
Measured limits to contamination of optical
... test cavity. The Fluorel test cavity showed a decrease in losses for the first 200 h. There are several mechanisms that could explain such an effect. For example, the mirror coating could have absorbed water or a contaminant film could have formed on the mirror before evacuation of the chamber, whic ...
... test cavity. The Fluorel test cavity showed a decrease in losses for the first 200 h. There are several mechanisms that could explain such an effect. For example, the mirror coating could have absorbed water or a contaminant film could have formed on the mirror before evacuation of the chamber, whic ...
Influence of Magnetic Field Inhomogeneity on a Magneto
... parts in the power systems. These relaying systems require current sensors, which are mostly electromagnetic devices that suffer from magnetic saturation effects and residual field effects. Recently several studies use optical current sensors as replacement for these established systems. Optical cur ...
... parts in the power systems. These relaying systems require current sensors, which are mostly electromagnetic devices that suffer from magnetic saturation effects and residual field effects. Recently several studies use optical current sensors as replacement for these established systems. Optical cur ...
Document
... For a fixed position, y = Asin(ω t +φ); that is to say, the temporal variation is sinusoidal with amplitude A, frequency ω and phase constant φ. Similarly, for a given time t, y = Asin(Kx+τ) so that a “photograph” of the string would show a sinecurve of y with x. At time Δt later, y = Asin(Kx+τ +ω Δ ...
... For a fixed position, y = Asin(ω t +φ); that is to say, the temporal variation is sinusoidal with amplitude A, frequency ω and phase constant φ. Similarly, for a given time t, y = Asin(Kx+τ) so that a “photograph” of the string would show a sinecurve of y with x. At time Δt later, y = Asin(Kx+τ +ω Δ ...
Document
... Even though the evanescent wave does not transport any energy to the nt medium, the finite E field in the nt medium can still polarize the atoms in the medium. If a higher index medium with index nt2 is placed near the ni/nt interface, and as long as the boundary conditions can be satisfied by a pro ...
... Even though the evanescent wave does not transport any energy to the nt medium, the finite E field in the nt medium can still polarize the atoms in the medium. If a higher index medium with index nt2 is placed near the ni/nt interface, and as long as the boundary conditions can be satisfied by a pro ...
EFFECT OF TEMPERATURE ON THE REFRACTIVE INDICES AND
... The liquid crystal was encapsulated in a cell with plane-parallel glass plates, prepared to provide a planar and uniaxial alignment of the molecules. The cell with liquid crystal was thermostated using a special electric oven and temperature was measured with a digital thermometer with accuracy of 0 ...
... The liquid crystal was encapsulated in a cell with plane-parallel glass plates, prepared to provide a planar and uniaxial alignment of the molecules. The cell with liquid crystal was thermostated using a special electric oven and temperature was measured with a digital thermometer with accuracy of 0 ...
Optics - Haiku
... Electromagnetic (EM) waves travel as oscillations in electrical and magnetic fields, and can transmit energy through a vacuum. They are always transverse waves. ...
... Electromagnetic (EM) waves travel as oscillations in electrical and magnetic fields, and can transmit energy through a vacuum. They are always transverse waves. ...
Problem Set 1 (due 2/21/06)
... spectrum? An absorption spectrum? Which two most closely resemble each other? A fluorescence emission spectrum is collected by illuminating the sample with a single wavelength and collecting a scan of the intensities of the different wavelengths emitted by the sample. A laser would be an excellent e ...
... spectrum? An absorption spectrum? Which two most closely resemble each other? A fluorescence emission spectrum is collected by illuminating the sample with a single wavelength and collecting a scan of the intensities of the different wavelengths emitted by the sample. A laser would be an excellent e ...
Design for a Compact Tunable Ti:Sapphire Laser.
... (Fig. 2). The slope efficiency of 32% results in an output power of 2.6 W at 9 W of pump power. Near 980 nm the laser threshold is 3.4 W. The output power increases with pump power at a rate of 12% and reaches a value of 750 mW at 9 W of pump power. If the glass plate étalons are removed from the c ...
... (Fig. 2). The slope efficiency of 32% results in an output power of 2.6 W at 9 W of pump power. Near 980 nm the laser threshold is 3.4 W. The output power increases with pump power at a rate of 12% and reaches a value of 750 mW at 9 W of pump power. If the glass plate étalons are removed from the c ...
Scanning Tunneling Microscopy
... improving, four centuries after scientists started using it. Perhaps the most important improvement in the past three decades has been confocal microscopy, in which a pair of pinhole apertures is used to collect only in-focus light in the focal plane – thereby allowing both a higher-resolution image ...
... improving, four centuries after scientists started using it. Perhaps the most important improvement in the past three decades has been confocal microscopy, in which a pair of pinhole apertures is used to collect only in-focus light in the focal plane – thereby allowing both a higher-resolution image ...
Intermittent measurement
... for the control of thin film thickness. Single layer and multilayer coatings were controlled by examining their reflected colour2. The human eye was used as the detector like in Newton’s experiment. From this time the development of thin film measurement cannot be separated from the development of t ...
... for the control of thin film thickness. Single layer and multilayer coatings were controlled by examining their reflected colour2. The human eye was used as the detector like in Newton’s experiment. From this time the development of thin film measurement cannot be separated from the development of t ...
Novel biosensor for detecting Hemoglobin and its oxidation state
... was shown that the GH shift in a geometry supporting a surface plasmon can be used to enhance the accuracy by one or two orders of magnitude [4]. The phase singularity at the surface plasmon resonance is responsible for the enhanced sensitivity. A simple-minded stationary phase approximation [6] was ...
... was shown that the GH shift in a geometry supporting a surface plasmon can be used to enhance the accuracy by one or two orders of magnitude [4]. The phase singularity at the surface plasmon resonance is responsible for the enhanced sensitivity. A simple-minded stationary phase approximation [6] was ...
The physics of the compact disc
... length of the track (tracking error). The diameter of the spot of light incident on the recorded track will also be affected by the distance of the track from the lens. Ideally this equals the focal length of the lens, but if the disc is not perfectly flat or if it does not sit perfectly in the play ...
... length of the track (tracking error). The diameter of the spot of light incident on the recorded track will also be affected by the distance of the track from the lens. Ideally this equals the focal length of the lens, but if the disc is not perfectly flat or if it does not sit perfectly in the play ...
Question 10.1: Monochromatic light of wavelength 589 nm is
... In a single slit diffraction experiment, if the width of the slit is made double the original width, then the size of the central diffraction band reduces to half and the intensity of the central diffraction band increases up to four times. The interference pattern in a double-slit experiment is mod ...
... In a single slit diffraction experiment, if the width of the slit is made double the original width, then the size of the central diffraction band reduces to half and the intensity of the central diffraction band increases up to four times. The interference pattern in a double-slit experiment is mod ...
Opto-Electronic Oscillator in the mm-W range for 5G
... the light. ■ Reasons ; imperfections of the optical fiber and/or reflection at optical connectors or fiber splices. ■ The scattered light is converted to RF amplitude or phase noise due to light interference between the scattered and non-scattered light at the PD. ■ In general, the scattered light i ...
... the light. ■ Reasons ; imperfections of the optical fiber and/or reflection at optical connectors or fiber splices. ■ The scattered light is converted to RF amplitude or phase noise due to light interference between the scattered and non-scattered light at the PD. ■ In general, the scattered light i ...
Orbital rotation without orbital angular momentum
... evolution, and allow one to describe interrelations between the spin and orbital degrees of freedom of light [12,15–17,19–23]. However, the wide practical application of the internal flow parameters is hampered by difficulties in their experimental measurement and/or visualization. At present, only ...
... evolution, and allow one to describe interrelations between the spin and orbital degrees of freedom of light [12,15–17,19–23]. However, the wide practical application of the internal flow parameters is hampered by difficulties in their experimental measurement and/or visualization. At present, only ...
Tunable properties of light propagation in photonic liquid crystal fibers
... source of radiating fields. In current implementations for circular inclusions, the method achieves high accuracy and rapid convergence, with modest computational resources. Systems with large numbers of inclusions can be modelled, and for structures with discrete rotational symmetries the computati ...
... source of radiating fields. In current implementations for circular inclusions, the method achieves high accuracy and rapid convergence, with modest computational resources. Systems with large numbers of inclusions can be modelled, and for structures with discrete rotational symmetries the computati ...
Laser - bYTEBoss
... special effects are amazing. They use lasers that are in the visible spectrum along with vibrating mirrors to paint images in the air. ...
... special effects are amazing. They use lasers that are in the visible spectrum along with vibrating mirrors to paint images in the air. ...
Generation of a dark hollow beam by a four
... In recent years, with the fast development of atom optics, the laser manipulated cold atoms [1-2] has become one of research hot points in atom optics. In particular, the atomic guide with a blue-detuned dark hollow beam (DHB) was proposed [3] and studied both theoretically [4-5] and experimentally[ ...
... In recent years, with the fast development of atom optics, the laser manipulated cold atoms [1-2] has become one of research hot points in atom optics. In particular, the atomic guide with a blue-detuned dark hollow beam (DHB) was proposed [3] and studied both theoretically [4-5] and experimentally[ ...