Reflective optical system, tracking system and holographic projection system and method

Holographic projection system for projecting a holographically reconstructed scene, comprising

• Reconstruction light source means for generating reconstruction light waves,
• At least one holographic reconstruction means in the form of a spatial light modulator for modulating the reconstruction light waves and for emitting modulated reconstruction light waves towards a pupil, which is disposed in a Fourier plane of the spatial light modulator for filtering the modulated reconstruction light waves, and further comprising
• An optical reflection system with
• A reflection element for reflecting the modulated reconstruction light waves which are filtered by the pupil, said reflection element having an elliptically curved reflecting surface with an entry-side focal point disposed in the pupil, from which the reconstruction light waves come when they hit the reflection element, and an exit-side focal point, to which the reconstruction light waves propagate after being reflected from the reflection element, and in front of which the scene is holographically reconstructed,
• A deflection element with optically controllable deflection properties, and
• A deflection control means for optically controlling the deflection properties of the deflection element for controlling the position of the exit-side focal point to a position of observer eyes as detected by an eye position detection means.