Hellmann R - Search Results

1

Preparation of Dispersed Copper(II) Oxide Nanosuspensions as Precursor for Femtosecond Reductive Laser Sintering by High-Energy Ball Milling.

Bischoff K, Esen C, Hellmann R. Bischoff K, et al. Among authors: hellmann r. Nanomaterials (Basel). 2023 Oct 2;13(19):2693. doi: 10.3390/nano13192693. Nanomaterials (Basel). 2023. PMID: 37836334 Free PMC article.

2

Hypersensitive H₂ sensor based on polymer planar Bragg gratings coated with Pt-loaded WO₃-SiO₂: erratum.

Kefer S, Dai J, Yang M, Schmauss B, Hellmann R. Kefer S, et al. Among authors: hellmann r. Opt Lett. 2020 Aug 15;45(16):4498. doi: 10.1364/OL.401819. Opt Lett. 2020. PMID: 32796992

3

Waveguide Bragg gratings in Ormocer hybrid polymers.

Girschikofsky M, Förthner M, Rommel M, Frey L, Hellmann R. Girschikofsky M, et al. Among authors: hellmann r. Opt Express. 2016 Jun 27;24(13):14725-36. doi: 10.1364/OE.24.014725. Opt Express. 2016. PMID: 27410626 Free article.

4

Advancing the sensitivity of integrated epoxy-based Bragg grating refractometry by high-index nanolayers.

Hessler S, Knopf S, Rommel M, Girschikofsky M, Schmauss B, Hellmann R. Hessler S, et al. Among authors: hellmann r. Opt Lett. 2020 Oct 1;45(19):5510-5513. doi: 10.1364/OL.402768. Opt Lett. 2020. PMID: 33001933

5

Femtosecond laser direct generation of 3D-microfluidic channels inside bulk PMMA.

Roth GL, Esen C, Hellmann R. Roth GL, et al. Among authors: hellmann r. Opt Express. 2017 Jul 24;25(15):18442-18450. doi: 10.1364/OE.25.018442. Opt Express. 2017. PMID: 28789329 Free article.

6

Fabrication of a high-quality axicon by femtosecond laser ablation and CO₂ laser polishing for quasi-Bessel beam generation.

Schwarz S, Rung S, Esen C, Hellmann R. Schwarz S, et al. Among authors: hellmann r. Opt Express. 2018 Sep 3;26(18):23287-23294. doi: 10.1364/OE.26.023287. Opt Express. 2018. PMID: 30184982 Free article.

7

Microchannels inside bulk PMMA generated by femtosecond laser using adaptive beam shaping.

Roth GL, Rung S, Esen C, Hellmann R. Roth GL, et al. Among authors: hellmann r. Opt Express. 2020 Feb 17;28(4):5801-5811. doi: 10.1364/OE.384948. Opt Express. 2020. PMID: 32121795 Free article.

8

Femtosecond laser inscription of waveguides and Bragg gratings in transparent cyclic olefin copolymers.

Roth GL, Hessler S, Kefer S, Girschikofsky M, Esen C, Hellmann R. Roth GL, et al. Among authors: hellmann r. Opt Express. 2020 Jun 8;28(12):18077-18084. doi: 10.1364/OE.388364. Opt Express. 2020. PMID: 32680008 Free article.

9

Fabrication and evaluation of negative axicons for ultrashort pulsed laser applications.

Schwarz S, Roth GL, Rung S, Esen C, Hellmann R. Schwarz S, et al. Among authors: hellmann r. Opt Express. 2020 Aug 31;28(18):26207-26217. doi: 10.1364/OE.401084. Opt Express. 2020. PMID: 32906897 Free article.

10

Hybrid Approaches for Selective Laser Sintering by Building on Dissimilar Materials.

Goetzendorfer B, Mohr T, Hellmann R. Goetzendorfer B, et al. Among authors: hellmann r. Materials (Basel). 2020 Nov 22;13(22):5285. doi: 10.3390/ma13225285. Materials (Basel). 2020. PMID: 33266426 Free PMC article.

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