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Based on the coupled-wave theory, a holographic spatial walk-off polarizer (HSWP) is designed. This HSWP is a transmission-type phase volume holographic grating on a substrate and its optical recording geometry can be derived from Chen's corrected methodology with a desired reconstruction condition. A pair of fabricated HSWPs with the splitting angle of 60° is applied to assemble a new type of 4-port polarizationindependent optical circulator. The operating principles and the characteristics ofdoi:10.1364/oe.11.002001 pmid:19466086 fatcat:g5jjv5f6sfca3knxzgzbejswsi