Experimental Investigation of Photonic Mixer Device and
... With the rapid development of the technology nowadays, different types of solid-state imaging sensors, such as CCD (Charged Coupled Device) and CMOS cameras [Boy][Fos][Vie], satisfying requirements in different applications, have been developed. It is obvious that although the imaging sensors can of ...
... With the rapid development of the technology nowadays, different types of solid-state imaging sensors, such as CCD (Charged Coupled Device) and CMOS cameras [Boy][Fos][Vie], satisfying requirements in different applications, have been developed. It is obvious that although the imaging sensors can of ...
Untitled
... a variety of applications including dispersion compensations and spectral gain control (used in optics communications). In terms of fiber optic sensor applications, in-fiber gratings not only have a very high sensitivity but also provide distributed sensing capability due to the easy implementation of ...
... a variety of applications including dispersion compensations and spectral gain control (used in optics communications). In terms of fiber optic sensor applications, in-fiber gratings not only have a very high sensitivity but also provide distributed sensing capability due to the easy implementation of ...
Scanning angle total internal reflection Raman spectroscopy and
... and can be calculated using Eq.1.8 and the complex refractive index of the metal (Figure 5a). The magnitude of the minimum correlates to the metal film thickness and mass changes at the interface. The angle of the minima, referred to as the SPR angle, depends on the refractive index within the sensi ...
... and can be calculated using Eq.1.8 and the complex refractive index of the metal (Figure 5a). The magnitude of the minimum correlates to the metal film thickness and mass changes at the interface. The angle of the minima, referred to as the SPR angle, depends on the refractive index within the sensi ...
SPECTROSCOPIC STUDIES OF SYNTHETIC AND
... length/truncated edge length). Details of the experimental procedures and set up are given in Deon et al. (2008). As starting material, we used either oxide mixtures (FeO, MgO and SiO2) or synthetic fayalite, or a mixture of fayalite and oxides (MgO, SiO2). To produce different oxygen fugacities, ex ...
... length/truncated edge length). Details of the experimental procedures and set up are given in Deon et al. (2008). As starting material, we used either oxide mixtures (FeO, MgO and SiO2) or synthetic fayalite, or a mixture of fayalite and oxides (MgO, SiO2). To produce different oxygen fugacities, ex ...
THE NEMATIC { SMECTIC-A PHASE TRANSITION: A HIGH
... superconductors and the nematic{smectic-A (NA) transition. This e ect is immeasurably small in superconductors at the NA transition it is weak but detectable. In this thesis, I explore the HLM e ect at the NA transition experimentally. Because of the anisotropy of the nematic phase and the importan ...
... superconductors and the nematic{smectic-A (NA) transition. This e ect is immeasurably small in superconductors at the NA transition it is weak but detectable. In this thesis, I explore the HLM e ect at the NA transition experimentally. Because of the anisotropy of the nematic phase and the importan ...
Ozone imaging and detection using photofragmentation laser
... is designated X and the excited states are called A, B, C etc. The vibrational energy levels in the ground state are designated v 00 , while in the excited states the energy levels are denoted v 0 . The states could be bound or repulsive, which is shown in figure 2.1. Excitation to a repulsive state ...
... is designated X and the excited states are called A, B, C etc. The vibrational energy levels in the ground state are designated v 00 , while in the excited states the energy levels are denoted v 0 . The states could be bound or repulsive, which is shown in figure 2.1. Excitation to a repulsive state ...
Preparation of highly visible-light active N
... decoloration under visible light. Based on the results of the present study, a visible light induced photocatalytic mechanism has been proposed for N-doped anatase TiO2. ...
... decoloration under visible light. Based on the results of the present study, a visible light induced photocatalytic mechanism has been proposed for N-doped anatase TiO2. ...
The Michelson Interferometer Wavelength Meter
... Wavelength Meters in Multiple Signal Environments The temporal frequency is obtained by multiplying by the speed of light in the medium The Fourier-transform operation on the interferogram allows the wavelength of the signals to be separated and measured individually – i.e. each of the input signal ...
... Wavelength Meters in Multiple Signal Environments The temporal frequency is obtained by multiplying by the speed of light in the medium The Fourier-transform operation on the interferogram allows the wavelength of the signals to be separated and measured individually – i.e. each of the input signal ...
sensors Chemical Sensing Using Fiber Cavity Ring-Down Spectroscopy
... volumes of tens to hundreds of milliliters. Measurements on liquid samples require either filling the entire cavity with liquid [7,8] or placing the sample into a part of the optical cavity, e.g., contained by a cuvette [9-12], or in a free flowing liquid sheet [13,14]. In the latter experiments the ...
... volumes of tens to hundreds of milliliters. Measurements on liquid samples require either filling the entire cavity with liquid [7,8] or placing the sample into a part of the optical cavity, e.g., contained by a cuvette [9-12], or in a free flowing liquid sheet [13,14]. In the latter experiments the ...
Bimodal waveguide interferometer device based high sensitive biosensing
... Main types of biofunctionalization processes; physical, covalent, and bioaffinity immobilization. . . . . . . . . . . . . . . . . . . . Refraction of light at the interface between two media of different refractive index, with n2 n1 . . . . . . . . . . . . . . . . . . . . . . Basic waveguides geomet ...
... Main types of biofunctionalization processes; physical, covalent, and bioaffinity immobilization. . . . . . . . . . . . . . . . . . . . Refraction of light at the interface between two media of different refractive index, with n2 n1 . . . . . . . . . . . . . . . . . . . . . . Basic waveguides geomet ...
Graphene Plasmonic Metasurfaces to Steer Infrared Light www.nature.com/scientificreports Zubin Li
... dielectric constant and thickness of the dielectric layer, critical coupling condition can be satisfied even when the thickness s of the dielectric spacing layer is smaller than the wavelength. Consequently, we can achieve strong and even perfect absorption with monolayer graphene structures as theo ...
... dielectric constant and thickness of the dielectric layer, critical coupling condition can be satisfied even when the thickness s of the dielectric spacing layer is smaller than the wavelength. Consequently, we can achieve strong and even perfect absorption with monolayer graphene structures as theo ...
Fibre-Loop Ring-Down Spectroscopy Using Liquid Core Waveguides
... Cavity ring-down spectroscopy has been used over the last twenty years as a highly sensitive absorption spectroscopic technique to measure light attenuation in gases, liquids, and solid samples. An optical cavity is used as a multi-pass cell, and the decay time of the light intensity in the cavity i ...
... Cavity ring-down spectroscopy has been used over the last twenty years as a highly sensitive absorption spectroscopic technique to measure light attenuation in gases, liquids, and solid samples. An optical cavity is used as a multi-pass cell, and the decay time of the light intensity in the cavity i ...
Multidimensional Vibrational Spectroscopy of Hydrogen Bonds in
... donor forms a covalent bond with the hydrogen atom whereas the interaction between the hydrogen atom and the acceptor is often considerably weaker∗ [1]. Despite its simplicity, the relevance of hydrogen bonds in nature can hardly be overestimated. It is a unique interaction that is strong enough to ...
... donor forms a covalent bond with the hydrogen atom whereas the interaction between the hydrogen atom and the acceptor is often considerably weaker∗ [1]. Despite its simplicity, the relevance of hydrogen bonds in nature can hardly be overestimated. It is a unique interaction that is strong enough to ...
Influence of Protonation State on the Excited State Dynamics of a
... respectively. The freeze−pump−thaw method was used to remove oxygen from samples for nanosecond transient absorption measurements. 2.2. Instrumentation. Steady-state UV/vis absorption spectra were recorded in a 1 cm quartz cell on a JASCO V670 spectrophotometer. Steady-state emission spectra were re ...
... respectively. The freeze−pump−thaw method was used to remove oxygen from samples for nanosecond transient absorption measurements. 2.2. Instrumentation. Steady-state UV/vis absorption spectra were recorded in a 1 cm quartz cell on a JASCO V670 spectrophotometer. Steady-state emission spectra were re ...
Deposition and Characterization of Dielectric Distributed Bragg
... 980 nm lasers are of particular interest since they are widely deployed in existing telecommunications networks for long-haul communication [5] [6]. They are used extensively in Erbium Doped Fiber Amplifiers (EDFAs) which allow all optical amplification in links without the need to convert the signa ...
... 980 nm lasers are of particular interest since they are widely deployed in existing telecommunications networks for long-haul communication [5] [6]. They are used extensively in Erbium Doped Fiber Amplifiers (EDFAs) which allow all optical amplification in links without the need to convert the signa ...
Full text in DIVA
... Abstract. Characteristic changes in the organization of fibrillar collagen can potentially serve as an early diagnostic marker in various pathological processes. Tissue types containing collagen I can be probed by pulsed high-intensity laser radiation, thereby generating second harmonic light that p ...
... Abstract. Characteristic changes in the organization of fibrillar collagen can potentially serve as an early diagnostic marker in various pathological processes. Tissue types containing collagen I can be probed by pulsed high-intensity laser radiation, thereby generating second harmonic light that p ...
Appendix D – Raman Spectra
... Comparing again to [7] and [8], one can notice a very noisy baseline in these results compared to those published previously. It is typical for there to be noise in the RBM range [6]. However, there is quite a considerable amount of noise in these spectra, especially that of the 532 nm spectrum. Thi ...
... Comparing again to [7] and [8], one can notice a very noisy baseline in these results compared to those published previously. It is typical for there to be noise in the RBM range [6]. However, there is quite a considerable amount of noise in these spectra, especially that of the 532 nm spectrum. Thi ...
Aims - Publikationsserver der Universität Regensburg
... The spectral sensitivity of the photoreceptors is determined by the absorption region of the active chromophores. Specially four classes of blue light photoreceptors have been identified, they are PYP, BLUF-proteins, phototropins, and cryptochromes. BLUF-proteins, phototropins, and cryptochromes are ...
... The spectral sensitivity of the photoreceptors is determined by the absorption region of the active chromophores. Specially four classes of blue light photoreceptors have been identified, they are PYP, BLUF-proteins, phototropins, and cryptochromes. BLUF-proteins, phototropins, and cryptochromes are ...
Magneto-optical Kerr effect (MOKE)
... The largest contribution to the absorption is given by so-called electric-dipole approximation (valid for λ a), providing so-called electric-dipole transitions. Hence, whole vast energy range can be described by so-called Kubo formula, determining conductivity (absorption) for a given photon energ ...
... The largest contribution to the absorption is given by so-called electric-dipole approximation (valid for λ a), providing so-called electric-dipole transitions. Hence, whole vast energy range can be described by so-called Kubo formula, determining conductivity (absorption) for a given photon energ ...
Yu Chen
... Diffuse optical spectroscopy (DOS) and tomography (DOT) using NearInfrared (NIR) light provide promising tools for non-invasive imaging and clinical diagnosis of deep tissue. These techniques are capable of quantitative reconstructions of tissue absorption and scattering properties, thus can map in ...
... Diffuse optical spectroscopy (DOS) and tomography (DOT) using NearInfrared (NIR) light provide promising tools for non-invasive imaging and clinical diagnosis of deep tissue. These techniques are capable of quantitative reconstructions of tissue absorption and scattering properties, thus can map in ...
Microsphere optical device
... sphere in accordance With the present invention. One mecha nism includes using a generator that applies an alternating electric ?eld perpendicular to the equatorial plane of the microsphere. Another method provides an alternating cur rent to a current-carrying stem placed through the center of the m ...
... sphere in accordance With the present invention. One mecha nism includes using a generator that applies an alternating electric ?eld perpendicular to the equatorial plane of the microsphere. Another method provides an alternating cur rent to a current-carrying stem placed through the center of the m ...
Two-Color Two-Photon Excitation Using Femtosecond Laser Pulses
... laser systems being used for spectroscopy and two-photon microscopy. We demonstrate measurements of 2c2p excitation fluorescence using femtosecond pulses from a Ti:Sa laser. Since these experiments were carried out using a time-gated camera system as a detector which is normally used for fluorescenc ...
... laser systems being used for spectroscopy and two-photon microscopy. We demonstrate measurements of 2c2p excitation fluorescence using femtosecond pulses from a Ti:Sa laser. Since these experiments were carried out using a time-gated camera system as a detector which is normally used for fluorescenc ...
PPT - Institute of Physics, Bhubaneswar
... Increasing the length doesn‘t help due to strong absorption in the medium Electromagnetically Induced Transparency (EIT) provides a larger 3rd order non-linearity without absorption. ...
... Increasing the length doesn‘t help due to strong absorption in the medium Electromagnetically Induced Transparency (EIT) provides a larger 3rd order non-linearity without absorption. ...
Femtosecond spectroscopy of solid hydrogen - diss.fu
... A well established method to do this is the so called time resolved optical Kerr effect (OKE) spectroscopy, a Raman technique that is sensitive to induced anisotropies [22–24]. It was extensively used in our workgroup within the doctoral thesis of Nina Owschimikow, who studied rotational alignment d ...
... A well established method to do this is the so called time resolved optical Kerr effect (OKE) spectroscopy, a Raman technique that is sensitive to induced anisotropies [22–24]. It was extensively used in our workgroup within the doctoral thesis of Nina Owschimikow, who studied rotational alignment d ...