Generating arbitrary laser beam shapes through phase-mapped designed beam splitting

Autor(es)

Silva, Pedro Faleiros ; Muniz, Sergio Ricardo ; IEEE

• Tipo de documento: Artigo Científico
• Fonte: 2021 SBFOTON INTERNATIONAL OPTICS AND PHOTONICS CONFERENCE (SBFOTON IOPC); v. N/A, p. 4-pg., 2021-01-01.

Resumo

We describe a method to generate high-definition arbitrary laser beam shapes and profiles useful to many applications, ranging from optical patterning and lithography to optical trapping of microscopic particles and ultracold atoms. The phase contrast between a binary grating and a targeted intensity distribution is encoded on a spatial light modulator to control light diffraction, producing very sharp, speckles-free, and smooth images. Besides simplicity, not requiring additional phase-plates, the method provides straightforward encoding of images onto phase-only masks by a direct pixel mapping, allowing simpler feedback schemes to correct and control light distributions and optical potentials in real-time. (AU)

• Processo FAPESP: 19/27471-0 - Desenvolvimento de novas plataformas experimentais para o estudo de nanotermodinâmica e a relação informação-energia na interface clássico-quântica
• Beneficiário: Sérgio Ricardo Muniz
• Modalidade de apoio: Auxílio à Pesquisa - Regular