Optical design of reflectionless complex media by
... Recently, the technique of transformation optics has emerged as a means of designing complex media that can bring about unprecedented control of electromagnetic fields. A transformation optical structure is designed by first applying a form-invariant coordinate transform to Maxwell’s equations, in w ...
... Recently, the technique of transformation optics has emerged as a means of designing complex media that can bring about unprecedented control of electromagnetic fields. A transformation optical structure is designed by first applying a form-invariant coordinate transform to Maxwell’s equations, in w ...
Simultaneous Negative Phase and Group Velocity of Light in a
... to the interfaces between air/metamaterial and metamaterial/substrate. Thus, the experiments must be accompanied by transmittance/ reflectance spectroscopy and by theory to ensure that these phase factors do not dominate over those due to propagation (see below). This interface aspect can generally ...
... to the interfaces between air/metamaterial and metamaterial/substrate. Thus, the experiments must be accompanied by transmittance/ reflectance spectroscopy and by theory to ensure that these phase factors do not dominate over those due to propagation (see below). This interface aspect can generally ...
Different Types of Dispersions in an Optical Fiber
... increased, the use of copper wires consistently got reduced due to many reasons such as low bandwidth, short transmission length and inefficiency. Optical Fiber is new medium, in which information (voice, Data or Video) is transmitted through a glass or plastic fiber, in the form of light. The field ...
... increased, the use of copper wires consistently got reduced due to many reasons such as low bandwidth, short transmission length and inefficiency. Optical Fiber is new medium, in which information (voice, Data or Video) is transmitted through a glass or plastic fiber, in the form of light. The field ...
O A
... When the applied forward voltage on the diode of the LED drives the electrons and holes into the active region between the n-type and p-type material, the energy can be converted into infrared or visible photons. This implies that the electron-hole pair drops into a more stable bound state, releasin ...
... When the applied forward voltage on the diode of the LED drives the electrons and holes into the active region between the n-type and p-type material, the energy can be converted into infrared or visible photons. This implies that the electron-hole pair drops into a more stable bound state, releasin ...
12. Infrared and Visible Waves
... An infrared thermometer enables the remote sensing of temperature. It does this by detecting the infrared radiation emitted by an object and converting it into a temperature. The eardrum is an accurate point for measuring the body’s temperature, because it is deep within the head. A digital ear ther ...
... An infrared thermometer enables the remote sensing of temperature. It does this by detecting the infrared radiation emitted by an object and converting it into a temperature. The eardrum is an accurate point for measuring the body’s temperature, because it is deep within the head. A digital ear ther ...
Two-Beam Interference Equation Interferometric optical testing is
... Plate beamsplitters are similar to cube beamsplitters in that they divide the amplitude of the incident light and can be made to split the light by polarization or by any desired ratio. One surface is usually AR coated, while the other has the coating to split the beam. Plate beamsplitters can be us ...
... Plate beamsplitters are similar to cube beamsplitters in that they divide the amplitude of the incident light and can be made to split the light by polarization or by any desired ratio. One surface is usually AR coated, while the other has the coating to split the beam. Plate beamsplitters can be us ...
Frequency splitter based on the directional
... confinement and guidance of electromagnetic energy, the diffraction limit also imposes serious constraints to the beaming properties of the structures, since as it is known from the basic diffraction law, energy exiting from a subwavelength aperture undergoes a strong angular spread to the whole 2π ...
... confinement and guidance of electromagnetic energy, the diffraction limit also imposes serious constraints to the beaming properties of the structures, since as it is known from the basic diffraction law, energy exiting from a subwavelength aperture undergoes a strong angular spread to the whole 2π ...
(III) Laser Detection of Wave Motion in Solids
... frequency. There are two primary techniques to pump a laser system: the laser medium is illuminated with an intense light source of a given pumping frequency (for example by a discharge tube) or an electrical discharge is passed through a gaseous medium. E2 Lasing L = (E2-E1)/h ...
... frequency. There are two primary techniques to pump a laser system: the laser medium is illuminated with an intense light source of a given pumping frequency (for example by a discharge tube) or an electrical discharge is passed through a gaseous medium. E2 Lasing L = (E2-E1)/h ...
5. Reflection, refraction and polarization
... Another way of imposing broadband polarization control is to use a device called a Pockels cell. This device is based on a birefringent crystal that is isotropic until a voltage is applied across it. When a voltage is applied across the crystal, a birefringence, that is difference in ne and no devel ...
... Another way of imposing broadband polarization control is to use a device called a Pockels cell. This device is based on a birefringent crystal that is isotropic until a voltage is applied across it. When a voltage is applied across the crystal, a birefringence, that is difference in ne and no devel ...
A method for characterizing longitudinal chromatic aberration of
... lies in the focal plane and correspondingly smaller signals are measured as the reflector is moved further away from the focal plane. This suggests the basis of our method. We measure the axial response as a plane reflector is scanned through focus as a function of wavelength. This will then permit ...
... lies in the focal plane and correspondingly smaller signals are measured as the reflector is moved further away from the focal plane. This suggests the basis of our method. We measure the axial response as a plane reflector is scanned through focus as a function of wavelength. This will then permit ...
infos on Underwater optics theory
... Water density has two main consequences: the first is due to the application of Archimedes Principle: the apparent weight of an apparatus immersed in water is equal to the weight of the apparatus in air less the weight of the volume of water that it displaces. For example, a housing with a volume of ...
... Water density has two main consequences: the first is due to the application of Archimedes Principle: the apparent weight of an apparatus immersed in water is equal to the weight of the apparatus in air less the weight of the volume of water that it displaces. For example, a housing with a volume of ...
Optical microscope - Frank`s Hospital Workshop
... eyepieces include 5x, 10x and 2x. In some high performance microscopes, the optical configuration of the objective lens and eyepiece are matched to give the best possible optical performance. This occurs most commonly with apochromatic objectives. • The objective lens - a cylinder containing one or ...
... eyepieces include 5x, 10x and 2x. In some high performance microscopes, the optical configuration of the objective lens and eyepiece are matched to give the best possible optical performance. This occurs most commonly with apochromatic objectives. • The objective lens - a cylinder containing one or ...
Get PDF - OSA Publishing
... measurement accuracy of our method. It is important that the focused beam travels completely through the glass to ensure the full thickness effect. This also avoids spherical aberrations or scattering at the back side, which might influence the observation by the 100x MO. ...
... measurement accuracy of our method. It is important that the focused beam travels completely through the glass to ensure the full thickness effect. This also avoids spherical aberrations or scattering at the back side, which might influence the observation by the 100x MO. ...
Microscope Project for Undergraduate Laboratories Abstract
... without detrimental effects on the stability of the system. The ability to use what is available without negative effects makes this laboratory easily duplicatable and adaptable. The light source was a white light emitting diode (LED) with a variable power supply. The variable power supply is a simp ...
... without detrimental effects on the stability of the system. The ability to use what is available without negative effects makes this laboratory easily duplicatable and adaptable. The light source was a white light emitting diode (LED) with a variable power supply. The variable power supply is a simp ...
Computer-generated holograms for three
... role. The remapping also eases the difficulty of creating object fields in wave-oriented methods. In this paper two techniques for synthesizing object fields in surface models are presented for creating 3-D images by use of computer-generated holograms. The first technique, based on the rotational t ...
... role. The remapping also eases the difficulty of creating object fields in wave-oriented methods. In this paper two techniques for synthesizing object fields in surface models are presented for creating 3-D images by use of computer-generated holograms. The first technique, based on the rotational t ...
Light scattering described in the mode picture
... refractive index) normally increases strongly toward longer spatial wavelengths.3 The description of the effect of a wave-front deformation by a single number such as the TIS or the scattering angle, above which the light is considered as being lost from the original mode, is a relatively poor one a ...
... refractive index) normally increases strongly toward longer spatial wavelengths.3 The description of the effect of a wave-front deformation by a single number such as the TIS or the scattering angle, above which the light is considered as being lost from the original mode, is a relatively poor one a ...
2 Theoretical Concepts
... • In paraxial approximation Gaussian modes are TEM modes, i.e., the E- and B-field have the same form and the longitudinal component of E and B vanishes. • If the paraxial approximation is not valid (e.g., under strong focusing with w0 being very small), then longitudinal components of E and B have ...
... • In paraxial approximation Gaussian modes are TEM modes, i.e., the E- and B-field have the same form and the longitudinal component of E and B vanishes. • If the paraxial approximation is not valid (e.g., under strong focusing with w0 being very small), then longitudinal components of E and B have ...
Analysis of the Spectral Resolution of a TeO2 based Noncollinear
... For a designed AOTF, the spectral resolution is a main index to be considered in the evaluation of its performance. In this letter, we have deduced an accurate expression to describe the spectral bandwidth by considering both the birefringence and the rotatory property of the interaction materials. ...
... For a designed AOTF, the spectral resolution is a main index to be considered in the evaluation of its performance. In this letter, we have deduced an accurate expression to describe the spectral bandwidth by considering both the birefringence and the rotatory property of the interaction materials. ...
