Improved Reconstruction of Images Distorted by Water Waves
... This technique is based on the assumption that the integral of the periodic function modeling the water waves is zero (or constant) when time tends to infinity. Average-based methods such as the one described in (Shefer et al., 2001) can produce reasonable results when the distortion is caused by lo ...
... This technique is based on the assumption that the integral of the periodic function modeling the water waves is zero (or constant) when time tends to infinity. Average-based methods such as the one described in (Shefer et al., 2001) can produce reasonable results when the distortion is caused by lo ...
SOIL PENETROMETER WITH RAMAN SAMPLING
... 5.14 Color processed image of fluorescing Xanthoria. This image was taken with the uncooled camera with one second of exposure at 25 ºC............................ 84 5.15 Monochrome image an Antarctica rock with an endolithic bacteria layer. This image was taken with the uncooled camera with one se ...
... 5.14 Color processed image of fluorescing Xanthoria. This image was taken with the uncooled camera with one second of exposure at 25 ºC............................ 84 5.15 Monochrome image an Antarctica rock with an endolithic bacteria layer. This image was taken with the uncooled camera with one se ...
Analyzing optical spectra by computer simulation
... common problem, for example, is to find the right interference fringe order in the simulated spectrum. This can be solved quite often by scanning the thickness value on a fixed set of values in a pre-defined search range ('grid fit'). Taking the best thickness value of this test series as starting v ...
... common problem, for example, is to find the right interference fringe order in the simulated spectrum. This can be solved quite often by scanning the thickness value on a fixed set of values in a pre-defined search range ('grid fit'). Taking the best thickness value of this test series as starting v ...
Quantitative spectroscopic photoacoustic imaging
... although the accurate determination of these acoustic quantities could have an indirect effect on QPAI if they are used to improve the accuracy of the acoustic image reconstruction. A great deal of work has been done in recent years on finding and designing suitable contrast agents for PAI, but the ...
... although the accurate determination of these acoustic quantities could have an indirect effect on QPAI if they are used to improve the accuracy of the acoustic image reconstruction. A great deal of work has been done in recent years on finding and designing suitable contrast agents for PAI, but the ...
Stokes Polarimetry - Hinds Instruments
... polarization state in situations where the linear polarization direction is not initially defined. Thus, two measurements at 45 degrees with respect to each other must be made. This is a requirement of all general purpose polarimeters. With a PEM, there are at least two ways of accomplishing this. T ...
... polarization state in situations where the linear polarization direction is not initially defined. Thus, two measurements at 45 degrees with respect to each other must be made. This is a requirement of all general purpose polarimeters. With a PEM, there are at least two ways of accomplishing this. T ...
Light fan driven by relativistic laser pulse
... corresponding to L = 2.0×10-17 kg m2 s-1 is about ω = 7×108 rad s-1. It can be one order higher than man-made rotational speed record 6×107 rad s-1, which is also laser-induced [21]. The rotation of the plasma after the laser pulse leaves may be used to simulate the pulsars [15]. Fig. 3(b) (red plu ...
... corresponding to L = 2.0×10-17 kg m2 s-1 is about ω = 7×108 rad s-1. It can be one order higher than man-made rotational speed record 6×107 rad s-1, which is also laser-induced [21]. The rotation of the plasma after the laser pulse leaves may be used to simulate the pulsars [15]. Fig. 3(b) (red plu ...
Single-Mode Optical Waveguides and
... boundary value problem for rectangular waveguides; one have obtained,x in a simple way, the two fundamental vechas to either use numerical techniques [l]-[8] or develop tor modes E u and £{, [9] of the original rectangular approximate solutions [9]-[15]. The numerical tech- waveguide [17]. A compari ...
... boundary value problem for rectangular waveguides; one have obtained,x in a simple way, the two fundamental vechas to either use numerical techniques [l]-[8] or develop tor modes E u and £{, [9] of the original rectangular approximate solutions [9]-[15]. The numerical tech- waveguide [17]. A compari ...
Lens induced by stress in ... for high-pressure cells
... the optical measurement cell. IJsually, transmission of the required light and operation without breakage are the only important criteria for the windows.’ However, laser, interferometric, and nonlinear optical measurements can impose additional, more stringent requirements on the windows. In partic ...
... the optical measurement cell. IJsually, transmission of the required light and operation without breakage are the only important criteria for the windows.’ However, laser, interferometric, and nonlinear optical measurements can impose additional, more stringent requirements on the windows. In partic ...
Experiment 24 - School of Physics
... wavelength of an atomic spectral line. In 1907 he became the first U.S. citizen1 to receive the Nobel Prize in Physics “for his optical precision instruments and the spectroscopic and metrological investigations carried out with their aid.” Modified versions of the Michelson interferometer are still ...
... wavelength of an atomic spectral line. In 1907 he became the first U.S. citizen1 to receive the Nobel Prize in Physics “for his optical precision instruments and the spectroscopic and metrological investigations carried out with their aid.” Modified versions of the Michelson interferometer are still ...
Optical Fibres in Communications
... the latter half of the 20th century. Normally we are unaware that we are using them, although many of us do frequently. The majority of telephone calls and internet traffic at some stage in their journey will be transmitted along an optical fiber. Why has the development of fibers been given so much ...
... the latter half of the 20th century. Normally we are unaware that we are using them, although many of us do frequently. The majority of telephone calls and internet traffic at some stage in their journey will be transmitted along an optical fiber. Why has the development of fibers been given so much ...
Computer-generated holograms using multiview images captured
... method requires specially designed photography devices and cannot produce high-resolution reconstructed images. CGHs created using MVIs captured by ordinary digital cameras has been proposed [5,6]. These methods are based on holographic stereograms [7] generated by the spatial frequency distribution ...
... method requires specially designed photography devices and cannot produce high-resolution reconstructed images. CGHs created using MVIs captured by ordinary digital cameras has been proposed [5,6]. These methods are based on holographic stereograms [7] generated by the spatial frequency distribution ...
Green's function formulation for third-harmonic generation microscopy
... With the Green’s function model we are able to investigate THG from interfaces of different orientations. Figure 4 shows that THG signals can arise from an interface perpendicular or parallel to the optical axis. Interestingly, the THG signal is dependent on the polarization direction of the excitat ...
... With the Green’s function model we are able to investigate THG from interfaces of different orientations. Figure 4 shows that THG signals can arise from an interface perpendicular or parallel to the optical axis. Interestingly, the THG signal is dependent on the polarization direction of the excitat ...
Time-Domain Large-Signal Modeling of Traveling
... the most commonly employed models are based on small-signal analysis without considering the nonlinear characteristics [2-3]; they cannot predict time-domain responses for large-signal modulations. A reliable dynamic model that reflects both linear and nonlinear responses of SiP modulators including ...
... the most commonly employed models are based on small-signal analysis without considering the nonlinear characteristics [2-3]; they cannot predict time-domain responses for large-signal modulations. A reliable dynamic model that reflects both linear and nonlinear responses of SiP modulators including ...
The mechanism for continuum polarization in laser induced
... studies of Al and found that the magnitude of the polarization, P, decreases monotonically with fluence between 5.4 and 497 J/cm2. They also found that P is greater for an s-polarized laser than for p-polarization. With these differences in mind, they showed that the various ns studies are mostly con ...
... studies of Al and found that the magnitude of the polarization, P, decreases monotonically with fluence between 5.4 and 497 J/cm2. They also found that P is greater for an s-polarized laser than for p-polarization. With these differences in mind, they showed that the various ns studies are mostly con ...
Holographic beam - Meadowlark Optics
... effects that reduce pattern integrity. For this paper pattern integrity refers to the ability to accurately form the phase hologram and maintain the pattern. In this paper, we use results from both transmissive and reflective ECB devices, since we needed different backplane designs to implement the ...
... effects that reduce pattern integrity. For this paper pattern integrity refers to the ability to accurately form the phase hologram and maintain the pattern. In this paper, we use results from both transmissive and reflective ECB devices, since we needed different backplane designs to implement the ...
Extended Nijboer-Zernike representation of the vector field in the
... c 2003 Optical Society of ...
... c 2003 Optical Society of ...
Effect of optical basicity and energy transfer on near
... for broadband near-infrared (NIR) tunable amplification and lasing[1]. The quantum yield of the NIR luminescence is very low due to the stimulated emission cross section of Bi-doped glasses and very small at 1100 - 1300 nm wavelengths, thus, it is necessary to use commercially LDs as pumping sources ...
... for broadband near-infrared (NIR) tunable amplification and lasing[1]. The quantum yield of the NIR luminescence is very low due to the stimulated emission cross section of Bi-doped glasses and very small at 1100 - 1300 nm wavelengths, thus, it is necessary to use commercially LDs as pumping sources ...
FABRICATION OF MICROFLUIDIC STRUCTURES BY LASER
... fiber needs to be aligned in 5 dimensions (X, Y, Z; tip/tilt), but only the lateral directions result in significant loss with misalignment. If light can be captured from the output port with a large free space detector, it is straightforward to perform the alignment by optimizing the coupling effic ...
... fiber needs to be aligned in 5 dimensions (X, Y, Z; tip/tilt), but only the lateral directions result in significant loss with misalignment. If light can be captured from the output port with a large free space detector, it is straightforward to perform the alignment by optimizing the coupling effic ...
Properties of a 4Pi confocal fluorescence microscope
... has a diameter somewhat larger than A/2. If this ideal illumination is approached and if two microscope objectives of high numerical aperture are used, a fluorescent sample can be illuminated coherently from both sides, and the fluorescence emission is also detected on both sides. This arrangement i ...
... has a diameter somewhat larger than A/2. If this ideal illumination is approached and if two microscope objectives of high numerical aperture are used, a fluorescent sample can be illuminated coherently from both sides, and the fluorescence emission is also detected on both sides. This arrangement i ...
Light Scattering
... as a collection of overlying parallel layers, which if subdivided finely enough, are of uniform composition and temperature. For such a plane-parallel atmosphere it is common to designate τ as the vertical optical depth such that the actual path of light through a layer depends on the zenith angle, ...
... as a collection of overlying parallel layers, which if subdivided finely enough, are of uniform composition and temperature. For such a plane-parallel atmosphere it is common to designate τ as the vertical optical depth such that the actual path of light through a layer depends on the zenith angle, ...