Lab 11: Atomic Spectra
... Fluorescence occurs when an atom absorbs light at one frequency but then emits light at lower frequencies. For example, an atom can absorb a UV photon and jump to a higher energy state. Rather then jumping directly back to the initial energy state (and emitting the same energy UV photon), the atom c ...
... Fluorescence occurs when an atom absorbs light at one frequency but then emits light at lower frequencies. For example, an atom can absorb a UV photon and jump to a higher energy state. Rather then jumping directly back to the initial energy state (and emitting the same energy UV photon), the atom c ...
Document
... At the image plane, we now have two types of high-frequency fields, phase shifted by /2 and not, which generate high contrast fringes (bright or dark halos, depending on the sign of the phase shift filter). The existence of the halo indicates the failure of our assumption for a perfect 2D Fourie ...
... At the image plane, we now have two types of high-frequency fields, phase shifted by /2 and not, which generate high contrast fringes (bright or dark halos, depending on the sign of the phase shift filter). The existence of the halo indicates the failure of our assumption for a perfect 2D Fourie ...
Equipment list: Description Supplier Model Optical test bench
... instrument can perfectly align each optical component’s center-of-curvature and position on its on-axis focused beam, exactly to specifications. The PSM is also used for aligning aspheric optics, including off-axis aspheres. The PSM locates point images and shows the image shape as a star test. The ...
... instrument can perfectly align each optical component’s center-of-curvature and position on its on-axis focused beam, exactly to specifications. The PSM is also used for aligning aspheric optics, including off-axis aspheres. The PSM locates point images and shows the image shape as a star test. The ...
Dual-color total internal reflection fluorescence cross
... excitation and single-photon detection. Nonetheless, for several applications, TIR illumination can provide further benefits, for instance when ligands interacting with receptors immobilized onto a surface are to be studied.9–12 First, in TIRFCCS the molecules are only excited near the glass-sample ...
... excitation and single-photon detection. Nonetheless, for several applications, TIR illumination can provide further benefits, for instance when ligands interacting with receptors immobilized onto a surface are to be studied.9–12 First, in TIRFCCS the molecules are only excited near the glass-sample ...
Resolution in Confocal Microscopy
... The FWHM value is only one method of measuring resolution. Another common method is the Rayleigh criteria [19] where we would consider the distance between the first diffraction minimum and the central maximum as being the resolution of the optical signal. Note that although there FWHM might be in t ...
... The FWHM value is only one method of measuring resolution. Another common method is the Rayleigh criteria [19] where we would consider the distance between the first diffraction minimum and the central maximum as being the resolution of the optical signal. Note that although there FWHM might be in t ...
Toward the development of a Three-Dimensional Mid–Field Microscope
... Recently, an extraordinary transmission of light through small holes (<200 nm) in a thin metallic film has been described. This phenomenon has been shown to be the result of the photon-plasmon interaction in thin films where a periodic structure (such as a set of holes) is embedded in the film. One ...
... Recently, an extraordinary transmission of light through small holes (<200 nm) in a thin metallic film has been described. This phenomenon has been shown to be the result of the photon-plasmon interaction in thin films where a periodic structure (such as a set of holes) is embedded in the film. One ...
Confocal microscopy with a volume holographic filter
... and improved aberration performance: Objectivelens aberrations are phase conjugated out during the hologram reconstruction process, and collector-lens aberrations (which increase the collected spot size) are irrelevant in the absence of a pinhole. The volume holographic confocal microscope is shown ...
... and improved aberration performance: Objectivelens aberrations are phase conjugated out during the hologram reconstruction process, and collector-lens aberrations (which increase the collected spot size) are irrelevant in the absence of a pinhole. The volume holographic confocal microscope is shown ...
Instrumental Analysis as Applied to Architectural Materials
... The light may be either reflected by the sample or transmitted through the sample. The image generated is magnified through lenses. Optical microscopy is used to analyze coatings, stones, and mortar and to identify constituents such as minerals (crystals). Microscopy is typically qualitative but may ...
... The light may be either reflected by the sample or transmitted through the sample. The image generated is magnified through lenses. Optical microscopy is used to analyze coatings, stones, and mortar and to identify constituents such as minerals (crystals). Microscopy is typically qualitative but may ...