Coronagraphic low-order wave-front sensor: Principle and application to a phase-induced amplitude coronagraph

Keyphrases

• Lower Order 100%
• Coronagraph 100%
• Wavefront Sensor 100%
• Phase Apodization 60%
• Aberrations 40%
• Focal Plane 40%
• Wavefront Aberration 40%
• Low-order Aberration 40%
• High Performance 20%
• Optics 20%
• Order of Magnitude 20%
• Highly Accurate 20%
• Starlight 20%
• Coronagraphic Imaging 20%
• Beam Shaping 20%
• Defocused Image 20%
• High Contrast 20%
• Easy-to-implement 20%
• Optical Element 20%
• Pointing Error 20%
• Inner Working Angle 20%
• Detector Elements 20%
• Pointing Stability 20%
• Accurate Calibration 20%
• Laboratory Demonstration 20%
• Focal Plane Mask 20%
• Optimal Sensitivity 20%
• Nearly Optimal 20%
• Non-common Path Error 20%
• Telescope Pointing 20%

Physics

• Coronagraphs 100%
• Wave Front 100%
• Apodization 42%
• Optics 14%
• Pointing Error 14%