Help


[permalink] [id link]
+
Page "Adaptive optics" ¶ 0
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

deformable and mirror
In the summer of 2010, the " First Light Adaptive Optics " ( FLAO )-an adaptive optics system with a deformable secondary mirror rather than correcting atmospheric distortion further downstream in the optics-was inaugurated.
The light first hits a tip – tilt ( TT ) mirror and then a deformable mirror ( DM ) which corrects the wavefront.
Adaptive optics works by measuring the distortions in a wavefront and compensating for them with a device that corrects those errors such as a deformable mirror or a liquid crystal array.
Because of this, most AO systems use a tip – tilt mirror first, followed by a deformable mirror for higher-order correction.
This first attempt did not utilize wavefront-detecting technology with its deformable mirror and estimated aberrations through pre-measured factors such as astigmatism.
The addition of microelectricalmechanical ( MEMs ) mirrors instead of larger, more expensive mirror deformable mirror systems to the apparatus made AOSLO further usable for a wider range of studies and for use in patients.
Additionally, the light is reflected off of a deformable mirror before and after exposure to the eye to diffuse optical aberrations.
The secondary mirror is actively controlled by a double deformable platform ( hexapod ) able to tilt the mirror during exposure.
Currently, the SST is operating with an adaptive optics system with a 37-actuator deformable mirror from AOPTIX, although upgrades are underway.
AEOS is equipped with an adaptive optics system, the heart of which is a 941-actuator deformable mirror that can change its shape to remove the atmosphere's distorting effects.
In late 2002, a novel deformable secondary mirror was added to the telescope.

deformable and can
This can produce interesting visual effects, although the resulting fabric is more rigid, because the slipped stitch " pulls " on its neighbours and is less deformable.
The fully deformable landscape can be radically altered by the use of weapons, often requiring players to scrap their plans and adopt new strategies to cope with the changes.
In a realistic sense, all things can be deformable, however this impact is minimal and negligible.
These sickle shaped red cells are less deformable and viscoelastic meaning that they have become rigid and can cause blood vessel blockage, pain, strokes, and other tissue damage.
In the case of deformable bodies such as cloth simulation, it may not be possible to use a more specific pairwise pruning algorithm as discussed below, and an n-body pruning algorithm is the best that can be done.
A deformable composite backing plate can combine the function of a metal backing plate and an elastic layer.
IFs are rather deformable proteins that can be stretched several times their initial length.
Its premise was an array of AFM tips which can heat / sense a deformable substrate in order to function as a memory device.
Map terrain in Tiberian Sun is deformable and interactive ; bombarding the soil with explosive weapons results in the formation of craters of varying depths, bridges in urban areas can be destroyed and re-built, and certain tiberium fields can ( intentionally or accidentally ) be detonated, all of which have strategic impacts on gameplay.
* The image of deformable objects can be covered with a mesh, the motion of the object is defined by the position of the nodes of the mesh.

deformable and be
Plastic Slinkys are more flexible and less deformable, allowing them to be more easily reversed end-to-end without tangling.
A non-rigid or deformable body may be thought of as a collection of many minute particles ( infinite number of DOFs ); this is often approximated by a finite DOF system.
When motion involving large displacements is the main objective of study ( e. g. for analyzing the motion of satellites ), a deformable body may be approximated as a rigid body ( or even a particle ) in order to simplify the analysis.

deformable and used
* Point distribution model, deformable contour model ( used in Computer Vision )
* Active shape model, a deformable contour model used in computer vision
* Procedural animation: traditionally used in non-realtime media ( film / TV / etc ), this technique ( used in the Medal of Honor series starting from European Assault onward ) employs the use of multi-layered physical models in non-playing characters ( bones / muscle / nervous systems ), and deformable scenic elements from " simulated materials " in vehicles, etc.
* indium: Indium is commonly used as a deformable gasket material for vacuum seals, especially in cryogenic apparatus, but its low melting point prevents use in baked systems.
Radial flow impellers impose essentially shear stress to the fluid, and are used, for example, to mix immiscible liquids or in general when there is a deformable interface to break.
Other important contributions were made by Laue ( 1911, 1913 ), who used the spacetime formalism to create a relativistic theory of deformable bodies and an elementary particle theory.
For the first time, a Mercedes-Benz sedan was not equipped with traditional chrome bumpers ; polyurethane deformable bumpers were used, and visually aligned with body panels.
Here a deformable membrane with a single nano-size aperture is used in order to characterize individual nano-scale particles during their transition across driven by either pressure or an electric field.

deformable and correct
* Multi-conjugate Adaptive optics Demonstrator, astronomical method of using multiple guide stars and deformable mirrors to sense and correct for the distortions produced by turbulence in Earth's atmosphere

deformable and .
Continuum mechanics deals with deformable bodies, as opposed to rigid bodies.
A solid is a deformable body that possesses shear strength, sc.
They typically are deformable under stress without cleaving.
* Breaking-in: some shoes are made of hard but deformable material.
Players control a small platoon of earthworms across a deformable landscape, battling other computer-or player-controlled teams.
Also, a free open-source physics library for 3D deformable object simulation Vega FEM has been named after Jurij Vega.
* Shi, G, Discontinuous deformation analysis – A new numerical model for the statics and dynamics of deformable block structures, 16pp.
Overall, mammalian erythrocytes are remarkably flexible and deformable so as to squeeze through tiny capillaries, as well as to maximize their apposing surface by assuming a cigar shape, where they efficiently release their oxygen load.
A more flexible definition of shape takes into consideration the fact that realistic shapes are often deformable, e. g. a person in different postures, a tree bending in the wind or a hand with different finger positions.
The collision detection algorithm doesn't need to understand friction, elastic collisions, or worse, nonelastic collisions and deformable bodies.
However, in many applications, individual objects ( if they are not too deformable ) are described by a set of smaller primitives, mainly triangles.
X-ray active optics, using actively deformable grazing incidence mirrors, are also being investigated.

0.149 seconds.