Analysis of Tilted Grating Etalon for DWDM Demultiplexer Sommart Sang-Ngern, Non-member
... optical network has been significantly increasing because of the growing of high-speed data communications. One system called DWDM has been improved in order to support all the bandwidth expansion. A tunable optical filter is a key device in such DWDM systems. Since the selective filters are one of ...
... optical network has been significantly increasing because of the growing of high-speed data communications. One system called DWDM has been improved in order to support all the bandwidth expansion. A tunable optical filter is a key device in such DWDM systems. Since the selective filters are one of ...
OKO guide to adaptive optics
... Liquid crystal (LC) phase modulators represent a low-cost alternative to mechanically driven mirrors; their operation is based on modulation of refraction index n of the LC layer under the Tel: +31 70 262 94-20 • Fax: +31 70 710 14-00 ...
... Liquid crystal (LC) phase modulators represent a low-cost alternative to mechanically driven mirrors; their operation is based on modulation of refraction index n of the LC layer under the Tel: +31 70 262 94-20 • Fax: +31 70 710 14-00 ...
ChromatiC dispersion
... The result of GVD, whether negative or positive, is ultimately temporal spreading of the pulse. This makes dispersion management extremely important in optical communications systems based on optical fiber, since if dispersion is too high, a group of pulses representing a bit-stream will spread in t ...
... The result of GVD, whether negative or positive, is ultimately temporal spreading of the pulse. This makes dispersion management extremely important in optical communications systems based on optical fiber, since if dispersion is too high, a group of pulses representing a bit-stream will spread in t ...
Distributed Temperature Sensing Using Stimulated
... an optical coupler. Light signals of different frequencies experience different phase delays after passing through the same fiber. These phase differences depend on the locations of the sensing FBGs and can be measured with the help of interference. This way wavelength-sensitive devices are not requ ...
... an optical coupler. Light signals of different frequencies experience different phase delays after passing through the same fiber. These phase differences depend on the locations of the sensing FBGs and can be measured with the help of interference. This way wavelength-sensitive devices are not requ ...
UNIT-4 OCN
... • where a is the maximum acceptance angle, n1 is the core refractive index and n2 is the cladding refractive index. • It is assumed in that the light is incident on the fiber end face from air with a refractive index (n0) of unity. • numerical aperture thus defined represents only the local NA of ...
... • where a is the maximum acceptance angle, n1 is the core refractive index and n2 is the cladding refractive index. • It is assumed in that the light is incident on the fiber end face from air with a refractive index (n0) of unity. • numerical aperture thus defined represents only the local NA of ...
Silicon optical modulators - Optoelectronics Research Centre
... modulation. The Franz-Keldysh effect [12] and the quantum confined Stark effect (QCSE) are electric field induced changes in optical absorption..They are related, with the former being the limit of the latter as the quantum-well layers are made thicker. The QCSE has more spectrally abrupt and strong ...
... modulation. The Franz-Keldysh effect [12] and the quantum confined Stark effect (QCSE) are electric field induced changes in optical absorption..They are related, with the former being the limit of the latter as the quantum-well layers are made thicker. The QCSE has more spectrally abrupt and strong ...
Surplus Shed
... bulbs and it appears that the bulb used in the instrument was an expensive mercury or Xenon type with a special mount. We have no way to determine if the system works. However, it's loaded with expensive and valuable components and made in 2001.Model 1001001001 uses the Texas Instrument 1-Chip DLP ( ...
... bulbs and it appears that the bulb used in the instrument was an expensive mercury or Xenon type with a special mount. We have no way to determine if the system works. However, it's loaded with expensive and valuable components and made in 2001.Model 1001001001 uses the Texas Instrument 1-Chip DLP ( ...
Optical Fuzzy Logic for Low-Power Satellite
... Any fuzzy operators must satisfy the following requirements [16], for any a,b,d ∈ { x|x ∈ C,|x| ≤ 1}1: • Boundary Conditions : u(a,0)= a; ...
... Any fuzzy operators must satisfy the following requirements [16], for any a,b,d ∈ { x|x ∈ C,|x| ≤ 1}1: • Boundary Conditions : u(a,0)= a; ...
Document
... reference beams must be coherent to one another • (Not needed for phaseco: U and D emerge from same point in specimen and are automatically coherent) • Light from source must be split into 2 beams and reunite these in image ...
... reference beams must be coherent to one another • (Not needed for phaseco: U and D emerge from same point in specimen and are automatically coherent) • Light from source must be split into 2 beams and reunite these in image ...
TECHNICAL GUIDE
... with different optical properties (most notably refractive index), part of the light is reflected and part of the light is transmitted. The intensity ratio of the reflected and transmitted light is primarily a function of the change in refractive index between the two media, and the angle of inciden ...
... with different optical properties (most notably refractive index), part of the light is reflected and part of the light is transmitted. The intensity ratio of the reflected and transmitted light is primarily a function of the change in refractive index between the two media, and the angle of inciden ...
Measuring and Modelling Light Scattering in Paper
... is fixed. The sample is diffusely illuminated and the reflected light is measured at 0◦ , i.e. in a direction perpendicular to the surface of the sample. It has however been shown that the bulk reflectance from paper is anisotropic [2, 3], where the intensity of reflected light depends on both the a ...
... is fixed. The sample is diffusely illuminated and the reflected light is measured at 0◦ , i.e. in a direction perpendicular to the surface of the sample. It has however been shown that the bulk reflectance from paper is anisotropic [2, 3], where the intensity of reflected light depends on both the a ...
Flexure Mounts For High Resolution Optical Elements
... Should provide required compliance within length limitation Should have high dimensional stability for repeated use in time ...
... Should provide required compliance within length limitation Should have high dimensional stability for repeated use in time ...
Diffracting fractals: new paradigms in linear wave physics
... respectively). With that in mind, we now consider the knife-edge geometry [see Fig. 1(a)] and address nonuniform illumination considerations in the form of a Weierstrass fractal. Results are shown below in Fig. 4, where easy comparison can be made with the corresponding pattern from a uniform illumi ...
... respectively). With that in mind, we now consider the knife-edge geometry [see Fig. 1(a)] and address nonuniform illumination considerations in the form of a Weierstrass fractal. Results are shown below in Fig. 4, where easy comparison can be made with the corresponding pattern from a uniform illumi ...
A new approach for retrieving the UV–vis optical properties of
... radiation interactions (ERFari) encompasses attenuation of solar flux to the surface due to direct scattering and absorption and rapid adjustments of the atmospheric temperature profile (IPCC, 2013). The latter is caused by energy released as heat by light-absorbing aerosols that can influence cloud ...
... radiation interactions (ERFari) encompasses attenuation of solar flux to the surface due to direct scattering and absorption and rapid adjustments of the atmospheric temperature profile (IPCC, 2013). The latter is caused by energy released as heat by light-absorbing aerosols that can influence cloud ...
IC7010 (E)
... Intake flow visualization by light colour layer examinationworking Intake flow visualization by light colour layer examinationapplication, merits and demertis Principle and photographic measurement techniques-DGV ...
... Intake flow visualization by light colour layer examinationworking Intake flow visualization by light colour layer examinationapplication, merits and demertis Principle and photographic measurement techniques-DGV ...
Thunderbolt Controller
... February 24, 2011, using the same port and connector as Mini Display Port. Though initially registered with Apple Inc., full rights of the Thunderbolt technology trademark belong to Intel Corp., and subsequently led to the transfer of the registration. Thunderbolt essentially combines PCI Express an ...
... February 24, 2011, using the same port and connector as Mini Display Port. Though initially registered with Apple Inc., full rights of the Thunderbolt technology trademark belong to Intel Corp., and subsequently led to the transfer of the registration. Thunderbolt essentially combines PCI Express an ...
Sample Pages
... The fiber cladding is often surrounded by a polymer coating, which not only mechanically protects the fiber, but also causes high propagation losses for cladding modes. Any power in cladding modes may then quickly decay and will not get to the fiber end (except when the fiber is rather short). The l ...
... The fiber cladding is often surrounded by a polymer coating, which not only mechanically protects the fiber, but also causes high propagation losses for cladding modes. Any power in cladding modes may then quickly decay and will not get to the fiber end (except when the fiber is rather short). The l ...
Confocal optical microscopy
... This paper is about optical confocal microscopy, a subset of the extensive and well developed field of microscopy. I will speak briefly of microscopes, to fix the terminology and to illustrate the differences in the later sections, but I urge the reader not to treat this as a complete description of ...
... This paper is about optical confocal microscopy, a subset of the extensive and well developed field of microscopy. I will speak briefly of microscopes, to fix the terminology and to illustrate the differences in the later sections, but I urge the reader not to treat this as a complete description of ...
Enhancement of image quality and imaging depth with Airy light
... hundreds of genetically distinct cell types form unique connectivity patterns. The benefits of LSM have become apparent in systems neuroscience by providing researchers with the ability to extract anatomical-projection information (often spanning multiple brain areas) and activity patterns from mult ...
... hundreds of genetically distinct cell types form unique connectivity patterns. The benefits of LSM have become apparent in systems neuroscience by providing researchers with the ability to extract anatomical-projection information (often spanning multiple brain areas) and activity patterns from mult ...
Introduction to optical fibers
... the critical angle cr and returns to the core lossless and allows for light propagation along the fiber. The amount of light reflected at the interface changes depending on the incidence angle and the refraction indexes of the core and the cladding. Fig. 1.2. presents the idea of the light propagat ...
... the critical angle cr and returns to the core lossless and allows for light propagation along the fiber. The amount of light reflected at the interface changes depending on the incidence angle and the refraction indexes of the core and the cladding. Fig. 1.2. presents the idea of the light propagat ...