D. Kampf
... Alignment mirror location (+/- 0.5 mm for feet location and +/- 1 mm for alignment mirrors) ...
... Alignment mirror location (+/- 0.5 mm for feet location and +/- 1 mm for alignment mirrors) ...
Combined wind measurements by two different lidar instruments in
... The top altitude is determined as the altitude where the error of the backscatter signal due to photon noise plus uncertainty in determining the background signal exceeds half the signal. We discard an individual record if its top altitude is more than 5 km lower than the ninth decile of all top alt ...
... The top altitude is determined as the altitude where the error of the backscatter signal due to photon noise plus uncertainty in determining the background signal exceeds half the signal. We discard an individual record if its top altitude is more than 5 km lower than the ninth decile of all top alt ...
Darragh-ODonoghue
... Headwall spectrometer. Unknown to us at the time we designed and built the “toy” Half Offner, Headwall Photonics have a patent on a design very similar to the Half Offner, but with a surface relief convex grating (only information is in the patent) An entirely new and even simpler design arises ...
... Headwall spectrometer. Unknown to us at the time we designed and built the “toy” Half Offner, Headwall Photonics have a patent on a design very similar to the Half Offner, but with a surface relief convex grating (only information is in the patent) An entirely new and even simpler design arises ...
FY12 - National Optical Astronomy Observatory
... The 2.2-deg-wide optical imager Dark Energy Camera (DECam) was successfully installed and achieved first light at the CTIO Blanco 4-m telescope. Almost simultaneously, the partially filled One Degree Imager (pODI) also was successfully installed and achieved first light at the Wisconsin-IndianaYale- ...
... The 2.2-deg-wide optical imager Dark Energy Camera (DECam) was successfully installed and achieved first light at the CTIO Blanco 4-m telescope. Almost simultaneously, the partially filled One Degree Imager (pODI) also was successfully installed and achieved first light at the Wisconsin-IndianaYale- ...
The Lake Baikal Three Messenger Conference
... – TeV pulsed emission from the Crab pulsar detected by MAGIC Presenters: GALINDO, Daniel – MAGIC observations under extreme conditions Presenters: FRUCK, Christian – The future of gamma-ray astronomy Presenters: KNÖDLSEDER, Jürgen – Lunch – Perspectives for Gamma Astronomy at very high energy (E > 1 ...
... – TeV pulsed emission from the Crab pulsar detected by MAGIC Presenters: GALINDO, Daniel – MAGIC observations under extreme conditions Presenters: FRUCK, Christian – The future of gamma-ray astronomy Presenters: KNÖDLSEDER, Jürgen – Lunch – Perspectives for Gamma Astronomy at very high energy (E > 1 ...
Critical-Angle Transmission Gratings for High Resolution, Large Area Soft X-Ray Spectroscopy
... over more than two orders of magnitude in energy. High quality spectroscopy over such a large band cannot be obtained with a single instrument. For example, imaging spectroscopy with a spectral resolution of 2 eV has been demonstrated with small transition-edge-sensor-based microcalorimeter arrays, ...
... over more than two orders of magnitude in energy. High quality spectroscopy over such a large band cannot be obtained with a single instrument. For example, imaging spectroscopy with a spectral resolution of 2 eV has been demonstrated with small transition-edge-sensor-based microcalorimeter arrays, ...
Preliminary Design Manual - Caltech Optical Observatories
... Chris Neyman Erik Johansson Jason Chin Jim Bell Drew Medeiros Doug Morrison Jimmy Johnson Ed Wetherell ...
... Chris Neyman Erik Johansson Jason Chin Jim Bell Drew Medeiros Doug Morrison Jimmy Johnson Ed Wetherell ...
Parsing with the Shortest Derivation
... As with the probabilistic DOP model, we first convert the corpus-subtrees into rewrite rules. Next, the shortest derivation can be computed in the same way as the most probable derivation (by Viterbi) if we give all rules equal probabilities, in which case the shortest derivation is equal to the mos ...
... As with the probabilistic DOP model, we first convert the corpus-subtrees into rewrite rules. Next, the shortest derivation can be computed in the same way as the most probable derivation (by Viterbi) if we give all rules equal probabilities, in which case the shortest derivation is equal to the mos ...
Astronomical Adaptive Optics using Multiple Laser Guide Stars
... key roles in furthering the experiments presented here. I’d like to additionally thank the telescope operators at the MMT: Mike Alegria, Alejandra Milone and John McAffe. They have gone above and beyond the call of duty in supporting our engineering at the telescope. I am thankful for Kim Chapman an ...
... key roles in furthering the experiments presented here. I’d like to additionally thank the telescope operators at the MMT: Mike Alegria, Alejandra Milone and John McAffe. They have gone above and beyond the call of duty in supporting our engineering at the telescope. I am thankful for Kim Chapman an ...
I+D en IFCA para futuros aceleradores
... rate. In aeronautics (embedded or bonded) on the of the CFRP composite ( for instance, plane radar redome) Jornadas Sobre Futuros Aceleradores , May 8thl '09, I. Vila ...
... rate. In aeronautics (embedded or bonded) on the of the CFRP composite ( for instance, plane radar redome) Jornadas Sobre Futuros Aceleradores , May 8thl '09, I. Vila ...
9 adaptive optics - Giant Magellan Telescope
... chosen to give relatively good Strehl in the H band, 56% for a guide star on axis, degrading to 35% for a tilt star 1′ off axis. The 200 nm RMS target is significantly better than is typically achieved with current systems, but our analysis later in this chapter shows it will be possible. Table 9-1 ...
... chosen to give relatively good Strehl in the H band, 56% for a guide star on axis, degrading to 35% for a tilt star 1′ off axis. The 200 nm RMS target is significantly better than is typically achieved with current systems, but our analysis later in this chapter shows it will be possible. Table 9-1 ...
JWST Project Report to the PMC
... New simulated light curves show late time rise over > 100 days. Infrared energy diffuses out through dense ejecta of PI SNe… can be measured with JWST to z > 10 and maybe 15 with strong lensing in this model. Ground based follow up with 30-m telescopes will help distinguish progenitors. ...
... New simulated light curves show late time rise over > 100 days. Infrared energy diffuses out through dense ejecta of PI SNe… can be measured with JWST to z > 10 and maybe 15 with strong lensing in this model. Ground based follow up with 30-m telescopes will help distinguish progenitors. ...
CHANDRA X-ray Center Ping Zhao
... the point where the quadratic function at its minimum. Figure 7 shows the optical axis derived from the above 2-D quadratic fit. Figure 8 shows all the optical axis positions so determined since launch. It moves like a random walk but is relatively stable. Its movement is well within a 10′′ region. ...
... the point where the quadratic function at its minimum. Figure 7 shows the optical axis derived from the above 2-D quadratic fit. Figure 8 shows all the optical axis positions so determined since launch. It moves like a random walk but is relatively stable. Its movement is well within a 10′′ region. ...
transparencies - Rencontres de Moriond
... separated from the sky signal at 4theta. However if they are too large they challenge the linearity of the detectors and the dynamic range of the data acquisition system. Bolometers become non linear and start to saturate so that a pure 2 theta signal acquires a 4theta component. ...
... separated from the sky signal at 4theta. However if they are too large they challenge the linearity of the detectors and the dynamic range of the data acquisition system. Bolometers become non linear and start to saturate so that a pure 2 theta signal acquires a 4theta component. ...
presentation in ppt - Leiden Observatory
... Middelburg (the Netherlands) applies for patent for an instrument “om verre te zien” (to look into the distance). October 7, 1608: successful demonstration for the princes of Orange: Lippershey receives an order for 6 instruments, for 1000 guilders each!. within two weeks two other lensmakers (i ...
... Middelburg (the Netherlands) applies for patent for an instrument “om verre te zien” (to look into the distance). October 7, 1608: successful demonstration for the princes of Orange: Lippershey receives an order for 6 instruments, for 1000 guilders each!. within two weeks two other lensmakers (i ...
Engineering Lightweight Dobsonian Telescopes
... First acquire all the optical parts; the main mirror, focuser, eyepieces, secondary mirror, and the secondary spider. You will need them to establish focal length, fit, and balance. However, you could use dummy weights until the parts arrive. Let’s talk about choosing the perfect main mirror. Since ...
... First acquire all the optical parts; the main mirror, focuser, eyepieces, secondary mirror, and the secondary spider. You will need them to establish focal length, fit, and balance. However, you could use dummy weights until the parts arrive. Let’s talk about choosing the perfect main mirror. Since ...
Untitled - narrowbandimaging.com
... scheme or artifice to defraud, Meade transmitted by wire on its interactive website, located at www.meade.com, writings, signs, signals and pictures falsely describing the Meade RCX400 series and the LX200R as “RitcheyChretien.” Meade transmitted by wire from its interactive website:“[t]he most wide ...
... scheme or artifice to defraud, Meade transmitted by wire on its interactive website, located at www.meade.com, writings, signs, signals and pictures falsely describing the Meade RCX400 series and the LX200R as “RitcheyChretien.” Meade transmitted by wire from its interactive website:“[t]he most wide ...
Introduction to Digital Design Tools
... availability of quality tools that fit seamlessly with the PWB layout flow. SI simulation becomes more important with faster operational speeds and higher density requirements. As device edge rates get faster it is becoming imperative to consider transmission line effects and possible signal int ...
... availability of quality tools that fit seamlessly with the PWB layout flow. SI simulation becomes more important with faster operational speeds and higher density requirements. As device edge rates get faster it is becoming imperative to consider transmission line effects and possible signal int ...
Optical interferometry in astronomy
... patch, the rms phase error is ∼1.03 rad. At λ = 500 nm, r0 is typically 10 cm (toward zenith) at average observing sites and hence even small telescopes cannot be used at their diffractionlimit in the visible. In such cases, the observed angular size of a point-source will be determined entirely by ...
... patch, the rms phase error is ∼1.03 rad. At λ = 500 nm, r0 is typically 10 cm (toward zenith) at average observing sites and hence even small telescopes cannot be used at their diffractionlimit in the visible. In such cases, the observed angular size of a point-source will be determined entirely by ...
LIGO-T0900407-v4 - DCC - LIGO Document Control Center Portal
... scenarios where the mode at the PRM may change due to imperfect TCS or higher than expected thermal lensing in the IFO. For such cases, it will be advantageous to have two control knobs in the IO chain. This will provide double the dynamic range of one AOE and some degree of nondegeneracy (due to li ...
... scenarios where the mode at the PRM may change due to imperfect TCS or higher than expected thermal lensing in the IFO. For such cases, it will be advantageous to have two control knobs in the IO chain. This will provide double the dynamic range of one AOE and some degree of nondegeneracy (due to li ...
TECHNICAL REPORT
... The Mid-Infrared Instrument (MIRI) on JWST is designed to obtain 5.6 - 25.5 µm images with a plate scale of 110 mas pix-1 and 5 - 14 µm low-resolution spectra of the most distant galaxies in the Universe, to study the formation of the first galaxies. As a result, MIRI is extremely sensitive and satu ...
... The Mid-Infrared Instrument (MIRI) on JWST is designed to obtain 5.6 - 25.5 µm images with a plate scale of 110 mas pix-1 and 5 - 14 µm low-resolution spectra of the most distant galaxies in the Universe, to study the formation of the first galaxies. As a result, MIRI is extremely sensitive and satu ...
Name: Period: ______ Brahe and Kepler Tycho Brahe Tycho Brahe
... practice profoundly. Whereas earlier astronomers had been content to observe the positions of planets and the Moon at certain important points of their orbits (e.g., opposition, quadrature, station), Tycho and his cast of assistants observed these bodies throughout their orbits. As a result, a numbe ...
... practice profoundly. Whereas earlier astronomers had been content to observe the positions of planets and the Moon at certain important points of their orbits (e.g., opposition, quadrature, station), Tycho and his cast of assistants observed these bodies throughout their orbits. As a result, a numbe ...
Optical Specifications (Tech Report #35)
... where is the rms deviation from the mean wavefront. We want to specify the small scale (1 cm) surface roughness so that no more than 3% of the light is scattered outside ...
... where is the rms deviation from the mean wavefront. We want to specify the small scale (1 cm) surface roughness so that no more than 3% of the light is scattered outside ...