title: Controlling total spot power from holographic laser by superimposing a binary phase grating.
abstract: By superimposing a tunable binary phase grating with a conventional computer-generated hologram, the total power of multiple holographic 3D spots can be easily controlled by changing the phase depth of grating with high accuracy to a random power value for real-time optical manipulation without extra power loss. Simulation and experiment results indicate that a resolution of 0.002 can be achieved at a lower time cost for normalized total spot power.
authors.affiliation: Institute of Ultra-Precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin, China. smartbirdlx@gmail.com
authors.forename: Xiang
authors.initials: X
authors.lastname: Liu
authors.forename: Jian
authors.initials: J
authors.lastname: Zhang
authors.forename: Yu
authors.initials: Y
authors.lastname: Gan
authors.forename: Liying
authors.initials: L
authors.lastname: Wu
mesh_terms: D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D006696:Holography / Q000295:instrumentation*; D007089:Image Enhancement / Q000295:instrumentation*; D007834:Lasers; D008029:Lighting / Q000295:instrumentation*; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*