Read more... Using the Document Camera
... 8. Turn off the document camera after you have finished using it. ...
... 8. Turn off the document camera after you have finished using it. ...
Materials processing with a tightly focused femtosecond laser vortex
... in polychromatic pulses. Uncompensated charge dispersion leads to a poor quality of the beam and the impossibility of using it for precision laser materials processing [2]. Compensation schemes, however, come at the expense of making the beam-shaping setups significantly more complicated and sensiti ...
... in polychromatic pulses. Uncompensated charge dispersion leads to a poor quality of the beam and the impossibility of using it for precision laser materials processing [2]. Compensation schemes, however, come at the expense of making the beam-shaping setups significantly more complicated and sensiti ...
Spectral phase conjugation via temporal imaging
... and reversal in the time domain. Hence the temporal 4-f system using two time lenses should be able to revert and conjugate any given input waveform as sketched in Fig. 1. This requires that the overall waveform magnification factor should be set to −1, and only one of the FWM operations generates a ...
... and reversal in the time domain. Hence the temporal 4-f system using two time lenses should be able to revert and conjugate any given input waveform as sketched in Fig. 1. This requires that the overall waveform magnification factor should be set to −1, and only one of the FWM operations generates a ...
Optically polarized atoms_ch_4
... The simplest description is in the photon picture : A photon is a particle with intrinsic angular momentum one ( ) ...
... The simplest description is in the photon picture : A photon is a particle with intrinsic angular momentum one ( ) ...
Light and optics
... rays have the shortest wavelength and the highest frequency of all the waves in the electromagnetic spectrum. Gamma rays result from nuclear reactions and can kill cells. We can use gamma rays to kill harmful cells such as cancer. This is known as radiation therapy. ...
... rays have the shortest wavelength and the highest frequency of all the waves in the electromagnetic spectrum. Gamma rays result from nuclear reactions and can kill cells. We can use gamma rays to kill harmful cells such as cancer. This is known as radiation therapy. ...
Select Safety Light Curtain Terms
... beams to move within protected field … thus allowing the object to be ignored to move within the protected field without deactivating the light curtain safety outputs. As long as no more than the selected number of adjacent beams is interrupted, the system remains operational and does not initiate s ...
... beams to move within protected field … thus allowing the object to be ignored to move within the protected field without deactivating the light curtain safety outputs. As long as no more than the selected number of adjacent beams is interrupted, the system remains operational and does not initiate s ...
Heuristic Green`s function of the time dependent
... and pencil beam source, are used to validate the heuristic Green’s function. Except for the very early times, the proposed solution has an excellent accuracy (> 98 % for the isotropic case, and > 97 % for the anisotropic case) significantly better than the diffusion equation. The use of this solutio ...
... and pencil beam source, are used to validate the heuristic Green’s function. Except for the very early times, the proposed solution has an excellent accuracy (> 98 % for the isotropic case, and > 97 % for the anisotropic case) significantly better than the diffusion equation. The use of this solutio ...
Optical Sources - BYU -- ECEn 466 Course Information
... • Primarily caused by the O-H bond in water that has absorption peaks at =2.8, 1.4, 0.93, 0.7 mm • Interaction between O-H bond and SiO2 glass at =1.24 mm • The most important absorption peaks are at =1.4 mm and 1.24 mm ...
... • Primarily caused by the O-H bond in water that has absorption peaks at =2.8, 1.4, 0.93, 0.7 mm • Interaction between O-H bond and SiO2 glass at =1.24 mm • The most important absorption peaks are at =1.4 mm and 1.24 mm ...
The nature of light - FIU Faculty Websites
... • R. Hooke suggested a wave theory of light in his Micrographia (1665), comparing the spreading of light vibrations to that of waves in water. He suggested in 1672 that the vibrations in light might be perpendicular to the direction of propagation. • Newton rejected a simple wave theory of light bec ...
... • R. Hooke suggested a wave theory of light in his Micrographia (1665), comparing the spreading of light vibrations to that of waves in water. He suggested in 1672 that the vibrations in light might be perpendicular to the direction of propagation. • Newton rejected a simple wave theory of light bec ...
Noise propagation in wave-front sensing with
... The influence of the distance between the two observation planes on the noise propagation must also be studied. Figure 6 presents the total noise variance of the first 21 estimated Zernike coefficients as a function of the amount of defocus between the two observation planes. For the first time to o ...
... The influence of the distance between the two observation planes on the noise propagation must also be studied. Figure 6 presents the total noise variance of the first 21 estimated Zernike coefficients as a function of the amount of defocus between the two observation planes. For the first time to o ...
Light propagates in the form of waves
... wavefunction. This approximate way of treating light is called scalar wave optics, or simply wave optics. When light waves propagate through and around objects whose dimensions are much greater than the wavelength, the wave nature of light is not discernable. In that case, the behaviour of light can ...
... wavefunction. This approximate way of treating light is called scalar wave optics, or simply wave optics. When light waves propagate through and around objects whose dimensions are much greater than the wavelength, the wave nature of light is not discernable. In that case, the behaviour of light can ...
LBS-100 System
... LBS-100 Attenuator The LBS-100 system that is not as compact as the LBS-300 above but has larger aperture, and has versions for longer wavelengths. The system contains the mounting frame, 1 wedge beam splitter and several attenuators. The exit end of the LBS-100 is standard C mount thread so all our ...
... LBS-100 Attenuator The LBS-100 system that is not as compact as the LBS-300 above but has larger aperture, and has versions for longer wavelengths. The system contains the mounting frame, 1 wedge beam splitter and several attenuators. The exit end of the LBS-100 is standard C mount thread so all our ...
Binoculars - shapes and lenses
... I’m the only one classifying binoculars and/or telescopes into these groups and naming them as I do. The sales literature at manufacturers' and sellers' websites usually don't even mention lens types being used, despite their importance. But optics test scores in the comparison studies by Bird Watch ...
... I’m the only one classifying binoculars and/or telescopes into these groups and naming them as I do. The sales literature at manufacturers' and sellers' websites usually don't even mention lens types being used, despite their importance. But optics test scores in the comparison studies by Bird Watch ...
An adaptive liquid lens with radial interdigitated
... where ε0 is the permittivity of free space, ε1 and ε2 are dielectric constants of the droplet and the surrounded medium, respectively. E denotes the electric field. If ε1 > ε2, then these molecules are pulled to move towards the region with higher electric field. Due to the cohesive force between the ...
... where ε0 is the permittivity of free space, ε1 and ε2 are dielectric constants of the droplet and the surrounded medium, respectively. E denotes the electric field. If ε1 > ε2, then these molecules are pulled to move towards the region with higher electric field. Due to the cohesive force between the ...
Lab 9 - University of Utah Physics
... When you bring the mirrors closer together you will see fewer and fewer rings. Try to move the mirrors closer together but don’t get them too close - otherwise the mirrors will touch and everything will go out of alignment again. ...
... When you bring the mirrors closer together you will see fewer and fewer rings. Try to move the mirrors closer together but don’t get them too close - otherwise the mirrors will touch and everything will go out of alignment again. ...
Resolution-and throughput-enhanced spectroscopy using high
... Figure 1a, shows the image of the dispersed light that is formed on the detector, from which the spectrum is extracted, note that since the size of the input aperture is not limited in the dispersion direction there is an overlap of the spectral features which tends to decrease the spectral resoluti ...
... Figure 1a, shows the image of the dispersed light that is formed on the detector, from which the spectrum is extracted, note that since the size of the input aperture is not limited in the dispersion direction there is an overlap of the spectral features which tends to decrease the spectral resoluti ...
Synchronization of Micromechanical Oscillators Using Light
... Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853, USA. ...
... Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853, USA. ...
Achromatic correction of diffractive dispersion in white light SLM
... and λ0 is the chosen design wavelength. The phase map addressed on the SLM is controlled by the spatial variations of the refractive index n achieved by the applied voltage. The refractive index is adjusted in order to achieve the desired phase profile for a fixed thickness of the LC layer d and the ...
... and λ0 is the chosen design wavelength. The phase map addressed on the SLM is controlled by the spatial variations of the refractive index n achieved by the applied voltage. The refractive index is adjusted in order to achieve the desired phase profile for a fixed thickness of the LC layer d and the ...
Coherence scanning interferometry: linear theory of surface
... interferometers can be compared in terms of linear system theory [14–18]. In this way the system is characterized either in the space domain by the point spread function (PSF) or equivalently in the (spatial) frequency domain, by the transfer function (TF). As the image of a point-like object, the P ...
... interferometers can be compared in terms of linear system theory [14–18]. In this way the system is characterized either in the space domain by the point spread function (PSF) or equivalently in the (spatial) frequency domain, by the transfer function (TF). As the image of a point-like object, the P ...