Comparison of optical and microphysical properties of pure Saharan
... 2010b]. The instrument was equipped with a novel measurement channel at 1638 nm. We expect this channel to improve the retrieval accuracy of some of the data products, as for instance the particle size distribution. [21] Another important output parameter of our study is the aspect ratio. Particles ...
... 2010b]. The instrument was equipped with a novel measurement channel at 1638 nm. We expect this channel to improve the retrieval accuracy of some of the data products, as for instance the particle size distribution. [21] Another important output parameter of our study is the aspect ratio. Particles ...
CHIRAL POLYMER PHOTODETECTOR
... Figure 1-11 Tetracene (left) and Pentacene (right) ........................................................................ 14 Figure 1-12 B6T (upper), BP3T (middle) and 3 tetrakis(oligothienyl)silanes (lower)11 ............... 15 Figure 1-13 An example of DPP-thiophene system....................... ...
... Figure 1-11 Tetracene (left) and Pentacene (right) ........................................................................ 14 Figure 1-12 B6T (upper), BP3T (middle) and 3 tetrakis(oligothienyl)silanes (lower)11 ............... 15 Figure 1-13 An example of DPP-thiophene system....................... ...
Part 2 . Physical Optics
... maximum in the intensity pattern results. This corresponds to a phase difference of an integral number of 2π ’s or an OPD that is a multiple of the wavelength. A dark fringe or minimum in the intensity pattern results from destructiy e interference when the two waves are out of phase by π or the OPD ...
... maximum in the intensity pattern results. This corresponds to a phase difference of an integral number of 2π ’s or an OPD that is a multiple of the wavelength. A dark fringe or minimum in the intensity pattern results from destructiy e interference when the two waves are out of phase by π or the OPD ...
Chapter 2 - Handbook of Optics
... maximum in the intensity pattern results. This corresponds to a phase difference of an integral number of 2π ’s or an OPD that is a multiple of the wavelength. A dark fringe or minimum in the intensity pattern results from destructiy e interference when the two waves are out of phase by π or the OPD ...
... maximum in the intensity pattern results. This corresponds to a phase difference of an integral number of 2π ’s or an OPD that is a multiple of the wavelength. A dark fringe or minimum in the intensity pattern results from destructiy e interference when the two waves are out of phase by π or the OPD ...
Document
... crossing the plane z = 0 is generally characterized by four variables-the coordinates (x, y) of its position in the plane, and the angles (e,, ey) that its projections in the x-z and y-z planes make with the z axis. The emerging ray is also characterized by four variables linearly related to the ini ...
... crossing the plane z = 0 is generally characterized by four variables-the coordinates (x, y) of its position in the plane, and the angles (e,, ey) that its projections in the x-z and y-z planes make with the z axis. The emerging ray is also characterized by four variables linearly related to the ini ...
Laser-based displays: a review - Optical Microsystems Laboratory
... AlGaInP and GaN material systems [12]. The structure of an edge-emitting diode laser is shown schematically in Fig. 1. Despite having the advantage of being directly modulatable, the output wavelength of this type of lasers can vary with the junction temperature, which will in turn adversely affect ...
... AlGaInP and GaN material systems [12]. The structure of an edge-emitting diode laser is shown schematically in Fig. 1. Despite having the advantage of being directly modulatable, the output wavelength of this type of lasers can vary with the junction temperature, which will in turn adversely affect ...
Two-Color Two-Photon Excitation Using Femtosecond Laser Pulses
... enlarging the spectral range of nowadays femtosecond Ti:Sa laser systems being used for spectroscopy and two-photon microscopy. We demonstrate measurements of 2c2p excitation fluorescence using femtosecond pulses from a Ti:Sa laser. Since these experiments were carried out using a time-gated camera ...
... enlarging the spectral range of nowadays femtosecond Ti:Sa laser systems being used for spectroscopy and two-photon microscopy. We demonstrate measurements of 2c2p excitation fluorescence using femtosecond pulses from a Ti:Sa laser. Since these experiments were carried out using a time-gated camera ...
Wave aberration of human eyes and new descriptors
... amount of light that reaches the retina. As in any optical system, the size of the pupil has important consequences for image formation. A smaller pupil increases the depth of focus and minimizes the effects of higher-order aberrations (HOAs) by reducing the size of the blur circle onto the retina, ...
... amount of light that reaches the retina. As in any optical system, the size of the pupil has important consequences for image formation. A smaller pupil increases the depth of focus and minimizes the effects of higher-order aberrations (HOAs) by reducing the size of the blur circle onto the retina, ...
Nonlinear Beam Shaping with Plasmonic Metasurfaces
... he wave function of a physical system is of paramount importance with respect to the evolution of its parameters in time and space and to its interaction with other physical systems. In optics, the spatial evolution of the photon wave function can be described by the Helmholtz equation. In the low-l ...
... he wave function of a physical system is of paramount importance with respect to the evolution of its parameters in time and space and to its interaction with other physical systems. In optics, the spatial evolution of the photon wave function can be described by the Helmholtz equation. In the low-l ...
Clutter elimination for deep clinical optoacoustic imaging using
... original PSF by spatial integration). By scanning the imaging plane with the ARF focus, a clutter-free composite LOVIT image can thus be generated of the full imaging plane which conserves the true OA signal amplitude, but eliminates clutter. The conservation of absolute signal amplitude by LOVIT is ...
... original PSF by spatial integration). By scanning the imaging plane with the ARF focus, a clutter-free composite LOVIT image can thus be generated of the full imaging plane which conserves the true OA signal amplitude, but eliminates clutter. The conservation of absolute signal amplitude by LOVIT is ...
Fabrication of concave silicon micro-mirrors
... by Lai [24] who reported that the final roughness achievable from this method is determined by its initial roughness. ...
... by Lai [24] who reported that the final roughness achievable from this method is determined by its initial roughness. ...
Estimation of longitudinal resolution in optical coherence
... A general definition of longitudinal resolution accepted in optical coherence imaging is half of the coherence length of the source 共i.e., lcFWHM兾2 or lc兾 2兲.3,13 The choice of the FWHM of 兩␥共兲兩 for coherence length, most commonly chosen as mentioned above, is historical in nature and derived from ...
... A general definition of longitudinal resolution accepted in optical coherence imaging is half of the coherence length of the source 共i.e., lcFWHM兾2 or lc兾 2兲.3,13 The choice of the FWHM of 兩␥共兲兩 for coherence length, most commonly chosen as mentioned above, is historical in nature and derived from ...
Handbook of Optical Filters
... transmits only 50%, giving only about 25% efficiency. The glass (called the substrate) is usually composed of a material with low autofluorescence such as UV-grade fused silica. Most microscopes have a slider or turret that can hold from two to four individual filter cubes. It must be noted that the ...
... transmits only 50%, giving only about 25% efficiency. The glass (called the substrate) is usually composed of a material with low autofluorescence such as UV-grade fused silica. Most microscopes have a slider or turret that can hold from two to four individual filter cubes. It must be noted that the ...
SOIL PENETROMETER WITH RAMAN SAMPLING
... 5.17 Spectra of bandpass and long-pass filter used for short UV fluorescence excitation. The left spectrum is on a 5nm per division scale, while the right spectrum in on a 10 nm per division scale............................................................... 87 5.18 MATLAB color processed image of ...
... 5.17 Spectra of bandpass and long-pass filter used for short UV fluorescence excitation. The left spectrum is on a 5nm per division scale, while the right spectrum in on a 10 nm per division scale............................................................... 87 5.18 MATLAB color processed image of ...
Fiber-based optical parametric amplifiers and their applications
... plification outside the conventional Erbium band has increased the interest in such optical parametric amplifiers (OPA). The fiber-based OPA is a well-known technique offering discrete or “lumped” gain using only a few hundred meters of fiber [4], [5]. It offers a wide gain bandwidth and may in simi ...
... plification outside the conventional Erbium band has increased the interest in such optical parametric amplifiers (OPA). The fiber-based OPA is a well-known technique offering discrete or “lumped” gain using only a few hundred meters of fiber [4], [5]. It offers a wide gain bandwidth and may in simi ...
Principles, Instrumentation, and Applications of Infrared Multispectral
... images contain signals that are generated by molecules or units in a sample, plotted as a function of spectral and spatial distribution (Morris 1993). As such, a single data set consists of both spatial and spectral information. The typical dimensions of this data set range from 256 256 to 1024 ...
... images contain signals that are generated by molecules or units in a sample, plotted as a function of spectral and spatial distribution (Morris 1993). As such, a single data set consists of both spatial and spectral information. The typical dimensions of this data set range from 256 256 to 1024 ...
Characterization of the citrate precursor, used for
... solution is heated at 80°C. Solely, in this study, before the solution becomes viscous, the evaporation was stopped and crystalline compound was formed in open air for a month. The obtained compound was stored in a desiccator over P2O5. The examined sample was named “Precursor” and was prepared acco ...
... solution is heated at 80°C. Solely, in this study, before the solution becomes viscous, the evaporation was stopped and crystalline compound was formed in open air for a month. The obtained compound was stored in a desiccator over P2O5. The examined sample was named “Precursor” and was prepared acco ...
Unit 1.5 Propagation in Fibre
... yTo obtain an improved model for propagation in a fibre, EM wave theory must be used. yRay diagram or Geometric Optics approach remains useful as a way to visualise propagation in a fibre. yBasis of EM analysis is a solution to Maxwells equations for a fibre. yFor ease of analysis a fibre is frequen ...
... yTo obtain an improved model for propagation in a fibre, EM wave theory must be used. yRay diagram or Geometric Optics approach remains useful as a way to visualise propagation in a fibre. yBasis of EM analysis is a solution to Maxwells equations for a fibre. yFor ease of analysis a fibre is frequen ...
Nonlinear polarization effects in optical fibers: polarization attraction
... operation of the nonlinear lossless polarizer is not accompanied by any loss of signal power. This is in marked contrast with the case of a linear polarizer: for an input depolarized beam, on average 50% of the power is lost at the polarizer output. Moreover, in a lossless polarizer the input signal ...
... operation of the nonlinear lossless polarizer is not accompanied by any loss of signal power. This is in marked contrast with the case of a linear polarizer: for an input depolarized beam, on average 50% of the power is lost at the polarizer output. Moreover, in a lossless polarizer the input signal ...
Introduction to super-resolution microscopy
... fluorescent probes is blurred and individual probe spots overlap and cannot be resolved. This overlap of fluorescence spots then limits the resolvable size of the sample structure (or distribution of fluorescent probes) in wide-field fluorescence microscopy. The image formation mechanism in laser scannin ...
... fluorescent probes is blurred and individual probe spots overlap and cannot be resolved. This overlap of fluorescence spots then limits the resolvable size of the sample structure (or distribution of fluorescent probes) in wide-field fluorescence microscopy. The image formation mechanism in laser scannin ...
Microscopy - Frank`s Hospital Workshop
... Vertico SMI - SPDMphymod Superresolution Microscopy Localization Microscopy/Spatially Structured Illumination Around 1995, Christoph Cremer commenced with the development of a light microscopic process, which achieved a substantially improved size resolution of cellular nanostructures stained with a ...
... Vertico SMI - SPDMphymod Superresolution Microscopy Localization Microscopy/Spatially Structured Illumination Around 1995, Christoph Cremer commenced with the development of a light microscopic process, which achieved a substantially improved size resolution of cellular nanostructures stained with a ...
Tuning Dynamic Range and Sensitivity of White
... To exploit the SP effect for analytical applications, two types of SPR sensors have been employed: constant-angle sensors and constant-wavelength sensors. Constant-angle SPR sensors employ the traditional “Kretschmann configuration” where a metal-coated BK7 glass prism is used for the sensing area. ...
... To exploit the SP effect for analytical applications, two types of SPR sensors have been employed: constant-angle sensors and constant-wavelength sensors. Constant-angle SPR sensors employ the traditional “Kretschmann configuration” where a metal-coated BK7 glass prism is used for the sensing area. ...
TDLS98AbBook
... is shortened and tends to be comparable with the wavelength of the absorbed radiation. This ‘caging‘ effect on the molecules progressively narrows their absorption line profile which, instead of being described by a Gauss function, is finally described by a Lorentz function when the gas pressure inc ...
... is shortened and tends to be comparable with the wavelength of the absorbed radiation. This ‘caging‘ effect on the molecules progressively narrows their absorption line profile which, instead of being described by a Gauss function, is finally described by a Lorentz function when the gas pressure inc ...
OPTICAL ADD-DROP MULTIPLEXERS
... added between demultiplexer and multiplexer to support more drop-add wavelengths. OADMs are classified as fixed-wavelength and as dynamically wavelengthselectable OADMs. In fixed-wavelength OADM, the wavelength has been selected and remains the same until human intervention changes it. In dynamicall ...
... added between demultiplexer and multiplexer to support more drop-add wavelengths. OADMs are classified as fixed-wavelength and as dynamically wavelengthselectable OADMs. In fixed-wavelength OADM, the wavelength has been selected and remains the same until human intervention changes it. In dynamicall ...