Pump–probe microscopy is a non-linear optical imaging modality used in femtochemistry to study chemical reactions. It generates high-contrast images from...
22 KB (2,529 words) - 17:04, 6 April 2024
Ultrafast scanning electron microscopy (UFSEM) combines two microscopic modalities, Pump-probe microscopy and Scanning electron microscope, to gather...
15 KB (1,757 words) - 23:12, 16 January 2024
This approach is termed ultrafast transmission electron microscopy when stroboscopic pump-probe illumination is used: an image is formed by the accumulation...
118 KB (15,051 words) - 07:48, 19 May 2024
transmission electron microscopy (EFTEM) High-resolution transmission electron microscopy (HRTEM) Scanning confocal electron microscopy (SCEM) Scanning electron...
37 KB (4,263 words) - 04:24, 27 December 2023
Scanning electron microscope (redirect from Scanning electron microscopy)
versatile or achieve very high resolution. In an SEM, as in scanning probe microscopy, magnification results from the ratio of the raster on the display...
66 KB (8,138 words) - 06:46, 19 May 2024
Photoemission electron microscopy (PEEM, also called photoelectron microscopy, PEM) is a type of electron microscopy that utilizes local variations in...
20 KB (2,698 words) - 17:22, 29 September 2023
Coherent anti-Stokes Raman spectroscopy (redirect from CARS microscopy)
optical process involving three laser beams: a pump beam of frequency ωp, a Stokes beam of frequency ωS and a probe beam at frequency ωpr. These beams interact...
18 KB (2,462 words) - 14:57, 30 April 2024
produce no vibrations. These advantages make ion pumps well-suited for use in scanning probe microscopy, molecular beam epitaxy and other high-precision...
9 KB (1,123 words) - 07:35, 20 May 2024
stroboscopic scheme is used where the excitation is the pump and the synchrotron X-ray flashes are the probe. X-ray microscopes work by exposing a film or charged...
7 KB (843 words) - 21:48, 5 May 2021
variations on standard pump-probe experiments. Some commonly used techniques are Electron Diffraction imaging, Kerr Gated Microscopy, imaging with ultrafast...
27 KB (3,671 words) - 19:41, 31 January 2024
Environmental scanning electron microscope (redirect from Environmental Scanning Electron Microscopy)
(rather than the standard Everhart-Thornley detector) and its differential pumping systems, to allow for the transfer of the electron beam from the high vacuum...
62 KB (7,868 words) - 02:54, 12 May 2024
Vacuum ejector (redirect from Eductor-jet pump)
A vacuum ejector, or simply ejector is a type of vacuum pump, which produces vacuum by means of the Venturi effect. In an ejector, a working fluid (liquid...
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Photoactivatable probes, or caged probes, are cellular players (proteins, nucleic acids, small molecules) that can be triggered by a flash of light. They...
14 KB (1,583 words) - 00:14, 15 September 2021
Lipid bilayer (section Fluorescence microscopy)
2006). "Mechanical properties of pore-spanning lipid bilayers probed by atomic force microscopy". Biophys. J. 91 (1): 217–26. Bibcode:2006BpJ....91..217S...
81 KB (9,779 words) - 13:40, 28 May 2024
fluorescence microscopy. Over the past two decades, a new generation of characterization tools including AFM has allowed the direct probing and imaging...
20 KB (2,764 words) - 19:51, 15 May 2024
Ultra-high vacuum (section Pumping)
resolved photoemission spectroscopy (ARPES) Field emission microscopy and Field ion microscopy Atom Probe Tomography (APT) UHV is necessary for these applications...
22 KB (3,058 words) - 21:00, 10 December 2023
medium. The pump beam heats the material and the probe beam is deflected. This technique only works for transparent media. In transverse, the pump beam heats...
8 KB (1,120 words) - 11:44, 20 January 2024
Nano-FTIR (category Scanning probe microscopy)
scattering-type scanning near-field optical microscopy (s-SNOM). As s-SNOM, nano-FTIR is based on atomic-force microscopy (AFM), where a sharp tip is illuminated...
51 KB (6,281 words) - 04:15, 12 February 2024
Infrared spectroscopy (section Infrared microscopy)
the frequency ω1 that was excited by the initial pump pulses and the frequency ω3 excited by the probe pulse after the waiting time. This allows the observation...
54 KB (6,070 words) - 09:20, 27 May 2024
Bayley H, Anderson HL (2012). "Probing the Orientational Distribution of Dyes in Membranes through Multiphoton Microscopy". Biophysical Journal. 103 (5):...
51 KB (6,835 words) - 08:04, 6 June 2024
rates, and pumping speed. Electropolishing is commonly used to prepare thin metal samples for transmission electron microscopy and atom probe tomography...
6 KB (708 words) - 11:27, 8 November 2023
surfaces and structures. The probe tip is mounted on the end of a cantilever and can be as sharp as a single atom. In microscopy, probe tip geometry (length,...
72 KB (8,217 words) - 00:13, 26 December 2023
Turgor pressure (section Pressure probe)
use a type of scanning probe microscopy (SPM). Small probes are introduced to the area of interest, and a spring within the probe measures values via displacement...
29 KB (3,566 words) - 00:41, 6 February 2024
chemical sensitivity of SERS with the high spatial resolution of scanning probe microscopy techniques, enabling chemical imaging of surfaces at the nanometre...
84 KB (9,829 words) - 07:21, 9 June 2024
List of laser applications (section Microscopy)
visualization. Additional laser microscopy techniques include harmonic microscopy, four-wave mixing microscopy and interferometric microscopy. A laser weapon is directed-energy...
23 KB (2,716 words) - 04:41, 23 April 2024
electron microscopy (LP EM) refers to a class of methods for imaging specimens in liquid with nanometer spatial resolution using electron microscopy. LP-EM...
16 KB (1,709 words) - 18:14, 2 August 2023
inherent property of molecules. ND-TPACS has been measured using Z-scan (pump-probe) techniques, which measure the laser intensity decrease due to absorption...
16 KB (2,064 words) - 19:39, 8 August 2023
Photothermal spectroscopy measures heat evolved upon absorption of radiation. Pump-probe spectroscopy can use ultrafast laser pulses to measure reaction intermediates...
42 KB (4,648 words) - 07:22, 31 May 2024
electrical scanning probe microscopy (SPM) is an active area of research. Electrostatic force microscopy (EFM) and scanning Kelvin probe microscopy (SKPM) have...
71 KB (9,531 words) - 22:07, 18 May 2024
spectroscopic investigations into hemoprotein. She developed ultrafast pump-probe spectroscopy to understand the dynamics of photodissociation. She demonstrated...
4 KB (416 words) - 01:16, 29 May 2024