WFPC2 has corrective figures on the relay secondary mirrors where the primary mirror is imaged; this optical correction recovers near-diffraction limited images over the entire CCD fields-of-view. Proper correction requires tight optical alignment tolerances, which are facilitated on-orbit by actuated optics. ... Alignment stability error . ... The optical design of WFPC2 creates an image of the OTA primary mirror near the surface of the relay Cassegrain secondary mirror in each of its channels. ...

SCORPIO optical design . (1) - tip-tilt system (it is under construction) . (2) - calibration beam . (3) - mirror . (4) - field lens . (5) - collimator . (6) - camera . (7) - Fabry-Perot Interferometer . (8) - grism . (9) - filter's wheels . (9) - Fabry-Perot Interferometer . (10) - CCD . (11) - multislit

The optical scheme of the instrument is sketched in Figure 1 , it is designed to match the F/20 focal ratio of the TIRGO telescope. We have, following the optical path, the window of the dewar, the order sorting filter (not in figure), a field lens, in Calcium Floride, and the slit, in the focal plane of the telescope. ... The resolving power is (for first order of grating) of about 600 in the center of J band and 950 in the center of the K band, using a slit of two pixel (3.46 arcsec). ...

SCORPIO optical design . (1) - tip-tilt system (it is under construction) . (2) - calibration beam . (3) - mirror . (4) - field lens . (5) - collimator . (6) - camera . (7) - grism . (8) - filter's wheels . (9) - multislit . (10) - CCD .

Telescope Tip-Tilt Secondary Mirror The tip-tilt secondary mirror on the ANU 2.3 m telescope · Measures and adjusts image position at 30 Hz · Corrects image blur produced by turbulence in the Earth's atmosphere · Both the tip-tilt secondary mirror and the 2.3 m telescope were designed and constructed by RSAA ...

... In laboratory the design and a manufacturing techniques mirror aspherical optics are developed ("fokon", ellipsoid, aspherical mirror).Such optical elements are made of widespread aluminium alloys on the standard equipment without use diamond turning. ... Using: optical blocks of not image optical devices for transitions, collimation, focus (concentration) radiations in a wide spectral range from UV to IR. Focusing and collimation of light; . ... circle aperture/ring aperture; . ... Back Forward . ...

... Public . Science . ... Science Users Information Future Facilities and Development E-ELT jump to navigation jump to content . ... Science with E-ELT . The Telescope . ... Observing with ESO Telescopes . ... Publications with ESO Data . ... Between the end of 2010 and the summer 2011, the E-ELT project extended the detailed design phase in order to consider the recommendations of the E-ELT Design Review, and in June 2011 the ESO Council endorsed a revised baseline design for the E-ELT. ...

... The collecting area is increased by nesting concentric mirror pairs, all having the same focal length. ... Figure shows the largest optical element being ground at HDOS. ... X-ray testing demonstrated that the CXO mirrors are indeed the largest high-resolution X-ray optics ever made; the nominal effective area (based on the ground calibrations) is shown as a function of energy in the left panel of Figure , along with those of their Einstein and ROSAT predecessors. ...

... 1100 FTT/NAS . ... 1120 Camera . ... 1140 Camera Mount & Enclosure . ... 1170 Test Equipment . ... 1200 FLC . ... MRO-PLA-CAM-0000-0106 FTT/NAS & FLC Development Plan . ... MRO-ICD-CAM-1000-0109 "FTT/NAS,FLC-UTE" FTT/NAS & FLC to Enclosure ICD . MRO-ICD-CAM-1000-0110 "FTT/NAS,FLC-NOT" FTT/NAS & FLC to optical table ICD . MRO-ICD-CAM-1000-0111 "FTT/NAS,FLC-UT" FTT/NAS & FLC to UT optical ICD . ... Printable View of http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/pmwiki.php/MROIFastTipTilt/DocMan) ...

We have designed the laboratory model of static Fourier spectrometer for onboard usage for spectral study of atmosphere and ionosphere. The gain of model is to simulate onboard FS which will not have any moving elements (all its optical elements will be mounted at fused quartz monolithic construction), to compare experimental results with theoretical estimations and to measure MTF of CCD array. ... This fact connected with low frequency response of CCD array due to small format of it. ...

... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... Meade Series 5000 2" Enhanced Diagonal Mirror with SC adapter . ... Meade Series 5000 2" Enhanced Diagonal Mirror #07680. ...

... Plug-plate cartridges and science fiber harnesses . ... Array 19891124 Comments on Plug Board Design 19891228 Large Capacity Archival Data Storage 19910126 Imaging Survey Plan 19910528 Telescope enclosure and site development 19910801 IR All-Sky Camera 19910814 Mechanical Properties of Ribbed Plastic Sleeves 19910912 Bending and Drilling Aluminum Plug Plates 19911019 Fiber Positioning System for the SDSS * 19920608 Telescope Tracking Smoothness 19920916 Results of the 1/92 Fermilab ...

... 400mm f/2.8 Nikor lens: images the sky on the entrance slit. ... The optical system maintains image quality along the slit length so that each row of the image is a spectrum of that spatially selected region of the sky. 180mm f/2.8 Nikor lens: collimates the light from the slit. ... The auxiliary optical platform on WISPI now accomodates a short focal lens and a guiding/imaging video system that may use sub-pixel corrections to provide feedback to the tracking drive motors. ...

RECREATIONAL TELESCOPES . ... TELESCOPES . ... Home Products Telescopes Spotting scopes ASTELE™ 95 . ... The ASTELE? 95 is a versatile astronomical telescope, spotting scope and telephoto lens that can be used for astronomy, target spotting, bird watching, nature studies etc. ... This design uses a meniscus optical correcting lens which produces the highest possible quality image with it’s primary mirror, and which seals the telescope from dust, dirt, etc., contaminating the optics of this instrument. ...

Optical design and verification of the sub-millimeter limb sounder TELIS P. Yagoubov1, G. de Lange1, A. Baryshev2, R. Hesper2, V. Koshelets3, G ... IREE, Russia 4Institute for Remote Sensing Technology, DLR, Germany 5Institute of Applied Physics, University of Bern, Switzerland Vertical scan , mm Vertical scan , mm TELIS (Terahertz and submm Limb Sounder) is a cooperation between European institutes, DLR, RAL and SRON, to build a three- ... SIR cold channel phase distribution. ...

... Design of Imaging Optics . Analyzing Optics . ... The high resolution near infrared camera (CONICA) for the first VLT unit telescope is under development. It serves as a multi-mode instrument for the wavelength region between 1.0 and 5.0 microns, providing diffraction-limited spatial resolution when combined with the adaptive optic system NAOS of the VLT (Rosset et al. ... VLT instrumentation, ALADDIN InSb detector, NIR imaging, NIR spectroscopy, re-imaging optics, IR optics . ...

RTT150 . Russian-Turkish 1.5-m Telescope . ... Telescope has two main foci (Cassegrain and Coude ) and allows to use six optical systems based on Ritchey-Chretien system with a common main mirror . At present scientific observations are being performed at the Cassegrain focus in main optical scheme with focal ratio of 1:7.7. ... flat . ... To use the Coude focus the removable flat diagonal mirror is also needed in the crossing point of declination axis and main optical axis of telescope. ...

... Required coalignment to mirrors ~100µm Coalignment and pencil beam Accurate positioning of the X-ray baffle with respect to the centre of the mirror system was achieved by taking as reference the location of the centre of the mirror system - defined by two reference points on the Mirror Module structure and the location of the centre of the X-ray baffle defined by two reference points on the X-ray baffle structure and then performing the corresponding alignment of those reference points. ...

OSLO LT V5.4 Optical Software For Layout And Optimization . Articles | ... Has anyone out there tried to raytrace a telescope design? ... OSLO LT keeps track of the optical path length each ray travels, so it knows the phase relationship of the light as it travels through the telescope. ... Through the use of OSLO LT, I've been able to refine the optical design of the telescope I'm working on. ... www.astronomy.net . About Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Comments on Mark Walker's Catadioptric Camera for the SKA Element Antenna Graeme James 25 May 2001 Mark Walker has suggested in [1] a catadioptric * optical design as a possible solution to the SKA antenna problem. ... Firstly, for a given collecting area, the physical size of the Luneburg lens and the correcting lens in the catadioptric design in Fig. 1 will be identical. To a good approximation, this correcting lens is in fact a Luneburg lens with a long focal length. ...