153
2009 158
2010 183
2011 179
2012 193
2013 220
2014 236
2015 286
2016 265
2017 278
2018 283
2019 289
2020 268
2021 262
2022 274
2023 265
2024 128

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5,028 results

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Page 1
Spectral hole burning: examples from photosynthesis.
Purchase R, Völker S. Purchase R, et al. Photosynth Res. 2009 Aug-Sep;101(2-3):245-66. doi: 10.1007/s11120-009-9484-5. Photosynth Res. 2009. PMID: 19714478 Free PMC article. Review.
Here, the principles of spectral hole burning (HB) and the experimental set-up used in its continuous wave (CW) and time-resolved versions are described. ...These examples have been classified into three groups according to the parameters that were measured: (1) hole wi …
Here, the principles of spectral hole burning (HB) and the experimental set-up used in its continuous wave (CW) and time-resolved ver …
Optimized Spatial-Spectral CT for Multi-Material Decomposition.
Tivnan M, Wang W, Tilley S, Siewerdsen JH, Stayman JW. Tivnan M, et al. Proc SPIE Int Soc Opt Eng. 2019 Jun;11072:1107211. doi: 10.1117/12.2534333. Epub 2019 May 28. Proc SPIE Int Soc Opt Eng. 2019. PMID: 33177785 Free PMC article.
Spectral CT is an emerging modality that uses a data acquisition scheme with varied spectral responses to provide enhanced material discrimination in addition to the structural information of conventional CT. ...This source-side filter is made up a linear array of m …
Spectral CT is an emerging modality that uses a data acquisition scheme with varied spectral responses to provide enhanced mat …
A prototype spatial-spectral CT system for material decomposition with energy-integrating detectors.
Tivnan M, Wang W, Stayman JW. Tivnan M, et al. Med Phys. 2021 Oct;48(10):6401-6411. doi: 10.1002/mp.14930. Epub 2021 Jun 6. Med Phys. 2021. PMID: 33964021
Many clinical and preclinical spectral CT systems have two spectral channels enabling dual-energy CT. ...The filtering device consists of an array of K-edge materials which divide the x-ray beam into spectrally varied beamlets. This design allows for an arbit …
Many clinical and preclinical spectral CT systems have two spectral channels enabling dual-energy CT. ...The filtering device …
Spectral widths and Stokes shifts in InP-based quantum dots.
Cavanaugh P, Wang X, Bautista MJ, Jen-La Plante I, Kelley DF. Cavanaugh P, et al. J Chem Phys. 2023 Oct 7;159(13):134704. doi: 10.1063/5.0165956. J Chem Phys. 2023. PMID: 37787140
InP-based quantum dots (QDs) have Stokes shifts and photoluminescence (PL) line widths that are larger than in II-VI semiconductor QDs with comparable exciton energies. ...Luminescence polarization results are reported and are consistent with this assignment. Spectral …
InP-based quantum dots (QDs) have Stokes shifts and photoluminescence (PL) line widths that are larger than in II-VI semiconductor QD …
Multicolor Spectral-Specific Silicon Nanodetectors based on Molecularly Embedded Nanowires.
Lefler S, Vizel R, Yeor E, Granot E, Heifler O, Kwiat M, Krivitsky V, Weil M, Yaish YE, Patolsky F. Lefler S, et al. Nano Lett. 2018 Jan 10;18(1):190-201. doi: 10.1021/acs.nanolett.7b03873. Epub 2017 Dec 11. Nano Lett. 2018. PMID: 29202247
Here, we report an ultrasmall (as small as 20 nm by 300 nm), red-green-blue-violet (RGBV) filter-free spectrally gated field effect transistor (SGFET) detectors. These photodetectors are based on organic-silicon nanowire hybrid FET devices, capable of detecting specific vi …
Here, we report an ultrasmall (as small as 20 nm by 300 nm), red-green-blue-violet (RGBV) filter-free spectrally gated field effect t …
Intelligent control of mode-locked femtosecond pulses by time-stretch-assisted real-time spectral analysis.
Pu G, Yi L, Zhang L, Luo C, Li Z, Hu W. Pu G, et al. Light Sci Appl. 2020 Jan 28;9:13. doi: 10.1038/s41377-020-0251-x. eCollection 2020. Light Sci Appl. 2020. PMID: 32025296 Free PMC article.
Mode-locked fiber lasers based on nonlinear polarization evolution can generate femtosecond pulses with different pulse widths and rich spectral distributions for versatile applications through polarization tuning. However, a precise and repeatable location of a spe …
Mode-locked fiber lasers based on nonlinear polarization evolution can generate femtosecond pulses with different pulse widths and ri …
Efficient dispersion modeling in optical multimode fiber.
Lee SY, Parot VJ, Bouma BE, Villiger M. Lee SY, et al. Light Sci Appl. 2023 Feb 1;12(1):31. doi: 10.1038/s41377-022-01061-7. Light Sci Appl. 2023. PMID: 36720851 Free PMC article.
Dispersion remains an enduring challenge for the characterization of wavelength-dependent transmission through optical multimode fiber (MMF). Beyond a small spectral correlation width, a change in wavelength elicits a seemingly independent distribution of the transm …
Dispersion remains an enduring challenge for the characterization of wavelength-dependent transmission through optical multimode fiber (MMF) …
Phantom-based quantification of the spectral accuracy in dual-layer spectral CT for pediatric imaging at 100 kVp.
Meyer S, Liu LP, Litt HI, Halliburton SS, Shapira N, Noël PB. Meyer S, et al. Quant Imaging Med Surg. 2023 Feb 1;13(2):924-934. doi: 10.21037/qims-22-552. Epub 2023 Jan 2. Quant Imaging Med Surg. 2023. PMID: 36819257 Free PMC article.
BACKGROUND: To determine the spectral accuracy in detector-based dual-energy CT (DECT) at 100 kVp and wide (8 cm) collimation width for dose levels and object sizes relevant to pediatric imaging. ...The average accuracy was slightly different from scans at 120 kVp; …
BACKGROUND: To determine the spectral accuracy in detector-based dual-energy CT (DECT) at 100 kVp and wide (8 cm) collimation widt …
High-power narrow spectral width 975 nm semiconductor laser with high process compatibility achieved by high-order gratings.
Liu Z, Zhong L, Li W, Liu S, Ma X. Liu Z, et al. Opt Lett. 2023 Dec 1;48(23):6283-6286. doi: 10.1364/OL.505825. Opt Lett. 2023. PMID: 38039247
Based on the finite-difference time-domain (FDTD) algorithm, a maximum output power of 10.5 W, emitting around 975 nm with a spectral width of less than 0.5 nm FWHM has been achieved. This method provides insights for reducing the manufacturing costs of the high-pow …
Based on the finite-difference time-domain (FDTD) algorithm, a maximum output power of 10.5 W, emitting around 975 nm with a spectral …
Ultrafast pyroelectric photodetection with on-chip spectral filters.
Stewart JW, Vella JH, Li W, Fan S, Mikkelsen MH. Stewart JW, et al. Nat Mater. 2020 Feb;19(2):158-162. doi: 10.1038/s41563-019-0538-6. Epub 2019 Nov 25. Nat Mater. 2020. PMID: 31768011
By integrating a plasmonic metasurface with an aluminium nitride pyroelectric thin film, we demonstrate spectrally selective, room-temperature pyroelectric detectors from 660-2,000 nm with an instrument-limited 1.7 ns full width at half maximum and 700 ps rise time. …
By integrating a plasmonic metasurface with an aluminium nitride pyroelectric thin film, we demonstrate spectrally selective, room-te …
5,028 results