{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["11(3)"],"submitter":["Liu Y"],"pubmed_abstract":["Silica microlens arrays (MLAs) with multiple numerical-apertures (NAs) have high thermal and mechanical stability, and have potential application prospects in 3D display and rapid detection. However, it is still a challenge to rapidly fabricate silica MLAs with a larger range of NAs and how to obtain multiple NAs in the same aperture diameter. Here, a wet etching assisted spatially modulated femtosecond laser pulse fabricating technology is proposed. In this technology, Gaussian laser pulse is modulated in the axial direction to create a pulse with a large aspect ratio, which is used to modify the silica to obtain a longer modification distance than traditional technology. After that, a microlens with a larger NA can be obtained by etching, and the NA variable range can be up to 0.06-0.65,"],"journal":["Nanophotonics (Berlin, Germany)"],"pagination":["571-581"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11501908"],"repository":["biostudies-literature"],"pubmed_title":["Morphology adjustable microlens array fabricated by single spatially modulated femtosecond pulse."],"pmcid":["PMC11501908"],"pubmed_authors":["Liu Y","Li X","Yao Z","Huang J","Zhou S","Wang Z","Qin B"],"additional_accession":[]},"is_claimable":false,"name":"Morphology adjustable microlens array fabricated by single spatially modulated femtosecond pulse.","description":"Silica microlens arrays (MLAs) with multiple numerical-apertures (NAs) have high thermal and mechanical stability, and have potential application prospects in 3D display and rapid detection. However, it is still a challenge to rapidly fabricate silica MLAs with a larger range of NAs and how to obtain multiple NAs in the same aperture diameter. Here, a wet etching assisted spatially modulated femtosecond laser pulse fabricating technology is proposed. In this technology, Gaussian laser pulse is modulated in the axial direction to create a pulse with a large aspect ratio, which is used to modify the silica to obtain a longer modification distance than traditional technology. After that, a microlens with a larger NA can be obtained by etching, and the NA variable range can be up to 0.06-0.65,","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Jan","modification":"2025-04-27T02:15:32.45Z","creation":"2025-04-06T18:30:48.531Z"},"accession":"S-EPMC11501908","cross_references":{"pubmed":["39633795"],"doi":["10.1515/nanoph-2021-0629"]}}