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... chemical, and mechanical stability and high transparency [1–5]. Both are also known as hard oxides with high wear and scratch resistance to mechanical damage. Due to a high transmittance over a wide spectral range from the ultraviolet (200 nm) to near-infrared (1.2 µm), low optical absorption and di ...
... chemical, and mechanical stability and high transparency [1–5]. Both are also known as hard oxides with high wear and scratch resistance to mechanical damage. Due to a high transmittance over a wide spectral range from the ultraviolet (200 nm) to near-infrared (1.2 µm), low optical absorption and di ...
Photo-catalytic transparent heat mirror film TiO2/TiN/TiO2
... TiO2 films were formed by direct current magnetron sputtering of a water-cooled metallic Ti target (99.6% purity) in a mixture of pure Argon (99.999%) and O2 (99.999%) gas with a ratio of O2/Ar = 0.08. The TiN films in heat mirrors(TiO2/TiN/TiO2) were deposited by direct current magnetron sputtering ...
... TiO2 films were formed by direct current magnetron sputtering of a water-cooled metallic Ti target (99.6% purity) in a mixture of pure Argon (99.999%) and O2 (99.999%) gas with a ratio of O2/Ar = 0.08. The TiN films in heat mirrors(TiO2/TiN/TiO2) were deposited by direct current magnetron sputtering ...
Birefringence in Optical Fibers: Applications
... however, practical fibers are not perfectly circularly symmetric. As a result, the two modes propagate with slightly different phase and group velocities. Furthermore, environmental factors such as bend, twist, and anisotropic stress also produce birefringence in the fiber, the direction and magnitu ...
... however, practical fibers are not perfectly circularly symmetric. As a result, the two modes propagate with slightly different phase and group velocities. Furthermore, environmental factors such as bend, twist, and anisotropic stress also produce birefringence in the fiber, the direction and magnitu ...
Super-Resolution Microscopy: Interference and Pattern Techniques
... the pattern is only one dimensional in the focal plane(x − y-plane) as is the case with the patterns shown in Figure 9.2. Two methods to spatially modulate the excitation intensity in SIM are common: two-beam interference (also denoted by fringe projection) and three-beam interference (grid projecti ...
... the pattern is only one dimensional in the focal plane(x − y-plane) as is the case with the patterns shown in Figure 9.2. Two methods to spatially modulate the excitation intensity in SIM are common: two-beam interference (also denoted by fringe projection) and three-beam interference (grid projecti ...
Evolutionary optimization of layouts for high density free space
... But the angles and folding intervals are not the only parameters that can be set. It is also possible to change the arrangement of the connectors, thus influencing the value of LAB , the geometric distance between the in- and output fiber, for a beam. We ran the EA with a lot of different arrangements ...
... But the angles and folding intervals are not the only parameters that can be set. It is also possible to change the arrangement of the connectors, thus influencing the value of LAB , the geometric distance between the in- and output fiber, for a beam. We ran the EA with a lot of different arrangements ...
Increasing the blue-shift of a supercontinuum by
... The first experiments with supercontinuum generation in a photonic crystal fibre (PCF) demonstrated impressive spectra spanning from 400 nm to 1500 nm using 100 fs pulses [1]. Often, one does not require the use of the entire supercontinuum bandwidth, or the spectrum needs to be concentrated in a sp ...
... The first experiments with supercontinuum generation in a photonic crystal fibre (PCF) demonstrated impressive spectra spanning from 400 nm to 1500 nm using 100 fs pulses [1]. Often, one does not require the use of the entire supercontinuum bandwidth, or the spectrum needs to be concentrated in a sp ...
Optical contrast and clarity of graphene on an
... when 兩r兩 is small and when the phase of r is approximately / 6. The contrast goes to infinity when r goes to zero, as shown in Fig. 2共a兲. Contrast maps can also be acquired for other probe wavelengths and incidence angles based on Eq. 共5兲. The simplest substrate that gives graphene high contrast i ...
... when 兩r兩 is small and when the phase of r is approximately / 6. The contrast goes to infinity when r goes to zero, as shown in Fig. 2共a兲. Contrast maps can also be acquired for other probe wavelengths and incidence angles based on Eq. 共5兲. The simplest substrate that gives graphene high contrast i ...
High frequency characterization of the Gsanger LM0202P eletro-optic [i.e. electro-optic] modulator
... As the vertically polarized light wave propagates through the electro-optic crystal the plane of polarization is rotated 90 degrees ...
... As the vertically polarized light wave propagates through the electro-optic crystal the plane of polarization is rotated 90 degrees ...
Distance Sensing with Dynamic Speckles
... which makes it possible to work with fast-moving objects, and (ii) the possibility of making measurements on extremely rough surfaces where other sensors such as, for example, triangulation [1] do not reach the required performance. The proposed technique is based on the well-known speckle effect di ...
... which makes it possible to work with fast-moving objects, and (ii) the possibility of making measurements on extremely rough surfaces where other sensors such as, for example, triangulation [1] do not reach the required performance. The proposed technique is based on the well-known speckle effect di ...
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... inverse scattering problems, specific tools have been developed that enable practical solution of specific problems. Over time, these tools have been synthesized into general methodologies that have enabled investigators in many disciplines to mutually improve the state of the art in inverse scatter ...
... inverse scattering problems, specific tools have been developed that enable practical solution of specific problems. Over time, these tools have been synthesized into general methodologies that have enabled investigators in many disciplines to mutually improve the state of the art in inverse scatter ...
A simple peak-to-average power ratio reduction
... transmission systems, for its high spectral efficiency, relatively low bit rate and advanced robustness against chromatic dispersion and polarization mode dispersion [1-3]. Conventional optical OFDM systems utilize electronic fast Fourier transform (FFT) circuits and complicated digital to analog (D ...
... transmission systems, for its high spectral efficiency, relatively low bit rate and advanced robustness against chromatic dispersion and polarization mode dispersion [1-3]. Conventional optical OFDM systems utilize electronic fast Fourier transform (FFT) circuits and complicated digital to analog (D ...
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.