Aalborg Universitet Near-field electrospinning of dielectric-loaded surface plasmon polariton waveguides
... propagation along with long propagation length [12,13]. Linear dielectric nanostructures can also be fabricated by other techniques like e.g. near-field electrospinning (NFES), which has proven to be useful for writing linear nanostructures in well controlled patterns [14,15]. In this paper we will ...
... propagation along with long propagation length [12,13]. Linear dielectric nanostructures can also be fabricated by other techniques like e.g. near-field electrospinning (NFES), which has proven to be useful for writing linear nanostructures in well controlled patterns [14,15]. In this paper we will ...
Immersion microscopy based on photonic crystal materials
... Igor I. Smolyaninov,1 Jill Elliott2 , G. Wurtz2 , Anatoly V. Zayats,2 Christopher C. Davis1 ...
... Igor I. Smolyaninov,1 Jill Elliott2 , G. Wurtz2 , Anatoly V. Zayats,2 Christopher C. Davis1 ...
Confocal microscopy with a volume holographic filter
... with experiment automation, and to Chris Bardeen, Martin Gruebele, Steve Rogers, and Peter So for helpful discussions and comments on the manuscript. This work was funded by the U.S. Air Force Office of Scientific Research. The authors’ e-mail addresses are [email protected], [email protected], and dbra ...
... with experiment automation, and to Chris Bardeen, Martin Gruebele, Steve Rogers, and Peter So for helpful discussions and comments on the manuscript. This work was funded by the U.S. Air Force Office of Scientific Research. The authors’ e-mail addresses are [email protected], [email protected], and dbra ...
Minimized speckle noise in lens-less holographic projection by pixel
... price of inevitable speckle noise. The removal of speckle in laser projection is under intense investigation due to the high demand of the display industry for high quality lens-less imaging. Numerous methods have been proposed, involving moving parts [5], multi-mode dispersion [6] and purely electr ...
... price of inevitable speckle noise. The removal of speckle in laser projection is under intense investigation due to the high demand of the display industry for high quality lens-less imaging. Numerous methods have been proposed, involving moving parts [5], multi-mode dispersion [6] and purely electr ...
The effect of the fluorescence yield selection on the relative energy
... The air-fluorescence yield FY is a key parameter for the accurate measurement of the calorimetric energy of UHE cosmic-ray showers by means of fluorescence telescopes. In practice, the FY is determined by a set of parameters: the absolute number of fluorescence photons per unit deposited energy at a ...
... The air-fluorescence yield FY is a key parameter for the accurate measurement of the calorimetric energy of UHE cosmic-ray showers by means of fluorescence telescopes. In practice, the FY is determined by a set of parameters: the absolute number of fluorescence photons per unit deposited energy at a ...
[pdf]
... waves offers the possibility for functional imaging based on these spectroscopic contrasts. Thus image reconstruction has been explored intensely with varying degrees of success in tissue phantoms [11,12], the brain [13-18], and the breast [19-24]. One theoretical approach that has received signific ...
... waves offers the possibility for functional imaging based on these spectroscopic contrasts. Thus image reconstruction has been explored intensely with varying degrees of success in tissue phantoms [11,12], the brain [13-18], and the breast [19-24]. One theoretical approach that has received signific ...
BASIC THEORY OF PARTIAL COHERENCE
... In (19) the inner integral is characteristic of the instrumentonly, while the factors t({3) and t* (Il - (3) are determined solely from the object spectrum. However, (19) is not in the form of "object spectrum times transfer function equals image spectrum." The inner integral has been referred to as ...
... In (19) the inner integral is characteristic of the instrumentonly, while the factors t({3) and t* (Il - (3) are determined solely from the object spectrum. However, (19) is not in the form of "object spectrum times transfer function equals image spectrum." The inner integral has been referred to as ...
Subpixel Scatter in Digital Micromirror Devices
... Recently there has been interest in using multi-object spectrometers in applications beyond the field of astronomy.5 A feasibility study has been initiated at RIT to generate an end-to-end model of a vehicle tracking system and determine expected performance when using the RITMOS instrument. To achie ...
... Recently there has been interest in using multi-object spectrometers in applications beyond the field of astronomy.5 A feasibility study has been initiated at RIT to generate an end-to-end model of a vehicle tracking system and determine expected performance when using the RITMOS instrument. To achie ...
A Laser Module for 100Gbps Digital Coherent Optical Transmission System
... emitted from the front side (output side of the laser module) of the wavelength tunable LD passes through a lens where it is coupled to the optical fiber. The light emitted at the rear side (opposite side) enters the rear-side wavelength monitor. Based on the information detected by the monitor, the ...
... emitted from the front side (output side of the laser module) of the wavelength tunable LD passes through a lens where it is coupled to the optical fiber. The light emitted at the rear side (opposite side) enters the rear-side wavelength monitor. Based on the information detected by the monitor, the ...
Optical diffraction tomography for high resolution live cell imaging
... angular images ranging from -60 to 60 degrees in 10 seconds. The rotating-beam geometry was adopted to avoid perturbing specimens during data acquisition, and filtered backprojection along with an iterative constraint algorithm was used for 3D reconstruction. Recently, we also developed an algorithm ...
... angular images ranging from -60 to 60 degrees in 10 seconds. The rotating-beam geometry was adopted to avoid perturbing specimens during data acquisition, and filtered backprojection along with an iterative constraint algorithm was used for 3D reconstruction. Recently, we also developed an algorithm ...
Total 3D imaging of phase objects using defocusing microscopy
... the upper and lower surfaces of a phase object. We propose a new methodology using DM and apply it to red blood cells subject to different osmolality conditions: hypotonic, isotonic and hypertonic solutions. For each situation the shape of the upper and lower cell surface-membranes (lipid bilayer/cy ...
... the upper and lower surfaces of a phase object. We propose a new methodology using DM and apply it to red blood cells subject to different osmolality conditions: hypotonic, isotonic and hypertonic solutions. For each situation the shape of the upper and lower cell surface-membranes (lipid bilayer/cy ...
Word - WM Keck Observatory
... If the guiding algorithm does not account for this effect, it will tend to see larger centroid shifts than are really occurring. This in turn can cause the algorithm to “overguide,” telling the telescope to move larger amounts than are appropriate. The entire guiding system includes the latency in g ...
... If the guiding algorithm does not account for this effect, it will tend to see larger centroid shifts than are really occurring. This in turn can cause the algorithm to “overguide,” telling the telescope to move larger amounts than are appropriate. The entire guiding system includes the latency in g ...
Imaging scanning tunneling microscope
... T. Kume, N. Nakagawa, S. Hayashi, and K. Yamamoto, Solid State Commun. 93, 171 共1995兲. ...
... T. Kume, N. Nakagawa, S. Hayashi, and K. Yamamoto, Solid State Commun. 93, 171 共1995兲. ...
On the diffraction limit for lensless imaging
... where the notation is the same as in Eq. (8) but v and I a (M , V) P are replaced by their arithmetic means for each element of summation. Equation (10) was used to generate lists, accurate to six digits, of/(Av/V«) for consecutive upper limits A^ < 500 and increments 8v = 0.01M. These lists were us ...
... where the notation is the same as in Eq. (8) but v and I a (M , V) P are replaced by their arithmetic means for each element of summation. Equation (10) was used to generate lists, accurate to six digits, of/(Av/V«) for consecutive upper limits A^ < 500 and increments 8v = 0.01M. These lists were us ...
Automatic cell nuclei counting
... increasingly important field because of the high rate of production and the increasing reliance on these images by the biomedical community. Histology images have a large amount of objects of interest (cells, cell compartments such as nuclei…). The first goal of computer-based image analysis is to ...
... increasingly important field because of the high rate of production and the increasing reliance on these images by the biomedical community. Histology images have a large amount of objects of interest (cells, cell compartments such as nuclei…). The first goal of computer-based image analysis is to ...
reflection and planar mirrors
... This is what happens when we look at the light rays coming from a mirror: the diverging light rays that appear to be coming from the virtual image are focused by the eye’s lens to produce a real image on the back surface of the eye. This is the image we “see.” 3e. Description of Plane Mirror Images. ...
... This is what happens when we look at the light rays coming from a mirror: the diverging light rays that appear to be coming from the virtual image are focused by the eye’s lens to produce a real image on the back surface of the eye. This is the image we “see.” 3e. Description of Plane Mirror Images. ...
Using Symmetry to Find the Vertex of a Parabola – ID
... Determine how the y-coordinate of the given point in the screenshot changes with the given reflection. 1. Point is reflected over the y-axis. Original: ______ ...
... Determine how the y-coordinate of the given point in the screenshot changes with the given reflection. 1. Point is reflected over the y-axis. Original: ______ ...
A Green Laser Pointer Hazard
... where m = 0, ±1, ±2, etc. is an integer. The formula indicates that each wavelength will be scattered back in a discrete series of angles that match the integral values of m. The case m = 0 corresponds to simple back reflection. The two frames of Fig. 6 show images taken with digital (visible) and ...
... where m = 0, ±1, ±2, etc. is an integer. The formula indicates that each wavelength will be scattered back in a discrete series of angles that match the integral values of m. The case m = 0 corresponds to simple back reflection. The two frames of Fig. 6 show images taken with digital (visible) and ...
Light Field Microscopy - Stanford Computer Graphics Laboratory
... treated as orthographic. The second and third properties means that microscopes lack parallax-based depth cues. As a result, microscopists are excited when they see our perspective views and ability to shift the virtual viewpoint. The fifth property is essential to the functioning of 3D deconvolutio ...
... treated as orthographic. The second and third properties means that microscopes lack parallax-based depth cues. As a result, microscopists are excited when they see our perspective views and ability to shift the virtual viewpoint. The fifth property is essential to the functioning of 3D deconvolutio ...
Experimental studies of far-field superlens for sub-diffractional optical imaging
... exciting advancement in this direction. By designing a metamaterial lens with hyperbolic dispersion, a hyperlens is able to magnify a sub-diffraction-limited object into a diffractionlimited image which allows the far-field detection. The first optical hyerlens has been experimentally demonstrated m ...
... exciting advancement in this direction. By designing a metamaterial lens with hyperbolic dispersion, a hyperlens is able to magnify a sub-diffraction-limited object into a diffractionlimited image which allows the far-field detection. The first optical hyerlens has been experimentally demonstrated m ...
Optical microscopy laboratory practice 2012
... 4. Nose Piece: This connects the objective lens to the microscope body. With a turret, or rotating nose piece as many as five objectives can be attached to create different powers of magnification when rotated into position and used with the existing eyepiece. 5. Objective: The lens closest to the o ...
... 4. Nose Piece: This connects the objective lens to the microscope body. With a turret, or rotating nose piece as many as five objectives can be attached to create different powers of magnification when rotated into position and used with the existing eyepiece. 5. Objective: The lens closest to the o ...
Colorimeters
... absorb light for a variety of reasons. Pigments absorb light at different wavelengths. A cloudy solution will simply scatter/block the passage of light (sometimes a colorimeter is used to monitor the growth of a bacterial or yeast culture). The % transmission or the % absorbance is recorded (you c ...
... absorb light for a variety of reasons. Pigments absorb light at different wavelengths. A cloudy solution will simply scatter/block the passage of light (sometimes a colorimeter is used to monitor the growth of a bacterial or yeast culture). The % transmission or the % absorbance is recorded (you c ...
Natural object visualization by digital holography NATURAL
... great importance. Starting from a phyllotaxis geometry, which is the arrangement in many plants (the seeds of the sunflower, for example), we designed a diffractive element with different parameters [6]. In this paper, we study three natural samples (NS): dandelion parachute, bird feather and honey ...
... great importance. Starting from a phyllotaxis geometry, which is the arrangement in many plants (the seeds of the sunflower, for example), we designed a diffractive element with different parameters [6]. In this paper, we study three natural samples (NS): dandelion parachute, bird feather and honey ...
Resolution and Sampling Considerations
... sensor. An easy way to think about this is to remember your last visit to the eye doctor, reading a letter chart on the wall: the various lenses that the doctor puts between your eyes and the letter chart are the optical system, and your eyes are the sensor (which remains constant). As the doctor ch ...
... sensor. An easy way to think about this is to remember your last visit to the eye doctor, reading a letter chart on the wall: the various lenses that the doctor puts between your eyes and the letter chart are the optical system, and your eyes are the sensor (which remains constant). As the doctor ch ...