Nanosecond laser-induced breakdown in pure and - AS
... studied the temporal structure of the broadband light emitted upon optical breakdown. We find it consists of two pulses, a short one of 16 ns duration, and a long one of several hundred ns. The brightness, spectra, and time profiles of the white light provide clues to the nature of the material modi ...
... studied the temporal structure of the broadband light emitted upon optical breakdown. We find it consists of two pulses, a short one of 16 ns duration, and a long one of several hundred ns. The brightness, spectra, and time profiles of the white light provide clues to the nature of the material modi ...
Miscellaeous features - JLab Tech Notes Home Page
... Modeling shows that the IR upgrade might be capable of extracting 20 kW from a 150 MeV, 10 mA electron beam. For the extremely low loss coatings envisioned for the IR upgrade, the losses in the output coupler may be dominated by the bulk absorption. For example, if the bulk absorption is 0.1%/cm, th ...
... Modeling shows that the IR upgrade might be capable of extracting 20 kW from a 150 MeV, 10 mA electron beam. For the extremely low loss coatings envisioned for the IR upgrade, the losses in the output coupler may be dominated by the bulk absorption. For example, if the bulk absorption is 0.1%/cm, th ...
The Fundamentals of Infrared Spectroscopy
... of infrared spectroscopy the wavelength of light incident on the detector at a given time is known. This is called DISPERSIVE spectroscopy because the light is dispersed into its component wavelengths. In many cases, however, the optics are more complex. In the case of Fourier Transform infrared spe ...
... of infrared spectroscopy the wavelength of light incident on the detector at a given time is known. This is called DISPERSIVE spectroscopy because the light is dispersed into its component wavelengths. In many cases, however, the optics are more complex. In the case of Fourier Transform infrared spe ...
Ab-Initio Calculations of Photonic Structures
... VMODE with an independent simulation. Finally, we substitute the expressions obtained by Eqs.(2)&(3) in this manner into Eq.(1), in order to obtain the black dashed curves shown here. As one can see, perturbation theory models the true behavior very faithfully. ...
... VMODE with an independent simulation. Finally, we substitute the expressions obtained by Eqs.(2)&(3) in this manner into Eq.(1), in order to obtain the black dashed curves shown here. As one can see, perturbation theory models the true behavior very faithfully. ...
100G EPON Laser Safety Issues
... fiber optic telecommunications equipment and the like. Federal law requires that laser products comply with the laser safety requirements of the Center for Devices and Radiological Health (CDRH), a division of the Food and Drug Administration (FDA). Laser safety requirements are contained in 21CFR P ...
... fiber optic telecommunications equipment and the like. Federal law requires that laser products comply with the laser safety requirements of the Center for Devices and Radiological Health (CDRH), a division of the Food and Drug Administration (FDA). Laser safety requirements are contained in 21CFR P ...
PowerPoint Presentation - Tip-tilt mirror and sensor configuration
... • Description of diffraction depends on how far you are from the source (Fresnel, Fraunhofer) • Geometric and diffractive phenomena seen in the lab (Rayleigh range, diffraction limit, depth of focus…) • Image formation with wave optics Page 65 ...
... • Description of diffraction depends on how far you are from the source (Fresnel, Fraunhofer) • Geometric and diffractive phenomena seen in the lab (Rayleigh range, diffraction limit, depth of focus…) • Image formation with wave optics Page 65 ...
The Focusing and Talbot Effect of Periodic Arrays of Metallic
... are similar to the patches of nanoholes suggested by Gao et al [17]. Three distinct shapes of nanoapertures named nanowave, nanohole, and nanodot, respectively, are analyzed. In addition to observing the focusing property in the air, as reported in most literature [16, 17, 23–25], we also perform an ...
... are similar to the patches of nanoholes suggested by Gao et al [17]. Three distinct shapes of nanoapertures named nanowave, nanohole, and nanodot, respectively, are analyzed. In addition to observing the focusing property in the air, as reported in most literature [16, 17, 23–25], we also perform an ...
Strain-Temperature Discrimination Using Multimode Interference in
... with high condition number, a small relative error in [] can lead to a large relative error in the solution []. In order to have a well-conditioned system, cross-sensitivity between the two sensors is necessary, i.e., the one with higher temperature sensitivity must be the one with the lowest stra ...
... with high condition number, a small relative error in [] can lead to a large relative error in the solution []. In order to have a well-conditioned system, cross-sensitivity between the two sensors is necessary, i.e., the one with higher temperature sensitivity must be the one with the lowest stra ...
Wave optics theory and 3-D deconvolution
... The reconstruction technique we have developed is closely related to “computational superresolution” methods in the field of computer vision [3]. This signal processing technique combines multiple under-sampled and aliased images of a scene to recover an image with sub-pixel (or in our case, sub-len ...
... The reconstruction technique we have developed is closely related to “computational superresolution” methods in the field of computer vision [3]. This signal processing technique combines multiple under-sampled and aliased images of a scene to recover an image with sub-pixel (or in our case, sub-len ...
Characterization of a 90° waveguide bend using near-field scanning optical microscopy
... method is regarded as a simple and effective method to solve for the mode profile. However, experimental observations have not previously been reported on the evolution of modes in waveguide bends. To characterize a waveguide bend, near-field scanning optical microscopy 共NSOM兲 is used to directly me ...
... method is regarded as a simple and effective method to solve for the mode profile. However, experimental observations have not previously been reported on the evolution of modes in waveguide bends. To characterize a waveguide bend, near-field scanning optical microscopy 共NSOM兲 is used to directly me ...
Investigation of the presence of rod-shaped bacteria on food surface
... fresh tomato was cut at approximately 1 × 1 mm and placed on the glass slide for AFM measurements. Six different samples were selected with an approximate 100 × 100 µm2 area by use of the tapping mode, and both the root-mean-square (RMS) and average roughness (Ra) were computed. The measurement resu ...
... fresh tomato was cut at approximately 1 × 1 mm and placed on the glass slide for AFM measurements. Six different samples were selected with an approximate 100 × 100 µm2 area by use of the tapping mode, and both the root-mean-square (RMS) and average roughness (Ra) were computed. The measurement resu ...
Preview of “ZEISS Microscopy Online ...opy Basics | Objectives”
... observation. The coverslip acts to converge the light cones originating from each point in the specimen. But it also introduces chromatic and spherical aberration that must be corrected by the objective. The refractive index, dispersion, and thickness of the cove ...
... observation. The coverslip acts to converge the light cones originating from each point in the specimen. But it also introduces chromatic and spherical aberration that must be corrected by the objective. The refractive index, dispersion, and thickness of the cove ...
SPDM: light microscopy with single
... laser scanning 4Pi microscopy [5–9] has become an established ‘nanoscopy’ method, allowing an axial optical resolution down to the 100-nm range. Compared to the results of conventional fluorescence microscopy methods, this resolution is 5–7 times better. In many imaging applications, the structural ...
... laser scanning 4Pi microscopy [5–9] has become an established ‘nanoscopy’ method, allowing an axial optical resolution down to the 100-nm range. Compared to the results of conventional fluorescence microscopy methods, this resolution is 5–7 times better. In many imaging applications, the structural ...
Normal-Incidence Photoemission Electron Microscopy (NI
... same phase, which will result in constructive interference. One will find the largest electron yield at these positions. In the case “C” of Fig. 4, the fields of the laser pulse and the SPP are always of opposite phase, which will result in destructive interference and minimal electron emission. All ...
... same phase, which will result in constructive interference. One will find the largest electron yield at these positions. In the case “C” of Fig. 4, the fields of the laser pulse and the SPP are always of opposite phase, which will result in destructive interference and minimal electron emission. All ...
幻灯片 1 - USTC, ICTS
... As rogue waves are exceedingly difficult to study directly, the relationship between rogue waves and solitons has not yet been definitively established, but it is believed that they are connected. Optical rogue waves. ...
... As rogue waves are exceedingly difficult to study directly, the relationship between rogue waves and solitons has not yet been definitively established, but it is believed that they are connected. Optical rogue waves. ...