Simple Fourier optics formalism for high-angular-resolution systems and nulling interferometry
نویسندگان
چکیده
منابع مشابه
High Angular Resolution Coronography for Adaptive Optics 1
Recent adaptive optics systems in astronomy achieve high-angular resolution. With the extreme stability of the images, detection at very low uxes can be reached using a coronograph at the diiraction limit of the telescopes. This paper is an overview of the issues of stellar coronography used at the diiraction limit. Image formation through such a system is illustrated by numerical simulations. ...
متن کاملX-ray interferometry with transmissive beam combiners for ultra-high angular resolution astronomy
Interferometry provides one of the possible routes to ultra-high angular resolution for X-ray and gamma-ray astronomy. Sub-micro-arc-second angular resolution, necessary to achieve objectives such as imaging the regions around the event horizon of a super-massive black hole at the center of an active galaxy, can be achieved if beams from parts of the incoming wavefront separated by 100s of mete...
متن کاملTwo-Photon Interferometry for High-Resolution Imaging
We discuss the advantages of using non-classical states of light for two aspects of optical imaging: the creation of microscopic images on photosensitive substrates, which constitutes the foundation for optical lithography, and the imaging of microscopic objects. In both cases, the classical resolution limit given by the Rayleigh criterion is approximately half of the optical wavelength. It has...
متن کاملBirefringent Achromatic Phase Shifters for Nulling Interferometry and Phase Coronagraphy
Achromatic Phase Shifters are mandatory components in the field of nulling interferometry and phase coronagraphy. Indeed, in order to detect faint objects (e.g. exo-planets) around a central bright star, one must attenuate the latter by all means. To do this, the most efficient way is to “create” a destructive interference on the blinding light. This technique is called nulling and is common to...
متن کاملHigh angular resolution imaging with stellar intensity interferometry using air Cherenkov telescope arrays
Optical stellar intensity interferometry with air Cherenkov telescope arrays, composed of nearly 100 telescopes, will provide means to measure fundamental stellar parameters and also open the possibility of model-independent imaging. In addition to sensitivity issues, a main limitation of image recovery in intensity interferometry is the loss of phase of the complex degree of coherence during t...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Optical Society of America A
سال: 2010
ISSN: 1084-7529,1520-8532
DOI: 10.1364/josaa.27.000435