Results 11 to 20 of about 5,111 (331)

Mid-infrared guided optics: a perspective for astronomical instruments [PDF]

open access: goldOptics Express, 2009
Research activities during the last decade have shown the strong potential of photonic devices to greatly simplify ground based and space borne astronomical instruments and to improve their performance.
Oswald Wallner, Lucas Labadie
exaly   +3 more sources

Integrated optics for astronomical interferometry [PDF]

open access: yesAstronomy & Astrophysics, 2001
We present in this paper the astronomical validation of a new approach to interferometric starlight com- bination. Using integrated optics technologies developed by the telecommunication industry, we have implemented optical circuits on coin-size chips that combine two beams and provide simultaneous photometric calibration sig- nals.
J. P. Berger   +8 more
openaire   +3 more sources

Astronomical Imaging... Atmospheric Turbulence? Adaptive Optics! [PDF]

open access: green, 2013
This course/paper deals with adaptive optics in the framework of astronomical imaging. It does not pretend to be an exhaustive course of astronomical adaptive optics.
M. Carbillet
openalex   +4 more sources

Astronomical phenomena: events with high impact factor in teaching optics and photonics [PDF]

open access: bronze, 2014
Astronomical phenomena fascinate people from the very beginning of mankind up to today. They have a enthusiastic effect, especially on young people. Among the most amazing and well-known phenomena are the sun and moon eclipses.
Dan Curticapean
openalex   +3 more sources

Astronomical quantum optics with Extremely Large Telescopes [PDF]

open access: bronze, 2005
A programme has been started to investigate photon properties that are not currently exploited in astronomical instruments, namely second- and higher-order coherence functions encoded in their arrival time, and the orbital angular momentum.
Dainis Dravins   +8 more
openalex   +4 more sources

Optique adaptative et telescopes geants

open access: yesComptes Rendus. Mécanique, 2023
Adaptive optics (AO), now installed on all the astronomical ground-based telescopes, make it possible to overcome the angular resolution limitations imposed by atmospheric turbulence.
Fusco, Thierry
doaj   +1 more source

Introduction to the Special Issue on Structured Light Coherence

open access: yesPhotonics, 2021
Statistical optics, and optical coherence in particular, developed into a stand-alone branch of physical optics in the second half of the 20th century and has found a number of ground-breaking applications in astronomical measurements, medical ...
Olga Korotkova, Franco Gori
doaj   +1 more source

Nanoengineered astronomical optics [PDF]

open access: yesAstronomy & Astrophysics, 2004
We describe a technology for the fabrication of inexpensive and versatile mirrors through the use of a new type of nanoengineered optical material composed by the spreading of a self-assembling reflective colloidal film spread at the surface of a liquid. These new reflecting liquids offer interesting possibilities for astronomical instrumentation.
Borra, E. F.   +7 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy