TY - JOUR AU - Quiroga Mellado, Juan Antonio AU - Vargas Balbuena, Javier AU - Sánchez Sorzano, Carlos Óscar AU - Estrada, Julio C. AU - Carazo García, José María PY - 2012 DO - 10.1364/OL.37.000443 SN - 0146-9592 UR - https://hdl.handle.net/20.500.14352/43906 T2 - Optics Letters AB - This Letter presents an efficient, fast, and straightforward two-step demodulating method based on a Gram-Schmidt (GS) orthonormalization approach. The phase-shift value has not to be known and can take any value inside the range (0, 2 π) excluding... LA - eng M2 - 443 PB - The Optical Society Of America KW - Phase-Shifting Interferometry KW - Algorithm TI - Two-step demodulation based on the Gram-Schmidt orthonormalization method TY - journal article VL - 37 ER -