Telescopes and spectrographs
... Achieving high magnification with a telescope requires a long focal length fo, but limits on the maximum possible value of fo are set by the need to make the whole instrument movable. It is clear from Figure 3 that the physical length of a Keplerian refracting telescope cannot be less than fo. Hence ...
... Achieving high magnification with a telescope requires a long focal length fo, but limits on the maximum possible value of fo are set by the need to make the whole instrument movable. It is clear from Figure 3 that the physical length of a Keplerian refracting telescope cannot be less than fo. Hence ...
Holography - Princeton University
... a redreflects laser. off Therefore reflectioninterference holograms are commonly figure 3, there is a path difference between light rays reflecting off different Bragg diffraction planes. These reflected rays then interfere with each other, and if they are not in phase, the interference 4 rays refle ...
... a redreflects laser. off Therefore reflectioninterference holograms are commonly figure 3, there is a path difference between light rays reflecting off different Bragg diffraction planes. These reflected rays then interfere with each other, and if they are not in phase, the interference 4 rays refle ...
Coherent Light Transport in a Cold Strontium Cloud
... We also checked that the finite transverse size of the laser beam has no significant influence on the signal. Taking into account the systematic errors, we find that the CBS enhancement factor should rather be a 苷 1.91, consistent with the measured value. A remaining (but yet uncontrolled) source of ...
... We also checked that the finite transverse size of the laser beam has no significant influence on the signal. Taking into account the systematic errors, we find that the CBS enhancement factor should rather be a 苷 1.91, consistent with the measured value. A remaining (but yet uncontrolled) source of ...
Stereochemistry at Tetrahedral Centers
... • The freely interconverting mirror images cancel out their optical rotation, so it is achiral ...
... • The freely interconverting mirror images cancel out their optical rotation, so it is achiral ...
Alignment Procedures for Micro
... gripped by a vacuum gripper and placed onto the optical bench. After placing onto the optical bench, the distance of the laser diode to the edge of the first prism is measured using image processing. If the calculated distance is in a range of 20 µm and the orientation of the prism assembly to the o ...
... gripped by a vacuum gripper and placed onto the optical bench. After placing onto the optical bench, the distance of the laser diode to the edge of the first prism is measured using image processing. If the calculated distance is in a range of 20 µm and the orientation of the prism assembly to the o ...
Performance of fourier domain vs. time domain optical coherence
... Ever since the first medical applications of Fourier Domain Optical Coherence Tomography (FDOCT) have been described by Fercher et al. in 19951, it has been questioned if this technique is competitive to current standard time domain systems. Whereas Time Domain OCT (TDOCT) is already well establishe ...
... Ever since the first medical applications of Fourier Domain Optical Coherence Tomography (FDOCT) have been described by Fercher et al. in 19951, it has been questioned if this technique is competitive to current standard time domain systems. Whereas Time Domain OCT (TDOCT) is already well establishe ...
Near-resonant spatial images of confined Bose-Einstein condensates in a 4-Dee... Lene Vestergaard Hau, B. D. Busch, Chien Liu,
... demonstrating that detailed quantitative spatial information for condensates in the trap can be obtained by near-resonant absorption imaging. A few images of trapped condensates have been reported in the literature, but we are not aware of any demonstrations where the statistics @9–11# or resolution ...
... demonstrating that detailed quantitative spatial information for condensates in the trap can be obtained by near-resonant absorption imaging. A few images of trapped condensates have been reported in the literature, but we are not aware of any demonstrations where the statistics @9–11# or resolution ...
![RE: [interferometry] Re: LUPI - Shack variation Ric: The original](http://s1.studyres.com/store/data/011245292_1-578bd4d5b805243b0b07f7be13d775c5-300x300.png)
RE: [interferometry] Re: LUPI - Shack variation Ric: The original
... laser coherence every half cavity length, coming back into sync at integer multiples of the cavity length. So, when testing your friend's new primary in your Ceravolo rig, you may or may not get fringes depending on whether the path length difference between the reference and test beams is nearly an ...
... laser coherence every half cavity length, coming back into sync at integer multiples of the cavity length. So, when testing your friend's new primary in your Ceravolo rig, you may or may not get fringes depending on whether the path length difference between the reference and test beams is nearly an ...
Light scattering described in the mode picture
... wavelength the average has to be taken. One expects the upper limit of relevant spatial wavelengths to be roughly corresponding to the beam diameter. However, here factors of the order of 2 are fairly important, as the spectral density of the amplitude of surface deformations (as well as of fluctuat ...
... wavelength the average has to be taken. One expects the upper limit of relevant spatial wavelengths to be roughly corresponding to the beam diameter. However, here factors of the order of 2 are fairly important, as the spectral density of the amplitude of surface deformations (as well as of fluctuat ...
Introduction to Acousto Optics
... and/or recalibration. However, the selected wavelength is still a function of a precise geometrical arrangement between the grating and detector. Vibration or mishandling can thus cause "blurring" of the image on the array, which translates into reduced performance. Another limitation of this type o ...
... and/or recalibration. However, the selected wavelength is still a function of a precise geometrical arrangement between the grating and detector. Vibration or mishandling can thus cause "blurring" of the image on the array, which translates into reduced performance. Another limitation of this type o ...
Interference and Fourier Transform Spectroscopy
... • An analysis system which can perform the FFT (fast Fourier Transformations) and correctly evaluate the corrections (intensity, phase and noise effects introduced by the experimental setup). ...
... • An analysis system which can perform the FFT (fast Fourier Transformations) and correctly evaluate the corrections (intensity, phase and noise effects introduced by the experimental setup). ...
Photoelectron imaging of modal interference in
... radius r = 300 nm. Scale bar: 200 nm. (b) FIB-milled cross section through a single ring resonator in Au. Scale bar: 200 nm. (c) Top-view SEM image of a 10 × 11 array of ring resonators with r = 100-350 nm and d = 60-140, 500 nm. ...
... radius r = 300 nm. Scale bar: 200 nm. (b) FIB-milled cross section through a single ring resonator in Au. Scale bar: 200 nm. (c) Top-view SEM image of a 10 × 11 array of ring resonators with r = 100-350 nm and d = 60-140, 500 nm. ...
Polarization-controlled contrasted images using dye
... techniques are commonly used to extract phase information; however they are cumbersome to work with due to the careful alignment of the system. Zernike phase contrast technique converts phase modulation caused by an object into amplitude modulation by phase shifting the Fourier spectra of the phase ...
... techniques are commonly used to extract phase information; however they are cumbersome to work with due to the careful alignment of the system. Zernike phase contrast technique converts phase modulation caused by an object into amplitude modulation by phase shifting the Fourier spectra of the phase ...
Electron beam lithography designed silver nano
... EBL, on the other hand, is a modified SEM system that has superior properties compared to other optical or chemical patterning techniques, such as the precise placement and design of arbitrarily shaped NPs with a large selection of geometries of various sizes with fine features. It offers a high res ...
... EBL, on the other hand, is a modified SEM system that has superior properties compared to other optical or chemical patterning techniques, such as the precise placement and design of arbitrarily shaped NPs with a large selection of geometries of various sizes with fine features. It offers a high res ...
Microsoft Word - DORAS
... optical signals that are then transmitted to the control station [3]. Depending on the system architecture, some type of optical filtering may normally be employed in the such systems either to convert a Double Side Band (DSB) signal to Single Side Band format (to overcome dispersive fading), or to ...
... optical signals that are then transmitted to the control station [3]. Depending on the system architecture, some type of optical filtering may normally be employed in the such systems either to convert a Double Side Band (DSB) signal to Single Side Band format (to overcome dispersive fading), or to ...
O 28: Plasmonics and Nanooptics IV: Light
... repel each other as a result of additional coupling between the LSP modes. In our laser spectroscopic nP-PEEM experiments we observe such spectral shifts for silver particles covered with a ZnTPP layer of only four monolayers. ...
... repel each other as a result of additional coupling between the LSP modes. In our laser spectroscopic nP-PEEM experiments we observe such spectral shifts for silver particles covered with a ZnTPP layer of only four monolayers. ...
Double Exposure Holography - Wooster Physics
... idea that objects are viewed with two eyes. By capturing the exact interference pattern of the two beams, the hologram image produced is a three ...
... idea that objects are viewed with two eyes. By capturing the exact interference pattern of the two beams, the hologram image produced is a three ...
Methods of measuring the modulation transfer function
... occupy a major position in the field of modern optics. The basic idea of the Fourier theory of image formation is that, under certain conditions [3], the performance of a noiseless optical system can be described by a unique optical transfer functiont (OTF) that simply relates the spatial frequencie ...
... occupy a major position in the field of modern optics. The basic idea of the Fourier theory of image formation is that, under certain conditions [3], the performance of a noiseless optical system can be described by a unique optical transfer functiont (OTF) that simply relates the spatial frequencie ...
Large-Area Laser-Lift-Off Processing in
... in turn already employ rectangular glass substrates extending up to 5 m2 in size. In order to achieve fast and reproducible laser-lift-off separation over such large areas on an industrial scale, two industry-proven optical processing strategies based on excimer lasers are fundamentally applicable. ...
... in turn already employ rectangular glass substrates extending up to 5 m2 in size. In order to achieve fast and reproducible laser-lift-off separation over such large areas on an industrial scale, two industry-proven optical processing strategies based on excimer lasers are fundamentally applicable. ...
Images Formed by Plane Mirrors
... other. How many images do you see? Measure Do from the object candle to the junction of the two mirrors. Place the second candle over each reflected image in turn and measure each Di. Record these values on the data table. What can you say about the Do and Di values? What happens to left and right i ...
... other. How many images do you see? Measure Do from the object candle to the junction of the two mirrors. Place the second candle over each reflected image in turn and measure each Di. Record these values on the data table. What can you say about the Do and Di values? What happens to left and right i ...
Introduction
... Thus the free spectral range decreases with increasing diffraction order, and applies to all gratings capable of operating in more than one order. It becomes an important factor with specialized gratings, such as Echelle gratings, that function at very high orders, as well as with many interferomete ...
... Thus the free spectral range decreases with increasing diffraction order, and applies to all gratings capable of operating in more than one order. It becomes an important factor with specialized gratings, such as Echelle gratings, that function at very high orders, as well as with many interferomete ...