Polarization-dependent Goos-Hänchen shift at a graded dielectric
... 1.54 (EBADA) and 1.42 (TFPMA). This corresponds to a critical angle of 67.23◦ , which also applies for the graded interface. Collimated light from a superluminescent diode (λ = 677 nm, ∆λ = 9 nm) was incident on the sample in a θ − 2θ setup. This light was modulated continuously between s and p pola ...
... 1.54 (EBADA) and 1.42 (TFPMA). This corresponds to a critical angle of 67.23◦ , which also applies for the graded interface. Collimated light from a superluminescent diode (λ = 677 nm, ∆λ = 9 nm) was incident on the sample in a θ − 2θ setup. This light was modulated continuously between s and p pola ...
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High-precision, high-accuracy ultralong-range swept
... arm and objects were telecentrically scanned. The incident power on the sample was 1.9 mW. A Mach–Zehnder interferometer (MZI) generated a reference fringe signal for OCT signal recalibration [Figs. 1(B) and 1(C)]. The phase of the MZI fringe was extracted in postprocessing and linearized to enable ...
... arm and objects were telecentrically scanned. The incident power on the sample was 1.9 mW. A Mach–Zehnder interferometer (MZI) generated a reference fringe signal for OCT signal recalibration [Figs. 1(B) and 1(C)]. The phase of the MZI fringe was extracted in postprocessing and linearized to enable ...
Harnessing a Quantum Design Approach for Making Low
... wavelength, have shown impressive diffraction-beating image resolution, but they use materials with negative dielectric responses, and they absorb much of the light in a way that seriously degrades both the resolution and brightness of the image. Here we demonstrate an alternative “quantum metamateri ...
... wavelength, have shown impressive diffraction-beating image resolution, but they use materials with negative dielectric responses, and they absorb much of the light in a way that seriously degrades both the resolution and brightness of the image. Here we demonstrate an alternative “quantum metamateri ...
Modulation of Light
... the light propagating in the upper and lower arms of the structure. The phase shift induced in the lower arm of the interferometer depends on its refractive index, which itself depends on the applied external electric field through the electro-optic effect. If a time-dependent voltage V (t) is appli ...
... the light propagating in the upper and lower arms of the structure. The phase shift induced in the lower arm of the interferometer depends on its refractive index, which itself depends on the applied external electric field through the electro-optic effect. If a time-dependent voltage V (t) is appli ...
Biological specimen 3D morphology and refractive index separation
... Conventional light microscopes, recording only absorption characteristics of transparent biological specimens, are not able to quantify cellular shape and 3D morphology changes. On the other hand, classical contrast enhancing techniques including the widely used phase contrast microscopes (PhC) and/ ...
... Conventional light microscopes, recording only absorption characteristics of transparent biological specimens, are not able to quantify cellular shape and 3D morphology changes. On the other hand, classical contrast enhancing techniques including the widely used phase contrast microscopes (PhC) and/ ...
Applications of Refractometry in Battery State-of
... however it can be considered for use as a container or coating. As long as the index of the container is greater than the core or cladding it is essentially transparent and does not significantly interact with the properties of the sensor. Consider the configuration shown in Fig. 5 where we have imm ...
... however it can be considered for use as a container or coating. As long as the index of the container is greater than the core or cladding it is essentially transparent and does not significantly interact with the properties of the sensor. Consider the configuration shown in Fig. 5 where we have imm ...
Why Optical Images are Easier to Understand Than Radar Images
... High spatial resolution radars and optical cameras are two major kinds of sensors for civilian earth observation, and military applications. Their images are quite different from each other and radar images are usually much more difficult to understand [1–3]. This paper will discuss about this issue ...
... High spatial resolution radars and optical cameras are two major kinds of sensors for civilian earth observation, and military applications. Their images are quite different from each other and radar images are usually much more difficult to understand [1–3]. This paper will discuss about this issue ...
Calculation of image position, size and orientation using first order
... length, the image distance z' is approximately equal to the rear focal length. A positive thin lens in air is assumed (n = n' = 1): ...
... length, the image distance z' is approximately equal to the rear focal length. A positive thin lens in air is assumed (n = n' = 1): ...
Directional Reflection measurements on
... possible but large enough to make sure that in the Wmode the beam can pass this mirror on either side without vignetting. Typically this angle is 8 degrees and is determined by the position of the mirrors M1 and M3. These mirrors are mounted on the same block which can be shifted backward to get a “ ...
... possible but large enough to make sure that in the Wmode the beam can pass this mirror on either side without vignetting. Typically this angle is 8 degrees and is determined by the position of the mirrors M1 and M3. These mirrors are mounted on the same block which can be shifted backward to get a “ ...
Glass - Issaquah Connect
... The refractive index of a high boiling liquid, usually a silicone oil, changes with temperature This occurs in an apparatus called a hot stage which is attached to a microscope. Increasing the temperature allows the disappearance of the Becke line to be observed At match point, temperature is ...
... The refractive index of a high boiling liquid, usually a silicone oil, changes with temperature This occurs in an apparatus called a hot stage which is attached to a microscope. Increasing the temperature allows the disappearance of the Becke line to be observed At match point, temperature is ...
A New Analog Optical Processing Scheme for Solving NP
... Analog optical processing as a natural way to speed up solution of NP-hard problems. A natural way to speed up computations is based on the fact that computations do involve actually moving data from one location to another. To speed up computations, it is therefore reasonable to move data as fast a ...
... Analog optical processing as a natural way to speed up solution of NP-hard problems. A natural way to speed up computations is based on the fact that computations do involve actually moving data from one location to another. To speed up computations, it is therefore reasonable to move data as fast a ...
Design and investigation of properties of nanocrystalline diamond
... According the calculation mentioned above it was expected that the deposited NCD film having a thickness of 380 nm will support 2 TE modes at the wavelengths of 964 nm and shorter. At the longer wavelengths there would be noticeable one TE mode only. However, the measurement showed that the deposite ...
... According the calculation mentioned above it was expected that the deposited NCD film having a thickness of 380 nm will support 2 TE modes at the wavelengths of 964 nm and shorter. At the longer wavelengths there would be noticeable one TE mode only. However, the measurement showed that the deposite ...
Neutron reflection: Principles and examples of applications
... measurements. Over the past twenty years more accurate methods have been developed for measuring scattering lengths and neutron reflection has emerged as a powerful technique for investigating the inhomogeneities across the interface itself, inhomogeneities either in composition (Penfold and Thomas, ...
... measurements. Over the past twenty years more accurate methods have been developed for measuring scattering lengths and neutron reflection has emerged as a powerful technique for investigating the inhomogeneities across the interface itself, inhomogeneities either in composition (Penfold and Thomas, ...
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mm {0.84 M PASS
... wavelength within an optical spectrum which includes has associated therewith an appropriate optical ?lter. a wide range of both visible and infra-red wavelengths Speci?cally, the ?lter situated at the terminal which can be selected. For instance, AlxGa1_xAS (x=0 to receives long-wavelength optical ...
... wavelength within an optical spectrum which includes has associated therewith an appropriate optical ?lter. a wide range of both visible and infra-red wavelengths Speci?cally, the ?lter situated at the terminal which can be selected. For instance, AlxGa1_xAS (x=0 to receives long-wavelength optical ...
How does a confocal microscope work
... microscope. (Note that the red and blue rays in the picture are meant to distinguish the two sets of rays, but they aren't meant to be different wavelengths of light.) The image of the red point is not at the same location as the image of the blue point. (You may remember this from introductory opti ...
... microscope. (Note that the red and blue rays in the picture are meant to distinguish the two sets of rays, but they aren't meant to be different wavelengths of light.) The image of the red point is not at the same location as the image of the blue point. (You may remember this from introductory opti ...
LxxA, Overview of Microscopy methods, part a
... • Almost all modern electron microscopes use pole pieces for high resolving power and high magnification. • The function of such an electron lens is more or less the same as that of horse-shoe magnets symmetrically arranged about an axis. • Accordingly, all the parallel electron beams incident to t ...
... • Almost all modern electron microscopes use pole pieces for high resolving power and high magnification. • The function of such an electron lens is more or less the same as that of horse-shoe magnets symmetrically arranged about an axis. • Accordingly, all the parallel electron beams incident to t ...