A high-resolution magnetic tweezer for single
... profiles from diffraction to those from RICM for two bead heights, corresponding to the open and closed state of the DNA hairpin S20T8 (Figure 4b and c). For the same change in bead height, the RICM fringes varied much more than the diffraction fringes, indicating the intrinsically higher sensitivity o ...
... profiles from diffraction to those from RICM for two bead heights, corresponding to the open and closed state of the DNA hairpin S20T8 (Figure 4b and c). For the same change in bead height, the RICM fringes varied much more than the diffraction fringes, indicating the intrinsically higher sensitivity o ...
Optical Time Domain Reflectometry (OTDR)
... for optical fibers [3,4]. OTDR is extensively used in telecommunications to check the integrity of fiber links and to locate possible defects. OTDR exploits the Rayleigh scattering naturally taking place in the core of optical fibers. As the light propagates down a fiber, small material imperfection ...
... for optical fibers [3,4]. OTDR is extensively used in telecommunications to check the integrity of fiber links and to locate possible defects. OTDR exploits the Rayleigh scattering naturally taking place in the core of optical fibers. As the light propagates down a fiber, small material imperfection ...
design and analysis of variable gain amplifier with
... role to the next generation of high-speed networks. When the number of WDM channels transmitted through a network varies due to network reconfiguration or channel failure, number of channel increment or decrement, it is depend on the channel will tend to perturb signals at the surviving channels tha ...
... role to the next generation of high-speed networks. When the number of WDM channels transmitted through a network varies due to network reconfiguration or channel failure, number of channel increment or decrement, it is depend on the channel will tend to perturb signals at the surviving channels tha ...
Elastic stretchable optical fibers
... The utilization of soft materials in the design of optical systems provides opportunities for imparting these optical systems with completely unprecedented properties. This will enhance performance of systems, such as optical fibers, and enable new application scenarios. Here, we report the design, ...
... The utilization of soft materials in the design of optical systems provides opportunities for imparting these optical systems with completely unprecedented properties. This will enhance performance of systems, such as optical fibers, and enable new application scenarios. Here, we report the design, ...
Optical field profile evaluation on silica high Optical field profile
... optical field of NFP of FEM and NFP converted from FFP are appared the difference in vicinity of boundary of core and clad of silicon waveguide (x = ±1.0µm). The optical field of NFP, resulting from the conversion of FFP correspond closely with the optical field of NFP simulated using FEM. The diffe ...
... optical field of NFP of FEM and NFP converted from FFP are appared the difference in vicinity of boundary of core and clad of silicon waveguide (x = ±1.0µm). The optical field of NFP, resulting from the conversion of FFP correspond closely with the optical field of NFP simulated using FEM. The diffe ...
Handbook of Optical Filters
... on the polarization state of the light. (Polaroid ® plastic film polarizer is the most common example.) To avoid confusion, the term “dichromatic” is sometimes used. ...
... on the polarization state of the light. (Polaroid ® plastic film polarizer is the most common example.) To avoid confusion, the term “dichromatic” is sometimes used. ...
Laser Medicine and Medical Imaging – J. G. Fujimoto
... OCT applications have been limited to the surfaces or lumina of organ systems because the penetration depth of OCT is ~2-3 mm in most tissues. It has not been possible in the past to image structures inside solid tissues or organs. There are, however, many clinical scenarios where high resolution im ...
... OCT applications have been limited to the surfaces or lumina of organ systems because the penetration depth of OCT is ~2-3 mm in most tissues. It has not been possible in the past to image structures inside solid tissues or organs. There are, however, many clinical scenarios where high resolution im ...
High-Power Diode Lasers under External Optical Feedback
... ends, from fiber combiners as well as by radiation from other sources for instance in multi-module configurations. Within the last few years, unintentional external feedback has become an important issue in many high-power diode laser applications. It modifies the laser parameters in many ways, e.g. ...
... ends, from fiber combiners as well as by radiation from other sources for instance in multi-module configurations. Within the last few years, unintentional external feedback has become an important issue in many high-power diode laser applications. It modifies the laser parameters in many ways, e.g. ...
Mid Infrared digital holography and Terahertz imaging
... by reducing the hologram aperture [47]. Real objects never act as ideal reflectors and thus, in practice, one can always think of being in a case, more or less marked, of scattering object; what changes is just the percentage of scattered radiation that ends up in the recording device. The object be ...
... by reducing the hologram aperture [47]. Real objects never act as ideal reflectors and thus, in practice, one can always think of being in a case, more or less marked, of scattering object; what changes is just the percentage of scattered radiation that ends up in the recording device. The object be ...
Recent advances in diffuse optical imaging
... away from the pursuit of high (∼ mm) spatial resolution and towards functional imaging. It is widely appreciated that diffuse optical imaging can never compete in terms of spatial resolution with anatomical imaging techniques (e.g. x-radiography, ultrasound and magnetic resonance imaging (MRI)), but ...
... away from the pursuit of high (∼ mm) spatial resolution and towards functional imaging. It is widely appreciated that diffuse optical imaging can never compete in terms of spatial resolution with anatomical imaging techniques (e.g. x-radiography, ultrasound and magnetic resonance imaging (MRI)), but ...
Green's function formulation for third-harmonic generation microscopy
... perpendicular or parallel to the optical axis. Interestingly, the THG signal is dependent on the polarization direction of the excitation beams. The signal from an interface parallel to the polarization of the excitation field along the x axis (case B) is slightly larger than that from an interface ...
... perpendicular or parallel to the optical axis. Interestingly, the THG signal is dependent on the polarization direction of the excitation beams. The signal from an interface parallel to the polarization of the excitation field along the x axis (case B) is slightly larger than that from an interface ...
Focal shift of silicon microlen array in mid
... of MLAs along optical axis, by doing this we set the front focal plane of objective at the surface of the silicon MLAs. This focal plane can be confirmed when a clear image of the surface structure, i.e., the concentric circles making up the array were observed by the camera. As is known, it is diff ...
... of MLAs along optical axis, by doing this we set the front focal plane of objective at the surface of the silicon MLAs. This focal plane can be confirmed when a clear image of the surface structure, i.e., the concentric circles making up the array were observed by the camera. As is known, it is diff ...
A Low Cost Optical Coherence Tomography Machine
... Optical Coherence Tomography (OCT) is an emerging non-invasive imaging technique with state of the art designs reaching sub micrometer resolutions (1). While technology is beginning to become widely accepted and used in the developed world, it is out of reach for many third-world countries because i ...
... Optical Coherence Tomography (OCT) is an emerging non-invasive imaging technique with state of the art designs reaching sub micrometer resolutions (1). While technology is beginning to become widely accepted and used in the developed world, it is out of reach for many third-world countries because i ...
genius PHYSICS by Pradeep Kshetrapal Newtons corpuscular
... waves emitted by them does not remain constant w.r.t. time are called non-coherent. The light emitted by two independent sources (candles, bulbs etc.) is non-coherent and interference phenomenon cannot be produced by such two sources. The average time interval in which a photon or a wave packet ...
... waves emitted by them does not remain constant w.r.t. time are called non-coherent. The light emitted by two independent sources (candles, bulbs etc.) is non-coherent and interference phenomenon cannot be produced by such two sources. The average time interval in which a photon or a wave packet ...
Reflection optimisation of the SPR-graphene
... must be taken in order to give a high sensitivity enhancement and a high detection accuracy. In Fig. 5(a), the sensitivity enhancement as a function of the number of graphene layers L after the absorption of biomolecules is plotted, assuming the same refractive index change Δn = 0.005.It is found th ...
... must be taken in order to give a high sensitivity enhancement and a high detection accuracy. In Fig. 5(a), the sensitivity enhancement as a function of the number of graphene layers L after the absorption of biomolecules is plotted, assuming the same refractive index change Δn = 0.005.It is found th ...
Polarization light curves and position angle variation of beamed
... discuss how the coherence length of the magnetic field generated at the external shock front of a gamma-ray burst fireball grows with time. If, however, the magnetic field is generated at the collisionless shock front, which is extremely local, it is not clear why the magnetic field embedded in the ...
... discuss how the coherence length of the magnetic field generated at the external shock front of a gamma-ray burst fireball grows with time. If, however, the magnetic field is generated at the collisionless shock front, which is extremely local, it is not clear why the magnetic field embedded in the ...
Research paper : FIBER OPTIC CABLES FOR
... optical instruments rely on multiple sources and detectors. One method of overcoming many of these constraints is to re-locate the sources and detectors to preferred locations on the spacecraft. The launch and collection optics must remain in location to direct and collect the light to and from the ...
... optical instruments rely on multiple sources and detectors. One method of overcoming many of these constraints is to re-locate the sources and detectors to preferred locations on the spacecraft. The launch and collection optics must remain in location to direct and collect the light to and from the ...
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... recorded in the thin InSe flakes, which supports the physical origin of each one of the P1–P6 components discussed in the main text. (ii) The -PL spectra obtained in terraces with similar thickness can be deconvoluted into P1–P6 components whose relative intensities appear to differ from flake to f ...
... recorded in the thin InSe flakes, which supports the physical origin of each one of the P1–P6 components discussed in the main text. (ii) The -PL spectra obtained in terraces with similar thickness can be deconvoluted into P1–P6 components whose relative intensities appear to differ from flake to f ...
Holographic 3-D Displays - Electro-holography within
... Holography was invented by Dennis Gabor in 1947 (Gabor, 1948), but high-quality holograms could only be made on photographic film, which for technical reasons preclude animation. By this classic holography, the 3-D scene information is encoded in the entire hologram, i.e. every tiny region or pixel ...
... Holography was invented by Dennis Gabor in 1947 (Gabor, 1948), but high-quality holograms could only be made on photographic film, which for technical reasons preclude animation. By this classic holography, the 3-D scene information is encoded in the entire hologram, i.e. every tiny region or pixel ...
Aperture interference and the volumetric resolution of light field
... Insights In this paper, we sought to understand and improve upon the diffraction-limited resolution limits of fluorescence LFM. Our core contributions are: • We describe the diffraction-based resolution limits of conventional LFM and analyze the resolution of alternative spatio-angular sampling stra ...
... Insights In this paper, we sought to understand and improve upon the diffraction-limited resolution limits of fluorescence LFM. Our core contributions are: • We describe the diffraction-based resolution limits of conventional LFM and analyze the resolution of alternative spatio-angular sampling stra ...
Light beams with fractional orbital angular
... Here, Φ(x, y)beam is the phase profile of the superposition at the beam waist for z = 0 and Φ(x, Λ)grating is the phase profile of the blazed grating which depends on the period of the grating Λ. The two phase distributions are added modulo 2π and, after subtraction of π , multiplied by an intensity ...
... Here, Φ(x, y)beam is the phase profile of the superposition at the beam waist for z = 0 and Φ(x, Λ)grating is the phase profile of the blazed grating which depends on the period of the grating Λ. The two phase distributions are added modulo 2π and, after subtraction of π , multiplied by an intensity ...
diffraction uniformly illuminated circular aperture
... effectively plane. This occurs when the distance from the source to the aperture is large so that the aperture is assumed to be uniformly illuminated and the distance from the aperture plane to the observation plane is also large. This means that the curvatures of the incident wave and diffracted wa ...
... effectively plane. This occurs when the distance from the source to the aperture is large so that the aperture is assumed to be uniformly illuminated and the distance from the aperture plane to the observation plane is also large. This means that the curvatures of the incident wave and diffracted wa ...
Get PDF - OSA Publishing
... At the start of this millennium, the principles of structured illumination microscopy (SIM) had been established and the concept of resolution doubling demonstrated experimentally in two dimensions. Breathtaking advances have since taken place, making SIM one of the most powerful and versatile super ...
... At the start of this millennium, the principles of structured illumination microscopy (SIM) had been established and the concept of resolution doubling demonstrated experimentally in two dimensions. Breathtaking advances have since taken place, making SIM one of the most powerful and versatile super ...