Incoherent digital holographic adaptive optics with enhanced operation speed

Xiaole Guo; Yuhong Wan; Tianlong Man; Fan Wu

doi:10.1117/12.2071867

11 November 2014 Incoherent digital holographic adaptive optics with enhanced operation speed

Xiaole Guo, Yuhong Wan, Tianlong Man, Fan Wu

Proceedings Volume 9271, Holography, Diffractive Optics, and Applications VI; 927112 (2014) https://doi.org/10.1117/12.2071867
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

Incoherent digital holographic adaptive optics (IDHAO) is a new technology of wavefront sensing and correction. However, the process of the holographic wavefront sensing needs to record digital holograms of object and a guide star independently which reduces the speed of sensing. We present a method for enhancing the operation speed of the IDHAO in this paper. The effects of the size of guide star hologram and the minimum resolvable size of discrete object on compensation of wavefront aberration are discussed. We find that for a discrete object, the hologram of guide star can be extracted from the hologram of the incoherent object. The operation speed of IDHAO system can be enhanced for discrete object by this method. This study improves the potential applications of IDHAO in the field of astronomical observation and so on.

Citation Download Citation

Xiaole Guo, Yuhong Wan, Tianlong Man, and Fan Wu "Incoherent digital holographic adaptive optics with enhanced operation speed", Proc. SPIE 9271, Holography, Diffractive Optics, and Applications VI, 927112 (11 November 2014); https://doi.org/10.1117/12.2071867

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