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Nanosphere Lithography: Effect of Substrate on the Localized
Nanosphere Lithography: Effect of Substrate on the Localized

Accuracy in Positioning Systems
Accuracy in Positioning Systems

... The angular errors of roll, pitch, and yaw (Ox, Oy, and Oz, respectively) are always present at some level in positioning tables and degrade performance in several ways. Their direct effect is to vary the angular orientation of a user payload. Due to the relative care with which these errors can be ...
Disordered one-‐dimensional photonic structures composed by
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workshop on laser-matter interaction 2010
workshop on laser-matter interaction 2010

... worldwide reputation. The island of Porquerolles was chosen for its beauty but also for the convenient facilities offered by the IGESA housing. We are 63 registered participants and received 65 contributions. Among those, 44 have been selected for oral sessions and 16 for the poster session. The ses ...
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... numerical method, to compute the diffraction integral in Eq. (3-8) the pupil is divided into area elements, and the integral becomes a finite sum of integrals over each element. The amplitude function and the phase function, are developed in series around the element central point and first order te ...
PHOTONIC CRYSTALS WITH ACTIVE ORGANIC MATERIALS by
PHOTONIC CRYSTALS WITH ACTIVE ORGANIC MATERIALS by

External Cavity Mode-locked Semiconductor Lasers For
External Cavity Mode-locked Semiconductor Lasers For

... and pulses that are compressible to the sub-picosecond regime. Finally, a new laser is built using a 10,000 Finesse Fabry-Pérot Etalon held in a vacuum chamber. The fluctuations in the optical frequency of the individual comb-lines over time periods longer than 12 minutes are shown to be significant ...
Ultrasensitive absorption spectroscopy with a high
Ultrasensitive absorption spectroscopy with a high

Fibre-Loop Ring-Down Spectroscopy Using Liquid Core Waveguides
Fibre-Loop Ring-Down Spectroscopy Using Liquid Core Waveguides

Properties of a 4Pi confocal fluorescence microscope
Properties of a 4Pi confocal fluorescence microscope

Laser-Assisted Dynamics on Metallic Surfaces using
Laser-Assisted Dynamics on Metallic Surfaces using

Light Scattering in Holographic Polymer Dispersed Liquid Crystals
Light Scattering in Holographic Polymer Dispersed Liquid Crystals

... Figure 13. An incident plane wave is scattered from a spherical particle. The scattered wave is a spherical wave centered on the particle, where the intensity of the scattered wave in a given direction is dependent on the parameters of the particle and incident wave. ................................ ...
Polarized Light Assessment of Complex Turbid
Polarized Light Assessment of Complex Turbid

Optical Cable and Accessory for TV Camera
Optical Cable and Accessory for TV Camera

Basic Wavefront Aberration Theory for Optical Metrology
Basic Wavefront Aberration Theory for Optical Metrology

Interaction of electromagnetic radiation with matter
Interaction of electromagnetic radiation with matter

... this quantity for various gases at optical (l0 ˆ 589 nm) and radio (typically 1 MHz) frequencies. 3.1.2.2 Solids and liquids that are electrical insulators Simple non-polar materials are characterised by a constant (possibly complex) value of "r . Simple polar materials can be described by the Debye ...
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UNIVERSITAT ROVIRA I VIRGILI
UNIVERSITAT ROVIRA I VIRGILI

... an ellipsometer is such that a change is film thickness of a few Angstroms is usually easy to detect. The use of spectroscopic ellipsometry has many advantages. The most important one is that ellipsometry measures a ratio of two values which permits highly accurate and reproducible (even in low ligh ...
New concept of laser fusion driver using Stimulated Brillouin
New concept of laser fusion driver using Stimulated Brillouin

... Cross-type amplifier with symmetric PCMs: 1. Compensate the phase distortions such as birefringence, thermal lensing effect, etc. 2. Perfect optical isolation possible ...
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High-Resolution Retinal Imaging using Adaptive Optics in a

... eyes provide the first stage in the complex process that leads to our perception of vision. At this very instant, light reflected from this page is being collected by the reader’s eye and focused on the retina at the back of the eye; this light triggers a series of chemical reactions responsible for ...
Recent advances in diffuse optical imaging
Recent advances in diffuse optical imaging

... of photoelectrons across the tube. PMTs with a TTS of 150–200 ps are available, but for a significantly shorter TTS (<50 ps) it is necessary to employ a microchannel-plate PMT (for examples, see www.hamamatsu.com). To date, the application of time-resolved measurement to diffuse optical imaging has i ...
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Particle sizing calibration with refractive index correction for light
Particle sizing calibration with refractive index correction for light

... Particle sizing is only one aspect of the function of an OPC. The other is particle concentration measurement. Although this work does not deal directly with this aspect of calibration, it is useful to consider some of the problems which may be encountered with the data presented here. For a closed ...
POLARIZATION IN OPTICAL FIBERS
POLARIZATION IN OPTICAL FIBERS

Detennining the Phase Diagra1n and Aggregate Size of a Chro1nonic Liquid Crystal J
Detennining the Phase Diagra1n and Aggregate Size of a Chro1nonic Liquid Crystal J

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Retroreflector



A retroreflector (sometimes called a retroflector or cataphote) is a device or surface that reflects light back to its source with a minimum of scattering. In a retroreflector an electromagnetic wavefront is reflected back along a vector that is parallel to but opposite in direction from the wave's source. The angle of incidence at which the device or surface reflects light in this way is greater than zero, unlike a planar mirror, which does this only if the mirror is exactly perpendicular to the wave front, having a zero angle of incidence.
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