- Welcome to UC Santa Barbara
... • Kerr’s effect – inetnsity-dependent index of refraction: n = n0 + n2I • The e/m field inside the laser cavity has Gaussian distribution of intensity which creates similar distribution of the refractive index. • High-intensity beam is self-focused by the photoinduced lens. ...
... • Kerr’s effect – inetnsity-dependent index of refraction: n = n0 + n2I • The e/m field inside the laser cavity has Gaussian distribution of intensity which creates similar distribution of the refractive index. • High-intensity beam is self-focused by the photoinduced lens. ...
Graphene-like optical light field and its interaction with two
... The generation of an optical graphene-like potential in which cold atoms become trapped is motivated by the fact that it represents a cold-atom analog of real graphene. The honeycomb optical dipole potential associated with the light field is an adjustable versatile physical platform for a number of ...
... The generation of an optical graphene-like potential in which cold atoms become trapped is motivated by the fact that it represents a cold-atom analog of real graphene. The honeycomb optical dipole potential associated with the light field is an adjustable versatile physical platform for a number of ...
femtosecond laser - UCSB - Optical Characterization Lab
... • Kerr’s effect – inetnsity-dependent index of refraction: n = n0 + n2I • The e/m field inside the laser cavity has Gaussian distribution of intensity which creates similar distribution of the refractive index. • High-intensity beam is self-focused by the photoinduced lens. ...
... • Kerr’s effect – inetnsity-dependent index of refraction: n = n0 + n2I • The e/m field inside the laser cavity has Gaussian distribution of intensity which creates similar distribution of the refractive index. • High-intensity beam is self-focused by the photoinduced lens. ...
The Optics of the Spherical Fish Lens
... derived. Maxwell’s infinite lens did not consider refraction at the fish lens boundary. Also, an infinitely distant object would have been imaged infinitesimally small, as the rule of image formation of the Maxwell lens differs from that of more conventional lenses. The Luneburg lens also does not a ...
... derived. Maxwell’s infinite lens did not consider refraction at the fish lens boundary. Also, an infinitely distant object would have been imaged infinitesimally small, as the rule of image formation of the Maxwell lens differs from that of more conventional lenses. The Luneburg lens also does not a ...
BE112A Topic 1: Introduction to Biomechanics
... In the ray optics regime, the size of the object is much larger than the wave lenght of the light, and a single beam can be tracked throughout the particle. (This situation is for example when whole cells are trapped using infrared light while suspended in solution. The incident laser beam can be de ...
... In the ray optics regime, the size of the object is much larger than the wave lenght of the light, and a single beam can be tracked throughout the particle. (This situation is for example when whole cells are trapped using infrared light while suspended in solution. The incident laser beam can be de ...
Chapter 12. Wave Optics Optics can be divided into two categories: I
... Note that the phase "jumps" from one wave to the next. If the phases line up, you cannot tell where one wave ends and the other begins. Adding coherent sources: In the case where sources are coherent, you can easily predict what the sums will be. Incoherent sources do not add in a way that is easy f ...
... Note that the phase "jumps" from one wave to the next. If the phases line up, you cannot tell where one wave ends and the other begins. Adding coherent sources: In the case where sources are coherent, you can easily predict what the sums will be. Incoherent sources do not add in a way that is easy f ...
Spatial amplitude and phase modulation using commercial twisted
... light and detected the horizontally polarized component of the modulated light. We measured the intensity in the zeroth order of the far-field diffraction pattern for different contrast levels of the grating. The contrast difference is achieved by keeping the notches of the grating steady at a const ...
... light and detected the horizontally polarized component of the modulated light. We measured the intensity in the zeroth order of the far-field diffraction pattern for different contrast levels of the grating. The contrast difference is achieved by keeping the notches of the grating steady at a const ...
Selective plane illumination microscopy techniques in
... measurements are to represent normal development, living organisms should not be squeezed between sheets of glass or be exposed to vast amounts of laser light, which frequently results in photo-bleaching (see Glossary in Box 1), photo-damage, or heating. Several recently introduced imaging technique ...
... measurements are to represent normal development, living organisms should not be squeezed between sheets of glass or be exposed to vast amounts of laser light, which frequently results in photo-bleaching (see Glossary in Box 1), photo-damage, or heating. Several recently introduced imaging technique ...
Proceedings Template
... DLPTM 1-chip optical system, namely, the wheel, rod integrator, and 3-5 element relay optics. On the other hand, a conventional scrolling-color system will require 3 color splitting dichroics, mirrors for positioning the 3 beams, optics for focusing each color onto the modulator, and optics for mani ...
... DLPTM 1-chip optical system, namely, the wheel, rod integrator, and 3-5 element relay optics. On the other hand, a conventional scrolling-color system will require 3 color splitting dichroics, mirrors for positioning the 3 beams, optics for focusing each color onto the modulator, and optics for mani ...
Resolution in Confocal Microscopy
... We now have an expression for the intensity of light at the focus of a lens. We wish to see how this behaves in a physically realistic situation. We shall plot the intensity patterns of light for varying wavelengths to produce the final image. These simulations were performed with MATLAB, see sectio ...
... We now have an expression for the intensity of light at the focus of a lens. We wish to see how this behaves in a physically realistic situation. We shall plot the intensity patterns of light for varying wavelengths to produce the final image. These simulations were performed with MATLAB, see sectio ...
Superluminal ring laser for hypersensitive sensing H. N. Yum, M. Salit,
... Refs 1&3. To see why, consider, for example, a ring laser gyroscope (RLG). In an RLG, the rate of rotation is proportional to the beat frequency between the two counter-propagating modes. If the RLG is now operated in the WLC mode, the rotation sensitivity will scale by ξ, just as described above. H ...
... Refs 1&3. To see why, consider, for example, a ring laser gyroscope (RLG). In an RLG, the rate of rotation is proportional to the beat frequency between the two counter-propagating modes. If the RLG is now operated in the WLC mode, the rotation sensitivity will scale by ξ, just as described above. H ...
Ultra-thin plasmonic optical vortex plate based on phase
... (Received 19 October 2011; accepted 9 November 2011; published online 3 January 2012) A flat optical device that generates optical vortices with a variety of topological charges is demonstrated. This device spatially modulates light beams over a distance much smaller than the wavelength in the direc ...
... (Received 19 October 2011; accepted 9 November 2011; published online 3 January 2012) A flat optical device that generates optical vortices with a variety of topological charges is demonstrated. This device spatially modulates light beams over a distance much smaller than the wavelength in the direc ...
chapter 6
... incisions and interventions are made in order to strongly reduce the recovery period after surgery. Modern medicine uses different types of endoscopes: fibrogastroscopes, colonoscopes, rectoscopes. In some modern endoscopes light emitting diods (LEDs) and miniature television (TV) cameras are mounte ...
... incisions and interventions are made in order to strongly reduce the recovery period after surgery. Modern medicine uses different types of endoscopes: fibrogastroscopes, colonoscopes, rectoscopes. In some modern endoscopes light emitting diods (LEDs) and miniature television (TV) cameras are mounte ...
Supplement
... reflections of the probe beam from the walls of the glass cell and from optical elements in the imaging system can interfere with the probe beam itself, leading to spatial fluctuations in its intensity profile. To reduce interference fringes and ensure uniform illumination, the central area of the prob ...
... reflections of the probe beam from the walls of the glass cell and from optical elements in the imaging system can interfere with the probe beam itself, leading to spatial fluctuations in its intensity profile. To reduce interference fringes and ensure uniform illumination, the central area of the prob ...
Point-focus spectral splitting solar concentrator
... connection and the need for tunnel junctions between sub-cells further limit the design freedom. The resulting fabrication process of MJ cells, generally based on stacked mono-crystalline III-V materials, requires expensive epitaxial growth techniques and is, for this reason, economically viable for ...
... connection and the need for tunnel junctions between sub-cells further limit the design freedom. The resulting fabrication process of MJ cells, generally based on stacked mono-crystalline III-V materials, requires expensive epitaxial growth techniques and is, for this reason, economically viable for ...
Dispersion function Twiss parameters
... The strength change K is (sufficiently) well known: • Magnet tranfer function & hysteresis. • For long magnets, resp. when b changes significantly over the length of the magnet, it is necessary to integrate numerically. The tune can be measured with high accuracy – for example with a PLL. ...
... The strength change K is (sufficiently) well known: • Magnet tranfer function & hysteresis. • For long magnets, resp. when b changes significantly over the length of the magnet, it is necessary to integrate numerically. The tune can be measured with high accuracy – for example with a PLL. ...
String Oscillograph
... enables one to observe waveform of an electrical current in real time. This is accomplished by the following implementations. A very fine tungsten wire is positioned in a magnetic field supplied by a permanent magnet. When an electrical current flows through the wire, the wire will get deflected whe ...
... enables one to observe waveform of an electrical current in real time. This is accomplished by the following implementations. A very fine tungsten wire is positioned in a magnetic field supplied by a permanent magnet. When an electrical current flows through the wire, the wire will get deflected whe ...
