Astronomical coronagraphy with high-order adaptive optics systems

Details Astronomical coronagraphy with high-order adaptive optics systems Astronomical coronagraphy with high-order adaptive optics systems

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001spie.4490..290l&link_type=abstract

Proc. SPIE Vol. 4490, p. 290-297, Multifrequency Electronic/Photonic Devices and Systems for Dual-Use Applications, Andrew R. Pi

Statistics

Applications

5

Scientific paper

Space surveillance systems have recently been developed that exploit high order adaptive optics systems to take diffraction limited images in visible light on 4 meter class telescopes. Most astronomical targets are faint, thus driving astronomical AO systems towards larger subapertures, and thus longer observing wavelengths for diffraction limited imaging at moderate Strehl ratio. There is, however, a particular niche that can be exploited by turning these visible light space surveillance systems to astronomical use at infrared wavelengths. At the longer wavelengths, the Strehl ratio rises dramatically, thus placing more light into the diffracted Airy pattern compared to the atmospheric halo. A Lyot coronagraph can be used to suppress the diffracted light from an on axis star, and observe faint companions and debris disks around nearby, bright stars. These very high contrast objects can only be observed with much higher order adaptive optics systems than are presently available to the astronomical community. We describe simulations of high order adaptive optics coronagraphs, and outline a project to deploy an astronomical coronagraph at the Air Force AEOS facility at the Maui Space Surveillance System.

Affiliated with

Also associated with

No associations

Rating

Astronomical coronagraphy with high-order adaptive optics systems does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Astronomical coronagraphy with high-order adaptive optics systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Astronomical coronagraphy with high-order adaptive optics systems will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1375673