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Adaptive optics (AO) is a technique of precisely deforming a mirror in order to compensate for light distortion. It is used in astronomical telescopes [ 1 ] and laser communication systems to remove the effects of atmospheric distortion , in microscopy, [ 2 ] optical fabrication [ 3 ] and in retinal imaging systems [ 4 ] to reduce optical ...
Thorlabs, Inc. is an American privately held optical equipment company headquartered in Newton, New Jersey. [2] The company was founded in 1989 by Alex Cable , who serves as its current CEO . His daughter, Jennifer Cable, serves as president. [ 3 ]
By 2004, Thorlabs had estimated annual sales of $50 million and was expanding into Europe. [5] By 2010, sales had reached $125 million annually. [ 2 ] As of 2013, the company produced approximately 20,000 unique products and employed 1,000 people. [ 3 ]
Deformable mirrors are used in combination with wavefront sensors and real-time control systems in adaptive optics. In 2006 they found a new use in femtosecond pulse shaping. [1] The shape of a DM can be controlled with a speed that is appropriate for compensation of dynamic aberrations present in the optical system.
Powerful laser guide star system at the Paranal Observatory. The actual laser guide star is the small spot above the apparent end of the laser beam. A laser guide star is an artificial star image created for use in astronomical adaptive optics systems, which are employed in large telescopes in order to correct atmospheric distortion of light (called astronomical seeing).
They are also commonly used in adaptive optics, where they can be used to characterize atmospheric distortion. Obvious applications for this are IR or visual astronomy and satellite imagery . Another application of the Zernike polynomials is found in the Extended Nijboer–Zernike theory of diffraction and aberrations.
A builder who committed the "bloodthirsty" murder of a 38-year-old woman and then dismembered her body has been jailed for the rest of his life.
The development of optical cage systems began with "optical erector sets": educational toys designed for children.These injection-molded plastic kits allowed the child to construct various optical instruments such as a telescope, microscope, and spectroscope.