PHYS 241 Recitation
... – Very few of the formulas you will encounter are always applicable – It is imperative to know the situation for which a formula is valid ...
... – Very few of the formulas you will encounter are always applicable – It is imperative to know the situation for which a formula is valid ...
Crystal structure of ICE and Protein
... With both cooling and pressure different types exist : Ice II,III, V, VI, VII,VIII, IX, and X. The types are differentiated by their crystalline structure, ordering and density. ...
... With both cooling and pressure different types exist : Ice II,III, V, VI, VII,VIII, IX, and X. The types are differentiated by their crystalline structure, ordering and density. ...
(y).
... Consider a linear polarizer with transmission axis along the vertical (y). Let a 2X2 matrix represent the polarizer operating on vertically polarized light. The transmitted light must also be vertically polarized. Thus, ...
... Consider a linear polarizer with transmission axis along the vertical (y). Let a 2X2 matrix represent the polarizer operating on vertically polarized light. The transmitted light must also be vertically polarized. Thus, ...
chapter5
... • Wavelengths of light are measured in units of nanometers (nm) or angstrom (Å): 1 nm = 10-9 m 1 Å = 10-10 m = 0.1 nm ...
... • Wavelengths of light are measured in units of nanometers (nm) or angstrom (Å): 1 nm = 10-9 m 1 Å = 10-10 m = 0.1 nm ...
Active and Passive Dielectrics The dielectric materials can be
... However, when this atom is placed in an external electric field, the centre of the positive charge is displaced along the field direction while the centre of the negative charge is displaced in the opposite direction. When a dielectric material is placed inside an electric field, such dipoles ar ...
... However, when this atom is placed in an external electric field, the centre of the positive charge is displaced along the field direction while the centre of the negative charge is displaced in the opposite direction. When a dielectric material is placed inside an electric field, such dipoles ar ...
mesh wall
... Hedonism-bot will only sit on a platform suspended by pure oxygen. Hedonism-bot has one problem, though. When the temperature outside changes, the gas expands and contracts, which moves the platform up and down and drives Hedonism-bot crazy. To fix the problem, Hedonism-bot has charged the platform ...
... Hedonism-bot will only sit on a platform suspended by pure oxygen. Hedonism-bot has one problem, though. When the temperature outside changes, the gas expands and contracts, which moves the platform up and down and drives Hedonism-bot crazy. To fix the problem, Hedonism-bot has charged the platform ...
Water on the Sun: the Sun yields more secrets to
... In an absorption spectrum, transitions are observed as a dip in the intensity of the light at the resonant frequency of each transition or absorption line. In the case of the sunspot, the continuous radiation source is the centre of the Sun itself and it is against this that a complicated absorption ...
... In an absorption spectrum, transitions are observed as a dip in the intensity of the light at the resonant frequency of each transition or absorption line. In the case of the sunspot, the continuous radiation source is the centre of the Sun itself and it is against this that a complicated absorption ...
View PDF - e-Science Central
... PEGs are hydrophilic, non-toxic, non-immunogenic, and relatively chemically inert polymers consisting of repetitive units of ethylene oxide. It has been approved by the FDA as “generally recognized as safe” [3]. A large number of potential PEG molecules are available in linear or branched configurat ...
... PEGs are hydrophilic, non-toxic, non-immunogenic, and relatively chemically inert polymers consisting of repetitive units of ethylene oxide. It has been approved by the FDA as “generally recognized as safe” [3]. A large number of potential PEG molecules are available in linear or branched configurat ...
Phonons
... in the infrared spectral region, and the modes that interact directly with light are called infrared active (IR active). The phonon modes of a crystal are subdivided into two general categories: • acoustic or optical; • transverse or longitudinal. It is the “optical” rather than the acoustic modes t ...
... in the infrared spectral region, and the modes that interact directly with light are called infrared active (IR active). The phonon modes of a crystal are subdivided into two general categories: • acoustic or optical; • transverse or longitudinal. It is the “optical” rather than the acoustic modes t ...
What can we Learn from the Electromagnetic Spectrum?
... electron from the hydrogen atom by giving it 13.6 eV energy. This is accomplished by bombarding it by a photon. This photon will have a maximum wavelength of 1234 nm/13.6 = 90 nm. This lies in the UV region as can be seen from Table 1. Conversely, when an electron jumps from a higher orbit to a lowe ...
... electron from the hydrogen atom by giving it 13.6 eV energy. This is accomplished by bombarding it by a photon. This photon will have a maximum wavelength of 1234 nm/13.6 = 90 nm. This lies in the UV region as can be seen from Table 1. Conversely, when an electron jumps from a higher orbit to a lowe ...
Coupled Waveguide Modulator
... (a) Cross section of two closely spaced waveguides A and B (separated by d) embedded in a substrate. The evanescent field from A extends into B and vice versa. Note: nA and nB > ns (= substrate index). (b) Top view of the two guides A and B that are coupled along the z-direction. Light is fed into A ...
... (a) Cross section of two closely spaced waveguides A and B (separated by d) embedded in a substrate. The evanescent field from A extends into B and vice versa. Note: nA and nB > ns (= substrate index). (b) Top view of the two guides A and B that are coupled along the z-direction. Light is fed into A ...
Electric fields
... • although we only calculate the fields along z-axis, it turns out that this also applies to all direction. • p is the basic property of an electric dipole, but not q or d. Only the product qd is important. E ...
... • although we only calculate the fields along z-axis, it turns out that this also applies to all direction. • p is the basic property of an electric dipole, but not q or d. Only the product qd is important. E ...
Circular dichroism
Circular dichroism (CD) is dichroism involving circularly polarized light, i.e., the differential absorption of left- and right-handed light. Left-hand circular (LHC) and right-hand circular (RHC) polarized light represent two possible spin angular momentum states for a photon, and so circular dichroism is also referred to as dichroism for spin angular momentum. This phenomenon was discovered by Jean-Baptiste Biot, Augustin Fresnel, and Aimé Cotton in the first half of the 19th century. It is exhibited in the absorption bands of optically active chiral molecules. CD spectroscopy has a wide range of applications in many different fields. Most notably, UV CD is used to investigate the secondary structure of proteins. UV/Vis CD is used to investigate charge-transfer transitions. Near-infrared CD is used to investigate geometric and electronic structure by probing metal d→d transitions. Vibrational circular dichroism, which uses light from the infrared energy region, is used for structural studies of small organic molecules, and most recently proteins and DNA.