Achromatic correction of diffractive dispersion in white light SLM
... function t ∝ exp[iΦ(r⊥ , λ0 )], where r⊥ determines the position on an active surface of the SLM and λ0 is the chosen design wavelength. The phase map addressed on the SLM is controlled by the spatial variations of the refractive index n achieved by the applied voltage. The refractive index is adjus ...
... function t ∝ exp[iΦ(r⊥ , λ0 )], where r⊥ determines the position on an active surface of the SLM and λ0 is the chosen design wavelength. The phase map addressed on the SLM is controlled by the spatial variations of the refractive index n achieved by the applied voltage. The refractive index is adjus ...
Optical frequency combs: From frequency metrology to - JILA-PFC
... mixing signals is the essential requirement for a frequency measurement. Simply stated: if a frequency is multiplied by a factor , its period duration is divided by . If the low starting frequency is not ideally coherent but shows phase noise (i.e., the zero crossings of the field jitter by an amoun ...
... mixing signals is the essential requirement for a frequency measurement. Simply stated: if a frequency is multiplied by a factor , its period duration is divided by . If the low starting frequency is not ideally coherent but shows phase noise (i.e., the zero crossings of the field jitter by an amoun ...
Raman microscopy in an electron microscope: combining chemical
... detectable properties give rise to forms of contrast. Thus, using the secondary electron signals of the emissive mode, it is possible to observe topographic contrast. Any factor, which causes the secondary electron signal to vary, as the beam scans from point-to-point, is said to be generating contr ...
... detectable properties give rise to forms of contrast. Thus, using the secondary electron signals of the emissive mode, it is possible to observe topographic contrast. Any factor, which causes the secondary electron signal to vary, as the beam scans from point-to-point, is said to be generating contr ...
META`15 New York
... applied to wave phenomena in quantum mechanics and other areas such as optics. He received his Ph.D. degree in theoretical physics from St. Andrews in 1965. Since 1967, he has been at the University of Bristol, first as a postdoctoral fellow, then Lecturer and then Reader before becoming Professor i ...
... applied to wave phenomena in quantum mechanics and other areas such as optics. He received his Ph.D. degree in theoretical physics from St. Andrews in 1965. Since 1967, he has been at the University of Bristol, first as a postdoctoral fellow, then Lecturer and then Reader before becoming Professor i ...
The Strontium Optical Lattice Clock
... is atomic frequency standards and clocks. Atomic clocks find significant roles in a number of scientific and technological settings. State-of-the-art, laser-cooled, Cs-fountain microwave clocks have demonstrated impressive frequency measurement accuracy, with fractional uncertainties below the 10−15 ...
... is atomic frequency standards and clocks. Atomic clocks find significant roles in a number of scientific and technological settings. State-of-the-art, laser-cooled, Cs-fountain microwave clocks have demonstrated impressive frequency measurement accuracy, with fractional uncertainties below the 10−15 ...
The Strontium Optical Lattice Clock
... is atomic frequency standards and clocks. Atomic clocks find significant roles in a number of scientific and technological settings. State-of-the-art, laser-cooled, Cs-fountain microwave clocks have demonstrated impressive frequency measurement accuracy, with fractional uncertainties below the 10−15 ...
... is atomic frequency standards and clocks. Atomic clocks find significant roles in a number of scientific and technological settings. State-of-the-art, laser-cooled, Cs-fountain microwave clocks have demonstrated impressive frequency measurement accuracy, with fractional uncertainties below the 10−15 ...
Basic Wavefront Aberration Theory for Optical Metrology
... Airy disk. The distance between the two zero intensity regions on each side of the central maximum is called the Airy disk diameter. For a lens illuminated with collimated light, this Airy disk diameter is given by 2.44 λ f # . For visible light, λ is on the order of 0.5 µm and the Airy disk diamete ...
... Airy disk. The distance between the two zero intensity regions on each side of the central maximum is called the Airy disk diameter. For a lens illuminated with collimated light, this Airy disk diameter is given by 2.44 λ f # . For visible light, λ is on the order of 0.5 µm and the Airy disk diamete ...
Representation of Wavefront Aberrations
... and P-prime as the image, or visa-versa. The rays in this diagram do not depend on the direction of propagation of the light. Similarly, the optical distance between P and P’ is independent of the direction of light propagation. This means we can avoid the practical problem of having a closed system ...
... and P-prime as the image, or visa-versa. The rays in this diagram do not depend on the direction of propagation of the light. Similarly, the optical distance between P and P’ is independent of the direction of light propagation. This means we can avoid the practical problem of having a closed system ...
Mode-Matching Analysis of Whispering-Gallery
... This thesis presents a full-vectorial mode matching method for whispering gallery microcavity analysis. With this technique, optical properties such as resonance wavelength, quality factor and electromagnetic field distribution of an arbitrarily shaped microcavity can be computed with high accuracy. ...
... This thesis presents a full-vectorial mode matching method for whispering gallery microcavity analysis. With this technique, optical properties such as resonance wavelength, quality factor and electromagnetic field distribution of an arbitrarily shaped microcavity can be computed with high accuracy. ...
Application of nonperiodic phase structures in
... compact disks 共CDs兲 with a cover layer of 1.2 mm at wavelength ⫽ 785 nm. In this paper we show that the concept of a NPS can be used more generally to partly compensate for aberrations of optical systems when we correctly choose the initial step heights and step widths of the NPS. Two different cl ...
... compact disks 共CDs兲 with a cover layer of 1.2 mm at wavelength ⫽ 785 nm. In this paper we show that the concept of a NPS can be used more generally to partly compensate for aberrations of optical systems when we correctly choose the initial step heights and step widths of the NPS. Two different cl ...
Wavefront Aberration - University of Arizona
... Airy disk. The distance between the two zero intensity regions on each side of the central maximum is called the Airy disk diameter. For a lens illuminated with collimated light, this Airy disk diameter is given by 2.44 λ f # . For visible light, λ is on the order of 0.5 µm and the Airy disk diamete ...
... Airy disk. The distance between the two zero intensity regions on each side of the central maximum is called the Airy disk diameter. For a lens illuminated with collimated light, this Airy disk diameter is given by 2.44 λ f # . For visible light, λ is on the order of 0.5 µm and the Airy disk diamete ...
EXPERIMENT 06 Helium Neon Laser
... below the 3s level of the neon. However, the additional thermal energy kT is sufficient to overcome this gap. As already mentioned, the lifetime of the s-states of the neon are approximately 10 times longer as those of the pstates. An immediate population inversion between the 3s and the 2p levels w ...
... below the 3s level of the neon. However, the additional thermal energy kT is sufficient to overcome this gap. As already mentioned, the lifetime of the s-states of the neon are approximately 10 times longer as those of the pstates. An immediate population inversion between the 3s and the 2p levels w ...
Modern Optical Engineering
... to you as mine has to me. I also hope that this third edition of Modern Optical Engineering is as useful to you as it has been to me. I wish you well. Warren J. Smith Vista, California ...
... to you as mine has to me. I also hope that this third edition of Modern Optical Engineering is as useful to you as it has been to me. I wish you well. Warren J. Smith Vista, California ...
Quantum Gas Microscope With Optical Lattice
... We then integrate the optical lattice with the microscope system by using it as a part of the imaging system which projects the optical lattice pattern imprinted on a transmission phase hologram, onto the location of the atoms. The high numerical aperture of the microscope allows us to image the lat ...
... We then integrate the optical lattice with the microscope system by using it as a part of the imaging system which projects the optical lattice pattern imprinted on a transmission phase hologram, onto the location of the atoms. The high numerical aperture of the microscope allows us to image the lat ...
Final report
... Figure 17: Precise alignment using tapered lens fibre for direct injection from bent section. ..... 27 Figure 18: Image of light coupling by injecting light through a bent section. Red bright dot at the end indicates light exiting the silk fibre. ..................................................... ...
... Figure 17: Precise alignment using tapered lens fibre for direct injection from bent section. ..... 27 Figure 18: Image of light coupling by injecting light through a bent section. Red bright dot at the end indicates light exiting the silk fibre. ..................................................... ...
MEMS Corner Cube Retroreflectors for Free-Space
... performance of an ideal CCR as well as one with non-ideal characteristics. This allows the designer to determine specifications for the CCRs in order to meet the system requirements. This paper also presents the design issues relevant to fabricating CCRs in the commercial MCNC MUMPS process. The des ...
... performance of an ideal CCR as well as one with non-ideal characteristics. This allows the designer to determine specifications for the CCRs in order to meet the system requirements. This paper also presents the design issues relevant to fabricating CCRs in the commercial MCNC MUMPS process. The des ...
The proceedings of this workshop are available here.
... Complex materials have, indeed, attracted the attention of severalresearchgroups working in the electromagnetics,microwave,millimeter wave, and optical areas. The classof these media - upon which sometimesthe label "exotictt is attached - contains several types of materials that loosely can be said ...
... Complex materials have, indeed, attracted the attention of severalresearchgroups working in the electromagnetics,microwave,millimeter wave, and optical areas. The classof these media - upon which sometimesthe label "exotictt is attached - contains several types of materials that loosely can be said ...