Resolution [from the New Merriam-Webster Dictionary, 1989 ed.]: 3 resolve
... Two point objects are “just resolvable” (limited by diffraction only) if they are separated by: Two–dimensional systems (rotationally symmetric PSF) ...
... Two point objects are “just resolvable” (limited by diffraction only) if they are separated by: Two–dimensional systems (rotationally symmetric PSF) ...
Optical response of plasmonic relief meta-surfaces
... dictated by geometric parameters including the in-plane size, out of plane height/depth, anisotropy, cross-sectional shape and periodic arrangement of features. As illustrated above, the (an)isotropy of unit cells determines the polarization dependence of optical properties. The cross-sectional shap ...
... dictated by geometric parameters including the in-plane size, out of plane height/depth, anisotropy, cross-sectional shape and periodic arrangement of features. As illustrated above, the (an)isotropy of unit cells determines the polarization dependence of optical properties. The cross-sectional shap ...
Density Matrix Calculation of Surface Enhanced
... Raman scattering.11,25 In contrast, a1 mode enhancement was ascribed strictly to electromagnetic effects (A-term scattering). In more recent off-resonant experiments, Jackson, et al.,5,6 have measured SERS response of PMA-coated nanoshells under carefully controlled conditions with 782 nm (1.6 eV) ...
... Raman scattering.11,25 In contrast, a1 mode enhancement was ascribed strictly to electromagnetic effects (A-term scattering). In more recent off-resonant experiments, Jackson, et al.,5,6 have measured SERS response of PMA-coated nanoshells under carefully controlled conditions with 782 nm (1.6 eV) ...
In situ self-release of thick GaN wafer from
... In order to measure the strain distribution in the GaN epilayer in different thickness (depth), a series of samples have been prepared, as shown in Fig. S8. The Raman spectra were recorded for these samples. The characteristic peak at E2 mode is used to determine the stress type and magnitude. The c ...
... In order to measure the strain distribution in the GaN epilayer in different thickness (depth), a series of samples have been prepared, as shown in Fig. S8. The Raman spectra were recorded for these samples. The characteristic peak at E2 mode is used to determine the stress type and magnitude. The c ...
HeNe The Helium-Neon Laser - University of Toronto Physics
... After turning on the laser (see Section 3), try investigating several properties of the laser: 1. Measure the wavelength of the laser light. While you have the laser operating in the TEM0,0 mode at low power, reflect some of the laser beam into the spectrometer so as to measure the central wavelengt ...
... After turning on the laser (see Section 3), try investigating several properties of the laser: 1. Measure the wavelength of the laser light. While you have the laser operating in the TEM0,0 mode at low power, reflect some of the laser beam into the spectrometer so as to measure the central wavelengt ...
Microsoft Word Format - University of Toronto Physics
... amplification in a He-Ne laser arises in the glow discharge while feedback of the optical radiation is provided by two highly reflecting, well aligned mirrors. The conditions necessary for amplification are fulfilled as a consequence of the different ways in which an atom may emit or absorb radiatio ...
... amplification in a He-Ne laser arises in the glow discharge while feedback of the optical radiation is provided by two highly reflecting, well aligned mirrors. The conditions necessary for amplification are fulfilled as a consequence of the different ways in which an atom may emit or absorb radiatio ...
ULTRA-HIGH DENSITY OPTICAL DATA STORAGE P.R. Hemmer
... from the detectors will first be digitized via thresholding with a firmware, then stored in the SLM/CAM memory buffer. After 800 pages have been read, the data will be uploaded into the main-frame computer, processed by the error correction decoding software, and compared to the original data bank. ...
... from the detectors will first be digitized via thresholding with a firmware, then stored in the SLM/CAM memory buffer. After 800 pages have been read, the data will be uploaded into the main-frame computer, processed by the error correction decoding software, and compared to the original data bank. ...
Low-Complexity Velocity Estimation in High
... backscattered from turbid media with high spatial resolution (~10 µm) and sensitivity (dynamic range of 100 dB). High spatial resolution in depth is obtained since only light backscattered from the turbid medium with equal optical path lengths in the sample and reference paths will produce interfere ...
... backscattered from turbid media with high spatial resolution (~10 µm) and sensitivity (dynamic range of 100 dB). High spatial resolution in depth is obtained since only light backscattered from the turbid medium with equal optical path lengths in the sample and reference paths will produce interfere ...
Optical gain in silicon nanocrystals
... By measuring the ampli®ed signal for various wavelengths we obtained the gain spectrum for both samples A and B (Fig. 3; see also Supplementary Information). A wide spectral band is observed which spectrally overlaps the wavelength range of the luminescence, demonstrating that ampli®cation is produc ...
... By measuring the ampli®ed signal for various wavelengths we obtained the gain spectrum for both samples A and B (Fig. 3; see also Supplementary Information). A wide spectral band is observed which spectrally overlaps the wavelength range of the luminescence, demonstrating that ampli®cation is produc ...
Saturation
... Since the absorption profile of a homogeneously broadened line is Lorentzian, the induced absorption probability is B12 ( ) L( 0 ) And the saturation parameter is B12 ( ) S L( 0 ) S ( 0 ) ...
... Since the absorption profile of a homogeneously broadened line is Lorentzian, the induced absorption probability is B12 ( ) L( 0 ) And the saturation parameter is B12 ( ) S L( 0 ) S ( 0 ) ...
Nonlinear Optical Methods to Study Condensed Phase
... we get a signal and the inhomogeneous contribution ( f ( eg )) is removed. This signal is the photon echo. We could go on and calculate the decay of the echo signal as we increase t1 . For the very simple model we have used here, the echo decays as exp ( 4eg t ) if the inhomogeneous broadening i ...
... we get a signal and the inhomogeneous contribution ( f ( eg )) is removed. This signal is the photon echo. We could go on and calculate the decay of the echo signal as we increase t1 . For the very simple model we have used here, the echo decays as exp ( 4eg t ) if the inhomogeneous broadening i ...
Laser Locking with Doppler-free Saturated Absorption Spectroscopy
... spontaneously decay to more than one lower energy level that may or may not interact with the incident laser beam. When atoms are excited and then decay to a non-resonant lower level, the population of atoms in the resonant ground state becomes depleted and causes an increase in the size of the satu ...
... spontaneously decay to more than one lower energy level that may or may not interact with the incident laser beam. When atoms are excited and then decay to a non-resonant lower level, the population of atoms in the resonant ground state becomes depleted and causes an increase in the size of the satu ...
Harnessing a Quantum Design Approach for Making Low
... information. Our QM superlens works through a similar, neardiffractionless, propagation effect as in the ENZ material, but it replaces the hyperbolic IDC with the highly eccentric elliptical IDC of Figure 1d, and it exploits quantum design techniques to reduce the loss. The “quantum” aspect of the des ...
... information. Our QM superlens works through a similar, neardiffractionless, propagation effect as in the ENZ material, but it replaces the hyperbolic IDC with the highly eccentric elliptical IDC of Figure 1d, and it exploits quantum design techniques to reduce the loss. The “quantum” aspect of the des ...
Optogenetic Neuromodulation
... greater divergence angle would also result in illumination intensity dropping at a higher rate (due to greater surface area of light emitted), but the result would be greater local specificity to the fiber tip. Light Sources The diode lasers and LEDs used as light sources in previous investigations ...
... greater divergence angle would also result in illumination intensity dropping at a higher rate (due to greater surface area of light emitted), but the result would be greater local specificity to the fiber tip. Light Sources The diode lasers and LEDs used as light sources in previous investigations ...
Enhancement of absorption and color contrast in
... dielectric films.4,5 By combining metals or metal-like materials with dielectrics featuring strong optical absorption, the thickness of the films can be reduced even further (e.g. k/(20n)) due to the nontrivial (not 0 or p) reflection phase shifts at interfaces between one or more lossy materials. ...
... dielectric films.4,5 By combining metals or metal-like materials with dielectrics featuring strong optical absorption, the thickness of the films can be reduced even further (e.g. k/(20n)) due to the nontrivial (not 0 or p) reflection phase shifts at interfaces between one or more lossy materials. ...
Optical Processing for Pattern Properties
... An arrangement for measuring the angular content of the wiener spectrum, applying coherent optics, may be of considerable help in analyzing imageries for earth sciences. During t h e last years two methods for promultidi~ne~lsional cessing two-dimensional information have imaging a r e utilized in d ...
... An arrangement for measuring the angular content of the wiener spectrum, applying coherent optics, may be of considerable help in analyzing imageries for earth sciences. During t h e last years two methods for promultidi~ne~lsional cessing two-dimensional information have imaging a r e utilized in d ...
Microwave frequency generation using a dual
... Dual-frequency lasers have many potential applications such as soliton pulse train generation [1], heterodyne interferometry for distance measurement [2], and optical sensing [3]. Dual-mode lasers are also of interest for their potential in generating radio-frequency signals for microwave applicatio ...
... Dual-frequency lasers have many potential applications such as soliton pulse train generation [1], heterodyne interferometry for distance measurement [2], and optical sensing [3]. Dual-mode lasers are also of interest for their potential in generating radio-frequency signals for microwave applicatio ...
Superior Pointing Stability Simplifies MPE Imaging
... mirror assemblies that return an incident light beam back along an axis that is perfectly parallel to the incoming light path. Where the beam is large enough to fill the input aperture of a retroreflector, the return beam retraces the path of the incident beam. Obviously, system performance depends ...
... mirror assemblies that return an incident light beam back along an axis that is perfectly parallel to the incoming light path. Where the beam is large enough to fill the input aperture of a retroreflector, the return beam retraces the path of the incident beam. Obviously, system performance depends ...
Miniaturized modules for light sheet microscopy with low chromatic
... sample. For this purpose, a capillary filled with a fluorescent dye, e.g. rhodamine 6G, is placed in the sample holder. The cylindrical lens is now rotated by 90° to visualize the beam waist and to adjust its position by moving the illumination unit via a translation stage back and forth in horizont ...
... sample. For this purpose, a capillary filled with a fluorescent dye, e.g. rhodamine 6G, is placed in the sample holder. The cylindrical lens is now rotated by 90° to visualize the beam waist and to adjust its position by moving the illumination unit via a translation stage back and forth in horizont ...
waveplates - CVI Laser Optics
... waveplates maintain excellent waveplate performance even with minor shifts in the source wavelength. The temperature sensitivity of laminated polymer waveplates is about 0.15 nm/°C, allowing operation over moderate temperature ranges without significantly degrading retardance accuracy. A comparison ...
... waveplates maintain excellent waveplate performance even with minor shifts in the source wavelength. The temperature sensitivity of laminated polymer waveplates is about 0.15 nm/°C, allowing operation over moderate temperature ranges without significantly degrading retardance accuracy. A comparison ...
Highly fluorescent silver/gold mixture quantum clusters showing
... n’s are the refractive indices with nx= 1.33 for water and ns=1.36 for ethanol. Quantum Yield of Rhodamine 6G in ethanol is taken to be 0.95. Briefly, series of diluted samples AuAgGSH in water and for Rhodamine 6G at known concentration between 10-4M and 10-8M were prepared and fluorescence excitat ...
... n’s are the refractive indices with nx= 1.33 for water and ns=1.36 for ethanol. Quantum Yield of Rhodamine 6G in ethanol is taken to be 0.95. Briefly, series of diluted samples AuAgGSH in water and for Rhodamine 6G at known concentration between 10-4M and 10-8M were prepared and fluorescence excitat ...
• - Nature
... Additional UFOFC data in the time and the frequency domain are shown below. Figure S2 shows the overview and the close-up of time-domain waveforms of the generated UFOFC. In the enlarged view over the time range of 10 s, the waveform is periodic with the period of 0.7 s. Within one period, there a ...
... Additional UFOFC data in the time and the frequency domain are shown below. Figure S2 shows the overview and the close-up of time-domain waveforms of the generated UFOFC. In the enlarged view over the time range of 10 s, the waveform is periodic with the period of 0.7 s. Within one period, there a ...
Dynamic pulsed-beam shaping using a TAG lens in the
... Spatial light modulators are generally limited to refresh rates of less than 100 Hz, while galvanometers and acousto-optic modulators are primarily capable of deflecting and not shaping beams. Mirror arrays can be fast and effective, however they are expensive and subject to pixelation effects. Tuna ...
... Spatial light modulators are generally limited to refresh rates of less than 100 Hz, while galvanometers and acousto-optic modulators are primarily capable of deflecting and not shaping beams. Mirror arrays can be fast and effective, however they are expensive and subject to pixelation effects. Tuna ...
Full text
... Spatial light modulators are generally limited to refresh rates of less than 100 Hz, while galvanometers and acousto-optic modulators are primarily capable of deflecting and not shaping beams. Mirror arrays can be fast and effective, however they are expensive and subject to pixelation effects. Tuna ...
... Spatial light modulators are generally limited to refresh rates of less than 100 Hz, while galvanometers and acousto-optic modulators are primarily capable of deflecting and not shaping beams. Mirror arrays can be fast and effective, however they are expensive and subject to pixelation effects. Tuna ...