.png){kind=icon}
.png){kind=icon}
Return
Optical space telescope without mirrors
.png){kind=icon}
PRE
AI
DOI：10.1117/12.2561673.png)
.png){kind=icon}
Original request for help.png){kind=icon}
Share.png){kind=icon}
Save
Abstract
En 中文
A notional space telescope without any mirrors or lenses is being investigated. DUET (Dual Use Exoplanet Telescope) has a gossamer membrane annular Gabor Zone Plate primary objective that is flat. Highly chromatic stellar imagery is disambiguated in a secondary also made from diffractive elements. The data acquired is intrinsically spectrographic and could (1) detect radial velocity below 5 cm/sec and (2) take direct spectra of a systems exoplanets. DUET is intended as a follow-up to a survey telescope, THE MOST, being developed in tandem which will identify target stellar systems with earth-like exoplanets. DUET observes one star at a time, integrating its light until the exoplanetary system is resolved. DUET utilizes a battery of coronographic methods including angular differential imaging, interferometric nulling, and phased Fraunhofer line subtraction. The potential performance has been given preliminary laboratory tests which are detailed in Conference AS11451-192.
Keywords:
exoplanet
spectroscopy
holography
Gabor Zone Plate
Newton Prism Experiment
Dittoscope
Journal
S
IF:
0
Papers:
2
Citations:
0