Measurement of transparent plates with
... “300-mm aperture phase shifting Fizeau interferometer,” Opt. Eng. 38, 1371–1380 共1999兲. K. G. Larkin and B. F. Oreb, “Design and assessment of symmetrical phase-shifting algorithms,” J. Opt. Soc. Am. A 9, 1740 –1748 共1992兲. K. Freischlad and C. L. Koliopoulos, “Fourier description of digital phase-m ...
... “300-mm aperture phase shifting Fizeau interferometer,” Opt. Eng. 38, 1371–1380 共1999兲. K. G. Larkin and B. F. Oreb, “Design and assessment of symmetrical phase-shifting algorithms,” J. Opt. Soc. Am. A 9, 1740 –1748 共1992兲. K. Freischlad and C. L. Koliopoulos, “Fourier description of digital phase-m ...
Lec03 - nptel
... energy carried by them is effectively confined to an annular region around the axis as shown in figure 3.6. Consequently, at the output, skew rays will have minimum energy at the axis of the optical fiber and it will gradually increase towards the periphery of the core. Thus when light energy is lau ...
... energy carried by them is effectively confined to an annular region around the axis as shown in figure 3.6. Consequently, at the output, skew rays will have minimum energy at the axis of the optical fiber and it will gradually increase towards the periphery of the core. Thus when light energy is lau ...
Collimation Tester - Newport Corporation
... method used to test the collimation of laser light whose coherence length is long compared to the thickness of the collimation tester. The collimating optics can be adjusted until horizontal interference fringes are obtained in the output image, as described below. The Collimation Tester is simply a ...
... method used to test the collimation of laser light whose coherence length is long compared to the thickness of the collimation tester. The collimating optics can be adjusted until horizontal interference fringes are obtained in the output image, as described below. The Collimation Tester is simply a ...
Ab-Initio Calculations of Photonic Structures
... Marin Soljacic, Elefterios Lidorikis, Lene V. Hau, and J. D. Joannopoulos For many important applications (e.g. quantum information processing, integrated all-optical signal processing etc.) it would be highly beneficial to have strong and nearly instantaneous interaction of light with light, prefer ...
... Marin Soljacic, Elefterios Lidorikis, Lene V. Hau, and J. D. Joannopoulos For many important applications (e.g. quantum information processing, integrated all-optical signal processing etc.) it would be highly beneficial to have strong and nearly instantaneous interaction of light with light, prefer ...
Silica-Based Highly Nonlinear Fibers and Their Applications
... index profile is used to realize a single-mode operation in the target wavelengths while maintaining a high nonlinearity and flexibilities in designing of chromatic dispersion. It is known that the efficiency of FWM generation is proportional to (γ × Leff × Ppump)2, where γ is the nonlinear coeffici ...
... index profile is used to realize a single-mode operation in the target wavelengths while maintaining a high nonlinearity and flexibilities in designing of chromatic dispersion. It is known that the efficiency of FWM generation is proportional to (γ × Leff × Ppump)2, where γ is the nonlinear coeffici ...
Plasmonic Nanopore for Electrical Profiling of
... demonstrated by an excellent correspondence between experimental results and theoretical calculations. The high dynamic range and signal-to-noise ratio is due to the fact that the total signals (∼10 nA at 10 mW laser power) are 3−4 orders of magnitude higher than the noise level of typical nanopores ...
... demonstrated by an excellent correspondence between experimental results and theoretical calculations. The high dynamic range and signal-to-noise ratio is due to the fact that the total signals (∼10 nA at 10 mW laser power) are 3−4 orders of magnitude higher than the noise level of typical nanopores ...
Bismuth-doped optical fibers: a challenging active medium
... been devoted to the identification and the generation of new active laser media. This research made it possible to improve the characteristics of the existing lasers and to develop new ones. Active glass optical fibers are one of the most efficient laser media. Fiber lasers have excellent beam quali ...
... been devoted to the identification and the generation of new active laser media. This research made it possible to improve the characteristics of the existing lasers and to develop new ones. Active glass optical fibers are one of the most efficient laser media. Fiber lasers have excellent beam quali ...
robust and automatic vanishing points detection with their
... been recorded every time. The eight images have been processed in order to extract the vanishing points in an automatic way. The angles Á and ·, computed from (Patias and Petsa,1993) using the values of focal length and position of the optic center as results of a calibration, are bound directly to ...
... been recorded every time. The eight images have been processed in order to extract the vanishing points in an automatic way. The angles Á and ·, computed from (Patias and Petsa,1993) using the values of focal length and position of the optic center as results of a calibration, are bound directly to ...
Understanding Polarization
... The amount of light output in each polarization state can be determined by simply breaking up the incident light into its two polarization components (s and p), and then calculating how much of each intensity is transmitted and reflected. For systems based on incoherent light, this level of detail i ...
... The amount of light output in each polarization state can be determined by simply breaking up the incident light into its two polarization components (s and p), and then calculating how much of each intensity is transmitted and reflected. For systems based on incoherent light, this level of detail i ...
Nonlinear photoacoustic spectroscopy of hemoglobin
... in vivo functional and molecular imaging tool. In the PA phenomenon, light is absorbed by molecules and converted to heat. Subsequent thermoelastic expansion generates an acoustic wave, termed the PA wave.1,2 Detection of PA waves sequentially excited at multiple optical wavelengths provides quantit ...
... in vivo functional and molecular imaging tool. In the PA phenomenon, light is absorbed by molecules and converted to heat. Subsequent thermoelastic expansion generates an acoustic wave, termed the PA wave.1,2 Detection of PA waves sequentially excited at multiple optical wavelengths provides quantit ...
Optical aberrations of intraocular lenses measured in vivo and in vitro
... For comparison with in vitro measurements, converging rays with the same angle and the same effective pupil as in the eye cell model were traced through the IOL. For comparison with in vivo measurements, the individual corneal elevation maps and anterior chamber depths were used. The posterior corne ...
... For comparison with in vitro measurements, converging rays with the same angle and the same effective pupil as in the eye cell model were traced through the IOL. For comparison with in vivo measurements, the individual corneal elevation maps and anterior chamber depths were used. The posterior corne ...
A tunable low-energy photon source for high
... photon energies used at synchrotrons, sit close to the minimum of the so-called “universal curve” describing the inelastic mean free path of photoexcited electrons within a metal as a function of their kinetic energy.2, 3 Some benefits of using low-energy light sources therefore include an enhanced ...
... photon energies used at synchrotrons, sit close to the minimum of the so-called “universal curve” describing the inelastic mean free path of photoexcited electrons within a metal as a function of their kinetic energy.2, 3 Some benefits of using low-energy light sources therefore include an enhanced ...
Expressive Chromatic Accumulation Buffering for Defocus Blur
... been devoted to this direction. The previous studies to build complete lens systems based on the formal lens specification have led us to physically faithful images with ray tracing or path tracing [11, 26]. Despite their realism, underlying physical constraints limit the resulting appearance to som ...
... been devoted to this direction. The previous studies to build complete lens systems based on the formal lens specification have led us to physically faithful images with ray tracing or path tracing [11, 26]. Despite their realism, underlying physical constraints limit the resulting appearance to som ...
Question bank Physics Part1 (Updated 9-July-12)
... 39. Fresnel’s biprism fringes are observed with white light. When a thin transparent sheet covers one-half part of the biprism the central fringe shifts sideways by 14.97mm. With the same geometry the fringe width with Hg green light (λ=5461Ǻ) comes out to be 0.274mm. Deduce the thickness of the she ...
... 39. Fresnel’s biprism fringes are observed with white light. When a thin transparent sheet covers one-half part of the biprism the central fringe shifts sideways by 14.97mm. With the same geometry the fringe width with Hg green light (λ=5461Ǻ) comes out to be 0.274mm. Deduce the thickness of the she ...
Accelerating Light Beams along Arbitrary Convex
... provide a general platform for designing and exploring a completely new family of shaped light beams. We have shown that the beams are nonbroadening to a preplanned extent, and that their Ai2 shaped diffraction pattern is a universal feature, characteristic of all arbitrarily accelerating convex 1D ...
... provide a general platform for designing and exploring a completely new family of shaped light beams. We have shown that the beams are nonbroadening to a preplanned extent, and that their Ai2 shaped diffraction pattern is a universal feature, characteristic of all arbitrarily accelerating convex 1D ...
A Review of Effect of Light on Microalgae Growth
... and enhance public awareness .It's well known that fossil fuels will not survive for long time because of the dangerous accumulation of "green house gas" CO2 and due to depleting resources, depending on that it's very important to explore renewable energy source that's eco-friendly and economical, s ...
... and enhance public awareness .It's well known that fossil fuels will not survive for long time because of the dangerous accumulation of "green house gas" CO2 and due to depleting resources, depending on that it's very important to explore renewable energy source that's eco-friendly and economical, s ...
Laser beam collimation testing: reliable results in seconds! New
... beams. With a beam diameter of 25 mm, collimation can be determined with a precision of 50 µrad. Because it can determine the radius of curvature of the wave front, the Shear Plate Interferometer can also be used to determine the focal length of weakly focused optical systems, or to determine the ra ...
... beams. With a beam diameter of 25 mm, collimation can be determined with a precision of 50 µrad. Because it can determine the radius of curvature of the wave front, the Shear Plate Interferometer can also be used to determine the focal length of weakly focused optical systems, or to determine the ra ...
7th-ATF2-urakawa
... facility. First meas. of e-cloud build-up using instrumented sections in dipoles and drifts sections (large emittance). ...
... facility. First meas. of e-cloud build-up using instrumented sections in dipoles and drifts sections (large emittance). ...
ICOLS 2015 - Centre for Quantum Technologies
... Optical sideband cooling of trapped ions to the ground state of their motion is now a standard technique. This is a pre-requisite for experiments in trapped ion quantum information and quantum optics. Until now optical sideband cooling has not been demonstrated in a Penning trap. This is because the ...
... Optical sideband cooling of trapped ions to the ground state of their motion is now a standard technique. This is a pre-requisite for experiments in trapped ion quantum information and quantum optics. Until now optical sideband cooling has not been demonstrated in a Penning trap. This is because the ...