Angle amplifier based on multiplexed volume holographic gratings

Liangcai Cao; Yifei Zhao; Qingsheng He; Guofan Jin

doi:10.1117/12.760261

4 January 2008 Angle amplifier based on multiplexed volume holographic gratings

Liangcai Cao, Yifei Zhao, Qingsheng He, Guofan Jin

Proceedings Volume 6832, Holography and Diffractive Optics III; 683216 (2008) https://doi.org/10.1117/12.760261
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

Angle amplifier of laser beam scanner is a widely used device in optical systems. Volume holographic optical elements can be applied in the angle amplifier. Compared with the traditional angle amplifier, it has the advantages of high angle resolution, high diffraction efficiency, small size, and high angle magnification and flexible design. Bragg anglewavelength- compensating recording method is introduced. Because of the Bragg compensatory relation between angle and wavelength, this device could be recorded at another wavelength. The design of the angle amplifier recording at the wavelength of 514.2nm for the working wavelength of 632.8nm is described. An optical setup for recording the angle amplifier device is designed and discussed. Experimental results in the photorefractive crystal Fe:LiNbO₃ demonstrate the feasibility of the angle amplifier scheme.

Citation Download Citation

Liangcai Cao, Yifei Zhao, Qingsheng He, and Guofan Jin "Angle amplifier based on multiplexed volume holographic gratings", Proc. SPIE 6832, Holography and Diffractive Optics III, 683216 (4 January 2008); https://doi.org/10.1117/12.760261

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