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- W4301685909 abstract "The aim of this article is to visually demonstrate the utilization of an interferometric method for encoding complex fields associated with coherent laser radiation. The method is based on the coherent sum of two uniform waves, previously encoded into a phase-only spatial light modulator (SLM) by spatial multiplexing of their phases. Here, the interference process is carried out by spatial filtering of light frequencies at the Fourier plane of certain imaging system. The correct implementation of this method allows arbitrary phase and amplitude information to be retrieved at the output of the optical system. It is an on-axis, rather than off-axis encoding technique, with a direct processing algorithm (not an iterative loop), and free from coherent noise (speckle). The complex field can be exactly retrieved at the output of the optical system, except for some loss of resolution due to the frequency filtering process. The main limitation of the method might come from the inability to operate at frequency rates higher than the refresh rate of the SLM. Applications include, but are not limited to, linear and non-linear microscopy, beam shaping, or laser micro-processing of material surfaces." @default.
- W4301685909 created "2022-10-05" @default.
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- W4301685909 date "2019-01-28" @default.
- W4301685909 modified "2023-09-30" @default.
- W4301685909 title "Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator" @default.
- W4301685909 doi "https://doi.org/10.3791/59158-v" @default.
- W4301685909 hasPublicationYear "2019" @default.
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