An actuated micro-grating on a micro-optical bench is achieved using micro-machining process. The device switches between the single beam and multiple beams, and can be applied for writing and reading data in the disc, respectively.
© 2007 OSA
(130.0130) Integrated optics : Integrated optics
(130.1750) Integrated optics : Components
(210.0210) Optical data storage : Optical data storage
(210.4770) Optical data storage : Optical recording
C. Lee, Y. Chiu, and H. Shieh, " Micro Actuated Grating for Multi-Beam Optical Pickups," in Optical Data Storage, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper MC3.