Maximized diffraction efficiency for integrated volume grating instruments

Zhifang Chai; De'an Liu; Liren Liu; Ya'nan Zhi

doi:10.1117/12.794661

25 August 2008 Maximized diffraction efficiency for integrated volume grating instruments

Zhifang Chai, De'an Liu, Liren Liu, Ya'nan Zhi

Proceedings Volume 7056, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II; 70561D (2008) https://doi.org/10.1117/12.794661
Event: Photonic Devices + Applications, 2008, San Diego, California, United States

Abstract

High diffraction efficiency of each grating is desired to reduce light intensity loss when gratings are integrated to realize miniaturization for 3-D optical instruments in LiNbO₃ crystals. Based on jointly solving the two-center material equations, oscillating behavior of diffraction efficiency during recording and erasing process is investigated theoretically to realize maximized diffraction efficiency for integrated volume grating instruments in weak oxidized doubly-doped LiNbO₃:Fe:Mn crystals. Two nonvolatile gratings are integrated and nonvolatile diffraction efficiency for each grating exceeds 60%. These methods depend on the dopant elements and its concentrations, annealing (or oxidation-reduction) in doubly-doped LiNbO₃ crystals, and recording and sensitizing intensities and wavelengths. The experimental investigation will be performed to verify the calculated results.

Citation Download Citation

Zhifang Chai, De'an Liu, Liren Liu, and Ya'nan Zhi "Maximized diffraction efficiency for integrated volume grating instruments", Proc. SPIE 7056, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II, 70561D (25 August 2008); https://doi.org/10.1117/12.794661

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