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Andreas Tunnermann

Explore the profile of Andreas Tunnermann including associated specialties, affiliations and a list of published articles. Areas
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Articles 312
Citations 884
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Recent Articles
1.
Stefanidi D, Wilhelm L, Schreiber P, Bruning R, Tunnermann A
Appl Opt . 2024 Jun; 63(12):3046-3057. PMID: 38856448
Regular tandem microlens arrays are well described and widely used for beam shaping and homogenization. Applying absorbing slides between the entrance and exit lenslets and channel-wise variation of the slides'...
2.
Palma-Vega G, Jauregui C, Hassner D, Moller F, Kuhn S, Nold J, et al.
Opt Express . 2023 Dec; 31(25):41301-41312. PMID: 38087532
The effect of transverse mode instability (TMI) poses a fundamental obstacle for a further scaling of diffraction-limited, high-power fiber laser systems. In this work we present a theoretical and experimental...
3.
Palma-Vega G, Hassner D, Kuhn S, Nold J, Moller F, Jauregui C, et al.
Opt Express . 2023 Jul; 31(15):24730-24738. PMID: 37475292
In this work, we conduct experimental investigations of transverse mode instabilities (TMI) in a large mode area ultra-low numerical aperture polarization maintaining fiber amplifier. This fiber is few mode in...
4.
Gartner A, Sabbagh A, Schulz U, Rickelt F, Bingel A, Wolleb S, et al.
Appl Opt . 2023 May; 62(7):B112-B116. PMID: 37132895
To increase the performance of optical systems, a good antireflective coating is required to ensure low reflectance and high transmittance of optical surfaces. Further problems, such as fogging that causes...
5.
Paul P, Schmitt P, Sigurjonsdottir V, Hanemann K, Felde N, Schroder S, et al.
ACS Appl Mater Interfaces . 2023 Apr; 15(18):22626-22636. PMID: 37097287
Heterostructures increasingly attracted attention over the past several years to enable various optoelectronic and photonic applications. In this work, atomically thin interfaces of Ir/AlO heterostructures compatible with micro-optoelectronic technologies are...
6.
Gottschall T, Meyer-Zedler T, Eibl M, Pfeiffer T, Hakert H, Schmitt M, et al.
J Phys Chem B . 2023 Mar; 127(11):2375-2380. PMID: 36917762
Coherent Raman scattering microscopy utilizing bioorthogonal tagging approaches like isotope or alkyne labeling allows for a targeted monitoring of spatial distribution and dynamics of small molecules of interest in cells,...
7.
Munser A, Trost M, Schroder S, Graf M, Rosenbaum M, Tunnermann A
Appl Opt . 2023 Jan; 62(2):411-418. PMID: 36630241
Because of its high sensitivity to even small objects and the quick measurement principle, angle-resolved scattering (ARS) measurements exhibit a promising potential as a rapid analysis tool for bacterial cells...
8.
Kinast J, Tunnermann A, Undisz A
Materials (Basel) . 2022 May; 15(9). PMID: 35591332
In the present study, the thermal cycling stability of mirrors made of silicon particle reinforced aluminum compounds, containing an amount of 42 ± 2 wt.% silicon particles, is investigated with...
9.
Klenke A, Steinkopff A, Aleshire C, Jauregui C, Kuhn S, Nold J, et al.
Opt Lett . 2022 Jan; 47(2):345-348. PMID: 35030602
We present a coherently combined femtosecond fiber chirped-pulse-amplification system based on a rod-type, ytterbium-doped, multicore fiber with 4 × 4 cores. A high average power of up to 500 W...
10.
Schmitt P, Stempfhuber S, Felde N, Szeghalmi A, Kaiser N, Tunnermann A, et al.
Opt Express . 2021 Jul; 29(13):19472-19485. PMID: 34266056
The fabrication of highly reflective aluminum coatings is still an important part of current research due to their high intrinsic reflectivity in a broad spectral range. By using thin seed...