stress optical microscopy light scattering transmittance birefringence etc

... Apertureless or scattering near field scanning optical microscopy (ANSOM or s-NSOM) has been demonstrated to achieve optical resolution of the order of 10 nm [1,2] This ability of high resolution optical ... sharp tip used for measurements The s-NSOM tip under light illumination provides local field enhancement by acting as a nanoscale scattering light source with the advantage of wavelength independence ... mounted on a piezo actuator The back-scattered light and the reflected reference light combine at the beam splitter The APD detects the combined light and outputs the signal to a lock-in amplifier...

Ngày tải lên: 06/05/2014, 08:54

... Apertureless or scattering near field scanning optical microscopy (ANSOM or s-NSOM) has been demonstrated to achieve optical resolution of the order of 10 nm [1,2] This ability of high resolution optical ... sharp tip used for measurements The s-NSOM tip under light illumination provides local field enhancement by acting as a nanoscale scattering light source with the advantage of wavelength independence ... mounted on a piezo actuator The back-scattered light and the reflected reference light combine at the beam splitter The APD detects the combined light and outputs the signal to a lock-in amplifier...

Ngày tải lên: 06/05/2014, 08:58

... studies light scattering properties in biological tissue and cells, and angular gating techniques in optical microscopy Chapter gives literature reviews for light scattering models and optical microscopy ... conventional scattering models when light propagates through biological tissue and cells The second review is about optical microscopy including confocal microscopy, multi-photon microscopy and 4pi microscopy, ... a high performance optical microscopy But to build such an optical microscopy, we still have to face two challenges The first one is that there is lack of a precise light scattering model for...

Ngày tải lên: 10/09/2015, 15:51

... reflected light) Thus with linearly polarized light incident on isotropic optically active samples at transparent 1.4 Optical activity in light scattering 15 wavelengths, the refracted light suffers ... consequence of light scattering • Refringent scattering of polarized light • Simple absorption • Linear dichroism and birefringence (the Kerr effect) • Electric field gradient-induced birefringence: ... spectroscopy 1.4 Light scattering from optically active molecules Optical rotation and circular dichroism are concerned with the polarization characteristics of light transmitted through an optically...

Ngày tải lên: 13/03/2016, 20:01

... interactions between GA and CDs using isothermal titration calorimetry (ITC), NMR and dynamic light scattering (DLS) ITC measurements provide thermodynamic parameters, not only the binding affinity...

Ngày tải lên: 16/03/2014, 14:20

... 43 44 49 50 SELECTED EXAMPLES OF LIGHT SCATTERING EXPERIMENTS 51 5.1 Dynamic Light Scattering 54 5.2 Static Light Scattering 95 5.3 New Light Scattering Methods 148 References ... Fiber-Optic Quasielastic Light Scattering 2.4 Crosscorrelation Techniques – Dual Color and 3D Dynamic Light Scattering References 25 26 29 33 COMMERCIAL LIGHT SCATTERING INSTRUMENTS ... SCATTERING INSTRUMENTS 3.1 Single-Angle Light Scattering 3.2 Multiangle Light Scattering (MALS) 3.3 Fiber Optic Quasielastic Light Scattering and 3D Crosscorrelation 39...

Ngày tải lên: 04/06/2014, 15:18

... 52 53 Chapter LIGHT SCATTERING - The Background Information 2.1 Light Scattering Phenomena and Technologies 2.2 Light Scattering Theory - an Outline 2.2.1 Scattering Geometry 2.2.2 Scattering Intensity ... Doppler Shift ACF and Power Spectrum 2.3 Other Light Scattering Technologies 2.3.1 Static Light Scattering 2.3.2 Focused Beam Reflectance 2.3.3 Time-of-Flight (TOF) Measurement 2.3.4 Time-of-Transition ... 177 Chapter OPTICAL PARTICLE COUNTING - Counting and Sizing 4.1 Introduction 4.2 Instrumentation 4.2.1 Light Source 4.2.2 Optics of the Volumetric Instrument Light Scattering OPC Light Extinction...

Ngày tải lên: 27/06/2014, 10:20

... investigate the light matter interaction from an advanced point of view Optical spectroscopy techniques, like far–infrared (FIR) transmission [1– 14] and resonant inelastic light scattering (or ... inelastic scattering of light, electronic elementary excitations with typical energies in the FIR spectral range can be observed in the visible range Christian Sch¨ ller: Inelastic Light Scattering ... scattered light are perpendicular to each others Scattering by plasmons due to charge–density fluctuations occurs in parallel polarization configuration (polarized geometry) [17] In contrast to light scattering...

Ngày tải lên: 29/06/2014, 09:20

Ngày tải lên: 29/11/2014, 07:05

... two-photon absorption, stimulated Raman scattering, optical bistability and phase conjugation Fluorescence is the optical relaxation phenomenon whereby light emission occurs in the time scale ... (TPEF) microscopy can provide optical sectioning without absorption above and below the plane of focus, thus greatly reducing photobleaching and phototoxicity, com20 pared to confocal microscopy ... There are a number of notable nonlinear optical techniques, including multiphoton excited fluorescence [62], higher harmonic generation [63, 64] and Raman scattering [65] All of them are nonlinear...

Ngày tải lên: 11/09/2015, 10:07

... communications (optical waveguides), surface cleaning, etching, scattering enhancement equipment, and data storage In this thesis, I have studied the optical properties including the enhancement of the scattering, ... have different optical properties compared to the bulk properties (such as Si and Ge) Due to their peculiar optical properties, nanoscaled materials can be applied in optical coating, optical communications ... more than the light incident on it [16] Usually, as the electrical dimension of a scattering object becomes smaller, the Rayleigh scattering (the first order approximation of Mie scattering) will...

Ngày tải lên: 12/09/2015, 09:55

... sphaeroides have been structurally analyzed by X-ray crystallography, cryoelectron microscopy, and atomic force microscopy (AFM) [3,13–16] Recent advances in AFM imaging and polarized spectroscopy, ... membrane lightharvesting complex from photosynthetic bacteria Nature 374, 517–521 McLuskey K, Prince SM, Cogdell RJ & Isaacs NW (2001) The crystallographic structure of the B800–820 LH3 light- harvesting ... Hunter CN & Olsen JD (2004) Flexibility and size heterogeneity of the LH1 light harvesting complex revealed by atomic force microscopy: functional significance for bacterial photosynthesis J Biol...

Ngày tải lên: 18/02/2014, 18:20

... as well as cyanobacterial PSI membranes exposed to strong light [14] In PSI core particles illuminated with strong light, damage to the light- harvesting complex (LHC) and degradation of reaction-center ... Photoprotection and other responses of plants to high light stress Annu Rev Plant Physiol Plant Mol Biol 43, 599–626 27 Carpentier R (1997) Influence of high light intensity on photosynthesis: photoinhibition ... & Rinalducci S (2002) Involvement of active oxygen species in degradation of light- harvesting proteins under light stresses Biochemistry 41, 14391–14402 29 Rinalducci S, Pedersen JZ & Zolla L...

Ngày tải lên: 16/03/2014, 18:20

... By the Light of the Soul A Novel By Mary E Wilkins Freeman Author of “The Debtor” “The Portion of Labor” “Jerome” “A New England Nun” Etc etc 1907 To Harriet and Carolyn Alden By the Light of ... expressed her distress that she was unable to work as she had done, “we shall manage somehow Don’t worry, Abby.” Worry in another irritated him even more than in himself By the Light of the Soul ... even if she had she dared not leave her room again The pale light in the east increased, suddenly rosy streamers, almost like northern lights, were flung out across the sky She could distinguish...

Ngày tải lên: 16/03/2014, 18:20

... lack of light- harvesting Chl a/b proteins (LHCII) Membranes located slightly above the main band at  1.0 M sucrose (band a) had a similar absorption spectrum to the main band, but with a slightly ... simulated cryo-electron microscopy data was later carried out [23] These articles demonstrated that it was possible to greatly improve structural data obtained from cryo-electron microscopy of small ... links between cyanobacterial and plant PSII light harvesting systems EXPERIMENTAL PROCEDURES Barley viridis zb63 grana membranes were prepared, and electron microscopy was performed as described previously...

Ngày tải lên: 17/03/2014, 17:20

... electron microscopy General considerations and negative staining J Microscopy 99,261-265 Gregory, D W and Pirie, B J S (1973) Wetting agents for biological electron microscopy II Shadowing J Microscopy ... experimental scattering curve measured at 10 mg/mL That slightly larger dimensions are found with X-ray scattering is attributed to the hydratron of LDL, which is detectable by X-ray scattering, ... for solution scattering The high flux means that X-ray scattering cameras can utilize ideal point collimation geometries (i.e., based on pin-hole optics) and a X-Ray and Neutron Scattering 41...

Ngày tải lên: 11/04/2014, 09:51

... NRs-based LEDs is that each nanorod can act as a wave guide, minimizing side scattering of light, thus enhancing light emission and extraction efficiency [7] It is still a challenge to achieve ... Planckian locus can be allowed for white light The He+ ion-radiated LEDs are slightly decreased from the Planckian Locus and are very close to white light They are about Mac-Adam ellipses away ... Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light- emitting diodes N H Alvi*1, S Hussain1, J Jensen2, O Nur1, and M Willander1...

Ngày tải lên: 18/06/2014, 22:20

... NRs-based LEDs is that each nanorod can act as a wave guide, minimizing side scattering of light, thus enhancing light emission and extraction efficiency [7] It is still a challenge to achieve ... Planckian locus can be allowed for white light The He+ ion-radiated LEDs are slightly decreased from the Planckian Locus and are very close to white light They are about Mac-Adam ellipses away ... Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light- emitting diodes N H Alvi*1, S Hussain1, J Jensen2, O Nur1, and M Willander1...

Ngày tải lên: 20/06/2014, 04:20

... and ICP-etched Si device ICP-etched Si device shows a much higher PS (black dots), indicating a much enhanced lighttrapping of MWCNT masked Si under UV illumination dispersion, and MWCNT etch-masked ... thus the lowest reflectance by 41.5% at mid-UV are achieved with the ICP-etched Si using MWCNT etch mask The increased light- trapping is most significant at mid-UV, less at visible, and finally ... active region using bare-Si is set as a reference while ICP-etched Si using MWCNT etch mask is fabricated for a PS comparison With an ICP-etched Si with HMDS dispersion, PS at UV illumination is...

Ngày tải lên: 20/06/2014, 22:20

... the optical reflectivity of the Si-O-N nanowires is around 80%, while white beetle has an optical reflectivity around 65% The excellent optical reflectivity of these nanowires is mainly due to scattering ... demonstrate extraordinary optical reflectivity in visible wavelength, which will provide new applications in optoelectronic and energy areas such as backlight scattering coating in flat light panels and ... refractive index in the nanowire, which may affect the interaction of the incident light with the nanowire and enhance the scattering efficiency This material may provide a number of potential applications,...

Ngày tải lên: 21/06/2014, 01:20