Lab 8: Polarization of Light
... retarder; linear polarization is thus converted to elliptical polarization due to the arbitrary phase shift. The phase difference depends on the incident wavelength, the refractive indices (along the two different directhey don’t reduce the intensity of the incident light tions) and the thickness of ...
... retarder; linear polarization is thus converted to elliptical polarization due to the arbitrary phase shift. The phase difference depends on the incident wavelength, the refractive indices (along the two different directhey don’t reduce the intensity of the incident light tions) and the thickness of ...
Report - Physics - University of Arkansas
... enforcement of a single direction of lasing, and the reduction to a single mode are all key aspects of an effective Ti:Sapphire laser cavity. In addition to standard continuous wave activity in the cavity, one of the more attractive aspects of the Ti:Sapphire laser is a very robust ability to be in ...
... enforcement of a single direction of lasing, and the reduction to a single mode are all key aspects of an effective Ti:Sapphire laser cavity. In addition to standard continuous wave activity in the cavity, one of the more attractive aspects of the Ti:Sapphire laser is a very robust ability to be in ...
Quantum theory of high-resolution length measurement with a Fabry
... It is assumed throughout that the cavity is excited through one of its mirrors by a beam of coherent light with a narrow spread of frequencies . It has been pointed out by Caves [6] that the length resolution of a Michelson interferometer can in principle be improved by the injection of squeezed vac ...
... It is assumed throughout that the cavity is excited through one of its mirrors by a beam of coherent light with a narrow spread of frequencies . It has been pointed out by Caves [6] that the length resolution of a Michelson interferometer can in principle be improved by the injection of squeezed vac ...
Old and new in exploring the anterior chamber angle
... anterior chamber angle structures and their configuration. However, the interpretation of gonioscopic findings is subjective and only semiquantitative. With the development of new imaging techniques of the anterior segment, new analysis methods have also emerged. Ultrabiomicroscopy was the first met ...
... anterior chamber angle structures and their configuration. However, the interpretation of gonioscopic findings is subjective and only semiquantitative. With the development of new imaging techniques of the anterior segment, new analysis methods have also emerged. Ultrabiomicroscopy was the first met ...
Longitudinal polarization periodicity of unpolarized light passing
... polarizations of the two waves are linear, but directed along different directions. The sum of such two waves produces a periodic variation of the polarization state across the transverse plane, with period Lo = 2π /(k| sin γoe |), in a similar way to that generated by a polarization grating [23, 24 ...
... polarizations of the two waves are linear, but directed along different directions. The sum of such two waves produces a periodic variation of the polarization state across the transverse plane, with period Lo = 2π /(k| sin γoe |), in a similar way to that generated by a polarization grating [23, 24 ...
PDF - Photonics Research Group
... sizes require minimized specific contact resistances to obtain high speed and low power consumption. Secondly, in a photonic membrane, which is typically below one micron thick, the guided optical modes can be very close to the metal contacts on top, thereby resulting in higher optical losses. Tradi ...
... sizes require minimized specific contact resistances to obtain high speed and low power consumption. Secondly, in a photonic membrane, which is typically below one micron thick, the guided optical modes can be very close to the metal contacts on top, thereby resulting in higher optical losses. Tradi ...
Holographic optics for a matched-filter optical
... not only of the hologram coordinate, but also of the coordinate u of the filter plane, that is, 01 is space variant. We will continue this derivation with the simplification that 01 is space invariant; a justification for this simplification will be given later. A further simplification is that the ...
... not only of the hologram coordinate, but also of the coordinate u of the filter plane, that is, 01 is space variant. We will continue this derivation with the simplification that 01 is space invariant; a justification for this simplification will be given later. A further simplification is that the ...
Advance Program Sunday, October 12, 2014 Sunday Session
... The spatial and temporal coherence of optical fields are basic properties that have been successfully exploited in biomedical optics. I will discuss our biomedical use of optical coherence tomography and our work in the targeted design of desirable spatial coherence properties in light sources. MA2. ...
... The spatial and temporal coherence of optical fields are basic properties that have been successfully exploited in biomedical optics. I will discuss our biomedical use of optical coherence tomography and our work in the targeted design of desirable spatial coherence properties in light sources. MA2. ...
Wide Field Of View Varifocal Near-Eye Display Using See
... and Javidi [13] demonstrate a NED for AR applications that combines recent advancements of free-form relay optics with a computational integral imaging methodology, achieving 15◦ of diagonal FOV with a maximum image resolution of 640 × 360 px, leading to 10 − 20 cpd. Although rendering of images is ...
... and Javidi [13] demonstrate a NED for AR applications that combines recent advancements of free-form relay optics with a computational integral imaging methodology, achieving 15◦ of diagonal FOV with a maximum image resolution of 640 × 360 px, leading to 10 − 20 cpd. Although rendering of images is ...
Strong Dispersive and Nonlinear Optical Properties of
... where ∆ω is the pulse half-bandwidth. Fractional group delays greater than unity can be obtained by use of more resonators. However, dispersive effects accumulate and eventually severely distort pulses. For a desired net fractional delay, these phase errors might be reduced by relaxing the fractional ...
... where ∆ω is the pulse half-bandwidth. Fractional group delays greater than unity can be obtained by use of more resonators. However, dispersive effects accumulate and eventually severely distort pulses. For a desired net fractional delay, these phase errors might be reduced by relaxing the fractional ...
Evaluation of the scintillation loss for optical
... the function g0 and more precisely on the ratio g0共具P典p兲 / g0共具P典兲. The loss ᐉsc should then be found numerically. Assuming the common OOK modulation, the equivalent of the g0 function has been expressed in several publications 共See, for example, Refs. 2, 3, and 8, and Sec. 7.5.1 of Ref. 1兲. The rec ...
... the function g0 and more precisely on the ratio g0共具P典p兲 / g0共具P典兲. The loss ᐉsc should then be found numerically. Assuming the common OOK modulation, the equivalent of the g0 function has been expressed in several publications 共See, for example, Refs. 2, 3, and 8, and Sec. 7.5.1 of Ref. 1兲. The rec ...
use of compound microscope
... its actual size. Resolving power or resolution is the smallest distance between two point-like objects which can just be recognized as separate. It is achieved if the visual angle between the object details themselves, or in their magnified image, is large enough so that light rays from either point ...
... its actual size. Resolving power or resolution is the smallest distance between two point-like objects which can just be recognized as separate. It is achieved if the visual angle between the object details themselves, or in their magnified image, is large enough so that light rays from either point ...
GPS General Particle Source
... In the GLISUR model this is indicated by the value of polish; when it is <1, then a random point is generated in a sphere of radius (1-polish), and the corresponding vector is added to the normal. The value 0 means maximum roughness with effective plane of reflection distributed as cos(a). ...
... In the GLISUR model this is indicated by the value of polish; when it is <1, then a random point is generated in a sphere of radius (1-polish), and the corresponding vector is added to the normal. The value 0 means maximum roughness with effective plane of reflection distributed as cos(a). ...
![[PDF]](http://s1.studyres.com/store/data/008793284_1-d57cd3dd5a99d73ea726d81e89f3f368-300x300.png)
[PDF]
... The multimode interference effect based devices have the advantages of low lost, compactness and cost-effective solutions. The realization of optical couplers and power taps based on 2x2 multimode interference (MMI) structures has been given in the literature [6]. However, these proposed devices req ...
... The multimode interference effect based devices have the advantages of low lost, compactness and cost-effective solutions. The realization of optical couplers and power taps based on 2x2 multimode interference (MMI) structures has been given in the literature [6]. However, these proposed devices req ...
Liquid-crystal photonic applications
... that, it is necessary to perform switching with an electrooptic element with a certain speed and a minimum of cross talk. A very simple design for an N ×N switch (i.e. with N inputs and N outputs) is shown in Fig. 6. Light from two input fibers goes to a matrix of 2×2 LC shutters by means of 50/50 s ...
... that, it is necessary to perform switching with an electrooptic element with a certain speed and a minimum of cross talk. A very simple design for an N ×N switch (i.e. with N inputs and N outputs) is shown in Fig. 6. Light from two input fibers goes to a matrix of 2×2 LC shutters by means of 50/50 s ...
High spatial resolution performance of a triple Fabry–Pérot filtergraph
... within the channeled spectrum. Several filtergraphs using FPIs have been recently constructed for solar observations (Bonaccini et al. 1989; Bendlin et al. 1992; Cavallini 1998; Kentischer et al. 1998). The spectral passband of an FPI varies with the angle of incidence of a plane wave which transver ...
... within the channeled spectrum. Several filtergraphs using FPIs have been recently constructed for solar observations (Bonaccini et al. 1989; Bendlin et al. 1992; Cavallini 1998; Kentischer et al. 1998). The spectral passband of an FPI varies with the angle of incidence of a plane wave which transver ...
Performance of synchronous optical receivers using atmospheric
... wavefront compensation. The effects ascribed to turbulence are random and subsequently must be described in a statistical sense. Early works quantified turbulence-induced fading through its mean and variance [1,2], although these are not adequate to fully characterize system performance. Later analy ...
... wavefront compensation. The effects ascribed to turbulence are random and subsequently must be described in a statistical sense. Early works quantified turbulence-induced fading through its mean and variance [1,2], although these are not adequate to fully characterize system performance. Later analy ...
ID_4419_Biophys- Laser- Oft (c-4)
... does not requires continuous replacement of a hot gas. Cannot be used for material processing, or surgery. None of the answers is correct Those are lasers in which a population inversion is created between the excited vibrational- rotational levels of heteronuclear molecules by adiabatic expansion, ...
... does not requires continuous replacement of a hot gas. Cannot be used for material processing, or surgery. None of the answers is correct Those are lasers in which a population inversion is created between the excited vibrational- rotational levels of heteronuclear molecules by adiabatic expansion, ...
Phys. Rev. Lett. 87, 160405
... to its final strength within 40 ms and then the atoms are held for a variable period of time in the lattice potential. Subsequently, the lattice potential is ramped down within 40 ms and the remaining number of condensed atoms is measured using absorption imaging after a ballistic expansion. The slo ...
... to its final strength within 40 ms and then the atoms are held for a variable period of time in the lattice potential. Subsequently, the lattice potential is ramped down within 40 ms and the remaining number of condensed atoms is measured using absorption imaging after a ballistic expansion. The slo ...
Chapter 36 . Optical Properties of Semiconductors
... increased the need for optical characterization techniques for materials analysis and in-situ monitoring / control applications. Optical measurements have many unique and attractive features for studying and characterizing semiconductor properties: (1) They are contactless, nondestructive, and compa ...
... increased the need for optical characterization techniques for materials analysis and in-situ monitoring / control applications. Optical measurements have many unique and attractive features for studying and characterizing semiconductor properties: (1) They are contactless, nondestructive, and compa ...
PDF Edition - Review of Ophthalmology
... The new SL-D701 Slit Lamp from Topcon features a bright and homogenous LED Illumination source for Circle No. 10 enhanced observation of the eye structures. With its optional DC-4 Digital Photo Attachment, the SL-D701 can obtain clear and sharp still images of the eye as well as vivid color videos w ...
... The new SL-D701 Slit Lamp from Topcon features a bright and homogenous LED Illumination source for Circle No. 10 enhanced observation of the eye structures. With its optional DC-4 Digital Photo Attachment, the SL-D701 can obtain clear and sharp still images of the eye as well as vivid color videos w ...
PDF only
... defined by the CW laser and the frequency spacing fixed by the oscillator frequency. Note that the name opto-electronic comb generator is coined here because in principle any type of modulator could be used for this task. When implemented by electro-optic modulators (as is usually the case), it may ...
... defined by the CW laser and the frequency spacing fixed by the oscillator frequency. Note that the name opto-electronic comb generator is coined here because in principle any type of modulator could be used for this task. When implemented by electro-optic modulators (as is usually the case), it may ...
AN INVESTIGATION INTO THE APPLICATION OF LIGHT SOURCES IN THE
... The research part of this dissertation starts with an overview of the anatomy and geometry of the human eye (Chapter 2). It is followed by a description of glaucoma and the treatment of the disease (Chapter 3). Chapters 2 and 3 are included to enable the reader with limited knowledge of ophthalmolog ...
... The research part of this dissertation starts with an overview of the anatomy and geometry of the human eye (Chapter 2). It is followed by a description of glaucoma and the treatment of the disease (Chapter 3). Chapters 2 and 3 are included to enable the reader with limited knowledge of ophthalmolog ...
Normal-Incidence Photoemission Electron Microscopy (NI
... points for θ=0° and θ=74° were obtained with the LEEM setup (blue squares). The data for θ=4° and θ=65° was obtained with the PEEM setup (red triangles). The marked data points in Fig. 3 arise from an analysis of the various excitation edges of the Ag islands in Fig. 2. Apparently, the Moiré concept ...
... points for θ=0° and θ=74° were obtained with the LEEM setup (blue squares). The data for θ=4° and θ=65° was obtained with the PEEM setup (red triangles). The marked data points in Fig. 3 arise from an analysis of the various excitation edges of the Ag islands in Fig. 2. Apparently, the Moiré concept ...
Theory and Practice of Scanning Optical Microscopy - X
... The exponential term on the left-hand side of equation (2.9) shows that a Fourier transform relationship between the original and diffracted field is satisfied on a spherical surface (to the paraxial approximation) centred on the axial point of the Xl' Yl plane. We shall now give three examples of F ...
... The exponential term on the left-hand side of equation (2.9) shows that a Fourier transform relationship between the original and diffracted field is satisfied on a spherical surface (to the paraxial approximation) centred on the axial point of the Xl' Yl plane. We shall now give three examples of F ...
Optical coherence tomography
Optical coherence tomography (OCT) is an established medical imaging technique that uses light to capture micrometer-resolution, three-dimensional images from within optical scattering media (e.g., biological tissue). Optical coherence tomography is based on low-coherence interferometry, typically employing near-infrared light. The use of relatively long wavelength light allows it to penetrate into the scattering medium. Confocal microscopy, another optical technique, typically penetrates less deeply into the sample but with higher resolution.Depending on the properties of the light source (superluminescent diodes, ultrashort pulsed lasers, and supercontinuum lasers have been employed), optical coherence tomography has achieved sub- micrometer resolution (with very wide-spectrum sources emitting over a ~100 nm wavelength range).Optical coherence tomography is one of a class of optical tomographic techniques. A relatively recent implementation of optical coherence tomography, frequency-domain optical coherence tomography, provides advantages in signal-to-noise ratio, permitting faster signal acquisition. Commercially available optical coherence tomography systems are employed in diverse applications, including art conservation and diagnostic medicine, notably in ophthalmology and optometry where it can be used to obtain detailed images from within the retina. Recently it has also begun to be used in interventional cardiology to help diagnose coronary artery disease. It has also shown promise in dermatology to improve the diagnostic process.