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Showing 1 to 12 of 533 entries
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Acousto-optic pulse picking scheme with carrier-frequency-to-pulse-repetition-rate synchronization.

Optics express

de Vries O, Saule T, Plötner M, Lücking F, Eidam T, Hoffmann A, Klenke A, Hädrich S, Limpert J, Holzberger S, Schreiber T, Eberhardt R, Pupeza I, Tünnermann A.
PMID: 26367616
Opt Express. 2015 Jul 27;23(15):19586-95. doi: 10.1364/OE.23.019586.

We introduce and experimentally validate a pulse picking technique based on a travelling-wave-type acousto-optic modulator (AOM) having the AOM carrier frequency synchronized to the repetition rate of the original pulse train. As a consequence, the phase noise characteristic of...

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de Vries O, Saule T, Plötner M, et al. Acousto-optic pulse picking scheme with carrier-frequency-to-pulse-repetition-rate synchronization. Opt Express. 2015;23(15):19586-95doi: 10.1364/OE.23.019586.
de Vries, O., Saule, T., Plötner, M., Lücking, F., Eidam, T., Hoffmann, A., Klenke, A., Hädrich, S., Limpert, J., Holzberger, S., Schreiber, T., Eberhardt, R., Pupeza, I., & Tünnermann, A. (2015). Acousto-optic pulse picking scheme with carrier-frequency-to-pulse-repetition-rate synchronization. Optics express, 23(15), 19586-95. https://doi.org/10.1364/OE.23.019586
de Vries, Oliver, et al. "Acousto-optic pulse picking scheme with carrier-frequency-to-pulse-repetition-rate synchronization." Optics express vol. 23,15 (2015): 19586-95. doi: https://doi.org/10.1364/OE.23.019586
de Vries O, Saule T, Plötner M, Lücking F, Eidam T, Hoffmann A, Klenke A, Hädrich S, Limpert J, Holzberger S, Schreiber T, Eberhardt R, Pupeza I, Tünnermann A. Acousto-optic pulse picking scheme with carrier-frequency-to-pulse-repetition-rate synchronization. Opt Express. 2015 Jul 27;23(15):19586-95. doi: 10.1364/OE.23.019586. PMID: 26367616.
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Health system support and health system strengthening: two key facilitators to the implementation of ambulatory tuberculosis treatment in Uzbekistan.

Health economics review

Kohler S, Asadov DA, Bründer A, Healy S, Khamraev AK, Sergeeva N, Tinnemann P.
PMID: 27406392
Health Econ Rev. 2016 Dec;6(1):28. doi: 10.1186/s13561-016-0100-z. Epub 2016 Jul 12.

Uzbekistan inherited a hospital-based health system from the Soviet Union. We explore the health system-related challenges faced during the scale-up of ambulatory (outpatient) treatment for drug-susceptible and drug-resistant tuberculosis (TB) in Karakalpakstan in Uzbekistan. Semi-structured interviews were conducted with...

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Kohler S, Asadov DA, Bründer A, et al. Health system support and health system strengthening: two key facilitators to the implementation of ambulatory tuberculosis treatment in Uzbekistan. Health Econ Rev. 2016;6(1):28doi: 10.1186/s13561-016-0100-z.
Kohler, S., Asadov, D. A., Bründer, A., Healy, S., Khamraev, A. K., Sergeeva, N., & Tinnemann, P. (2016). Health system support and health system strengthening: two key facilitators to the implementation of ambulatory tuberculosis treatment in Uzbekistan. Health economics review, 6(1), 28. https://doi.org/10.1186/s13561-016-0100-z
Kohler, Stefan, et al. "Health system support and health system strengthening: two key facilitators to the implementation of ambulatory tuberculosis treatment in Uzbekistan." Health economics review vol. 6,1 (2016): 28. doi: https://doi.org/10.1186/s13561-016-0100-z
Kohler S, Asadov DA, Bründer A, Healy S, Khamraev AK, Sergeeva N, Tinnemann P. Health system support and health system strengthening: two key facilitators to the implementation of ambulatory tuberculosis treatment in Uzbekistan. Health Econ Rev. 2016 Dec;6(1):28. doi: 10.1186/s13561-016-0100-z. Epub 2016 Jul 12. PMID: 27406392; PMCID: PMC4942444.
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Femtosecond Enhancement Cavities in the Nonlinear Regime.

Physical review letters

Holzberger S, Lilienfein N, Carstens H, Saule T, Högner M, Lücking F, Trubetskov M, Pervak V, Eidam T, Limpert J, Tünnermann A, Fill E, Krausz F, Pupeza I.
PMID: 26207470
Phys Rev Lett. 2015 Jul 10;115(2):023902. doi: 10.1103/PhysRevLett.115.023902. Epub 2015 Jul 08.

We combine high-finesse optical resonators and spatial-spectral interferometry to a highly phase-sensitive investigation technique for nonlinear light-matter interactions. We experimentally validate an ab initio model for the nonlinear response of a resonator housing a gas target, permitting the global...

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Holzberger S, Lilienfein N, Carstens H, et al. Femtosecond Enhancement Cavities in the Nonlinear Regime. Phys Rev Lett. 2015;115(2):023902doi: 10.1103/PhysRevLett.115.023902.
Holzberger, S., Lilienfein, N., Carstens, H., Saule, T., Högner, M., Lücking, F., Trubetskov, M., Pervak, V., Eidam, T., Limpert, J., Tünnermann, A., Fill, E., Krausz, F., & Pupeza, I. (2015). Femtosecond Enhancement Cavities in the Nonlinear Regime. Physical review letters, 115(2), 023902. https://doi.org/10.1103/PhysRevLett.115.023902
Holzberger, S, et al. "Femtosecond Enhancement Cavities in the Nonlinear Regime." Physical review letters vol. 115,2 (2015): 023902. doi: https://doi.org/10.1103/PhysRevLett.115.023902
Holzberger S, Lilienfein N, Carstens H, Saule T, Högner M, Lücking F, Trubetskov M, Pervak V, Eidam T, Limpert J, Tünnermann A, Fill E, Krausz F, Pupeza I. Femtosecond Enhancement Cavities in the Nonlinear Regime. Phys Rev Lett. 2015 Jul 10;115(2):023902. doi: 10.1103/PhysRevLett.115.023902. Epub 2015 Jul 08. PMID: 26207470.
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Nonlinear pulse compression to 43  W GW-class few-cycle pulses at 2  μm wavelength.

Optics letters

Gebhardt M, Gaida C, Heuermann T, Stutzki F, Jauregui C, Antonio-Lopez J, Schulzgen A, Amezcua-Correa R, Limpert J, Tünnermann A.
PMID: 29028042
Opt Lett. 2017 Oct 15;42(20):4179-4182. doi: 10.1364/OL.42.004179.

High-average power laser sources delivering intense few-cycle pulses in wavelength regions beyond the near infrared are promising tools for driving the next generation of high-flux strong-field experiments. In this work, we report on nonlinear pulse compression to 34.4 μJ-,...

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Gebhardt M, Gaida C, Heuermann T, et al. Nonlinear pulse compression to 43  W GW-class few-cycle pulses at 2  μm wavelength. Opt Lett. 2017;42(20):4179-4182doi: 10.1364/OL.42.004179.
Gebhardt, M., Gaida, C., Heuermann, T., Stutzki, F., Jauregui, C., Antonio-Lopez, J., Schulzgen, A., Amezcua-Correa, R., Limpert, J., & Tünnermann, A. (2017). Nonlinear pulse compression to 43  W GW-class few-cycle pulses at 2  μm wavelength. Optics letters, 42(20), 4179-4182. https://doi.org/10.1364/OL.42.004179
Gebhardt, M, et al. "Nonlinear pulse compression to 43  W GW-class few-cycle pulses at 2  μm wavelength." Optics letters vol. 42,20 (2017): 4179-4182. doi: https://doi.org/10.1364/OL.42.004179
Gebhardt M, Gaida C, Heuermann T, Stutzki F, Jauregui C, Antonio-Lopez J, Schulzgen A, Amezcua-Correa R, Limpert J, Tünnermann A. Nonlinear pulse compression to 43  W GW-class few-cycle pulses at 2  μm wavelength. Opt Lett. 2017 Oct 15;42(20):4179-4182. doi: 10.1364/OL.42.004179. PMID: 29028042.
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Flexible femtosecond inscription of fiber Bragg gratings by an optimized deformable mirror.

Optics letters

Goebel TA, Voigtländer C, Krämer RG, Richter D, Heck M, Siems MP, Matzdorf C, Reinlein C, Appelfelder M, Schreiber T, Thomas JU, Tünnermann A, Nolte S.
PMID: 29028051
Opt Lett. 2017 Oct 15;42(20):4215-4218. doi: 10.1364/OL.42.004215.

The period of fiber Bragg gratings is adapted by shaping the wavefronts of ultrashort laser pulses applied in a phase mask inscription technique. A specially designed deformable mirror, based on a dielectric substrate to withstand high peak powers, is...

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Goebel TA, Voigtländer C, Krämer RG, et al. Flexible femtosecond inscription of fiber Bragg gratings by an optimized deformable mirror. Opt Lett. 2017;42(20):4215-4218doi: 10.1364/OL.42.004215.
Goebel, T. A., Voigtländer, C., Krämer, R. G., Richter, D., Heck, M., Siems, M. P., Matzdorf, C., Reinlein, C., Appelfelder, M., Schreiber, T., Thomas, J. U., Tünnermann, A., & Nolte, S. (2017). Flexible femtosecond inscription of fiber Bragg gratings by an optimized deformable mirror. Optics letters, 42(20), 4215-4218. https://doi.org/10.1364/OL.42.004215
Goebel, Thorsten A, et al. "Flexible femtosecond inscription of fiber Bragg gratings by an optimized deformable mirror." Optics letters vol. 42,20 (2017): 4215-4218. doi: https://doi.org/10.1364/OL.42.004215
Goebel TA, Voigtländer C, Krämer RG, Richter D, Heck M, Siems MP, Matzdorf C, Reinlein C, Appelfelder M, Schreiber T, Thomas JU, Tünnermann A, Nolte S. Flexible femtosecond inscription of fiber Bragg gratings by an optimized deformable mirror. Opt Lett. 2017 Oct 15;42(20):4215-4218. doi: 10.1364/OL.42.004215. PMID: 29028051.
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On the rewriting of ultrashort pulse-induced nanogratings.

Optics letters

Zimmermann F, Plech A, Richter S, Tünnermann A, Nolte S.
PMID: 25927781
Opt Lett. 2015 May 01;40(9):2049-52. doi: 10.1364/OL.40.002049.

In this study, we report on the erasure and rewriting of nanogratings by femtosecond laser pulses in the bulk of fused silica. To map the structural processes during rewriting, a combination of optical retardance measurement, small angle X-ray scattering,...

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Zimmermann F, Plech A, Richter S, et al. On the rewriting of ultrashort pulse-induced nanogratings. Opt Lett. 2015;40(9):2049-52doi: 10.1364/OL.40.002049.
Zimmermann, F., Plech, A., Richter, S., Tünnermann, A., & Nolte, S. (2015). On the rewriting of ultrashort pulse-induced nanogratings. Optics letters, 40(9), 2049-52. https://doi.org/10.1364/OL.40.002049
Zimmermann, Felix, et al. "On the rewriting of ultrashort pulse-induced nanogratings." Optics letters vol. 40,9 (2015): 2049-52. doi: https://doi.org/10.1364/OL.40.002049
Zimmermann F, Plech A, Richter S, Tünnermann A, Nolte S. On the rewriting of ultrashort pulse-induced nanogratings. Opt Lett. 2015 May 01;40(9):2049-52. doi: 10.1364/OL.40.002049. PMID: 25927781.
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Estimation of the composition of coelectron-beam-evaporated thin-mixture films by making use of the Wiener bounds.

Applied optics

Franke C, Stenzel O, Wilbrandt S, Wolf J, Kaiser N, Tünnermann A.
PMID: 25968522
Appl Opt. 2015 Mar 20;54(9):2362-70. doi: 10.1364/AO.54.002362.

Material mixtures offer prospective possibilities for synthesizing coating materials with tailored optical constants. We present experimental results for mixture coatings of alumina/aluminum fluoride and alumina/hafnia deposited by electron beam evaporation. Thereby, the volume filling factors of the components are...

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Franke C, Stenzel O, Wilbrandt S, et al. Estimation of the composition of coelectron-beam-evaporated thin-mixture films by making use of the Wiener bounds. Appl Opt. 2015;54(9):2362-70doi: 10.1364/AO.54.002362.
Franke, C., Stenzel, O., Wilbrandt, S., Wolf, J., Kaiser, N., & Tünnermann, A. (2015). Estimation of the composition of coelectron-beam-evaporated thin-mixture films by making use of the Wiener bounds. Applied optics, 54(9), 2362-70. https://doi.org/10.1364/AO.54.002362
Franke, C, et al. "Estimation of the composition of coelectron-beam-evaporated thin-mixture films by making use of the Wiener bounds." Applied optics vol. 54,9 (2015): 2362-70. doi: https://doi.org/10.1364/AO.54.002362
Franke C, Stenzel O, Wilbrandt S, Wolf J, Kaiser N, Tünnermann A. Estimation of the composition of coelectron-beam-evaporated thin-mixture films by making use of the Wiener bounds. Appl Opt. 2015 Mar 20;54(9):2362-70. doi: 10.1364/AO.54.002362. PMID: 25968522.
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The Holocene temperature conundrum.

Proceedings of the National Academy of Sciences of the United States of America

Liu Z, Zhu J, Rosenthal Y, Zhang X, Otto-Bliesner BL, Timmermann A, Smith RS, Lohmann G, Zheng W, Elison Timm O.
PMID: 25114253
Proc Natl Acad Sci U S A. 2014 Aug 26;111(34):E3501-5. doi: 10.1073/pnas.1407229111. Epub 2014 Aug 11.

A recent temperature reconstruction of global annual temperature shows Early Holocene warmth followed by a cooling trend through the Middle to Late Holocene [Marcott SA, et al., 2013, Science 339(6124):1198-1201]. This global cooling is puzzling because it is opposite...

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Liu Z, Zhu J, Rosenthal Y, et al. The Holocene temperature conundrum. Proc Natl Acad Sci U S A. 2014;111(34):E3501-5doi: 10.1073/pnas.1407229111.
Liu, Z., Zhu, J., Rosenthal, Y., Zhang, X., Otto-Bliesner, B. L., Timmermann, A., Smith, R. S., Lohmann, G., Zheng, W., & Elison Timm, O. (2014). The Holocene temperature conundrum. Proceedings of the National Academy of Sciences of the United States of America, 111(34), E3501-5. https://doi.org/10.1073/pnas.1407229111
Liu, Zhengyu, et al. "The Holocene temperature conundrum." Proceedings of the National Academy of Sciences of the United States of America vol. 111,34 (2014): E3501-5. doi: https://doi.org/10.1073/pnas.1407229111
Liu Z, Zhu J, Rosenthal Y, Zhang X, Otto-Bliesner BL, Timmermann A, Smith RS, Lohmann G, Zheng W, Elison Timm O. The Holocene temperature conundrum. Proc Natl Acad Sci U S A. 2014 Aug 26;111(34):E3501-5. doi: 10.1073/pnas.1407229111. Epub 2014 Aug 11. PMID: 25114253; PMCID: PMC4151775.
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2 kW average power from a pulsed Yb-doped rod-type fiber amplifier.

Optics letters

Otto HJ, Stutzki F, Modsching N, Jauregui C, Limpert J, Tünnermann A.
PMID: 25490490
Opt Lett. 2014 Nov 15;39(22):6446-9. doi: 10.1364/OL.39.006446.

This Letter reports on a fiber-laser system that, employing a 1 m long rod-type photonic-crystal fiber as its main-amplifier, emits a record average output power of 2 kW, by amplifying stretched ps-pulses. A further increase of the output power...

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Otto HJ, Stutzki F, Modsching N, et al. 2 kW average power from a pulsed Yb-doped rod-type fiber amplifier. Opt Lett. 2014;39(22):6446-9doi: 10.1364/OL.39.006446.
Otto, H. J., Stutzki, F., Modsching, N., Jauregui, C., Limpert, J., & Tünnermann, A. (2014). 2 kW average power from a pulsed Yb-doped rod-type fiber amplifier. Optics letters, 39(22), 6446-9. https://doi.org/10.1364/OL.39.006446
Otto, Hans-Jürgen, et al. "2 kW average power from a pulsed Yb-doped rod-type fiber amplifier." Optics letters vol. 39,22 (2014): 6446-9. doi: https://doi.org/10.1364/OL.39.006446
Otto HJ, Stutzki F, Modsching N, Jauregui C, Limpert J, Tünnermann A. 2 kW average power from a pulsed Yb-doped rod-type fiber amplifier. Opt Lett. 2014 Nov 15;39(22):6446-9. doi: 10.1364/OL.39.006446. PMID: 25490490.
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Divided-pulse nonlinear compression.

Optics letters

Klenke A, Kienel M, Eidam T, Hädrich S, Limpert J, Tünnermann A.
PMID: 24322082
Opt Lett. 2013 Nov 15;38(22):4593-6. doi: 10.1364/OL.38.004593.

We report on the nonlinear pulse compression of temporally divided pulses, which is presented in a proof-of-principle experiment. A single 320 fs pulse is divided into four replicas, spectrally broadened in a solid-core fiber, and subsequently recombined. This approach...

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Klenke A, Kienel M, Eidam T, et al. Divided-pulse nonlinear compression. Opt Lett. 2013;38(22):4593-6doi: 10.1364/OL.38.004593.
Klenke, A., Kienel, M., Eidam, T., Hädrich, S., Limpert, J., & Tünnermann, A. (2013). Divided-pulse nonlinear compression. Optics letters, 38(22), 4593-6. https://doi.org/10.1364/OL.38.004593
Klenke, Arno, et al. "Divided-pulse nonlinear compression." Optics letters vol. 38,22 (2013): 4593-6. doi: https://doi.org/10.1364/OL.38.004593
Klenke A, Kienel M, Eidam T, Hädrich S, Limpert J, Tünnermann A. Divided-pulse nonlinear compression. Opt Lett. 2013 Nov 15;38(22):4593-6. doi: 10.1364/OL.38.004593. PMID: 24322082.
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Ultra-short pulse fiber optical parametric oscillator.

Optics letters

Gottschall T, Limpert J, Tünnermann A.
PMID: 28957053
Opt Lett. 2017 Sep 01;42(17):3423-3426. doi: 10.1364/OL.42.003423.

This work explores the frequency conversion and generation of short pulses with an optical parametric oscillator based on micro-structured fibers. Depending on the operation regime, the optical cavity can either behave as a normal-dispersion cavity delivering linearly chirped pulses,...

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Gottschall T, Limpert J, Tünnermann A. Ultra-short pulse fiber optical parametric oscillator. Opt Lett. 2017;42(17):3423-3426doi: 10.1364/OL.42.003423.
Gottschall, T., Limpert, J., & Tünnermann, A. (2017). Ultra-short pulse fiber optical parametric oscillator. Optics letters, 42(17), 3423-3426. https://doi.org/10.1364/OL.42.003423
Gottschall, Thomas, et al. "Ultra-short pulse fiber optical parametric oscillator." Optics letters vol. 42,17 (2017): 3423-3426. doi: https://doi.org/10.1364/OL.42.003423
Gottschall T, Limpert J, Tünnermann A. Ultra-short pulse fiber optical parametric oscillator. Opt Lett. 2017 Sep 01;42(17):3423-3426. doi: 10.1364/OL.42.003423. PMID: 28957053.
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Temporal contrast enhancement of energetic laser pulses by filtered self-phase-modulation-broadened spectra.

Optics letters

Buldt J, Müller M, Klas R, Eidam T, Limpert J, Tünnermann A.
PMID: 28957121
Opt Lett. 2017 Oct 01;42(19):3761-3764. doi: 10.1364/OL.42.003761.

We present a novel approach for temporal contrast enhancement of energetic laser pulses by filtered self-phase-modulation-broadened spectra. A measured temporal contrast enhancement by at least seven orders of magnitude in a simple setup has been achieved. This technique is...

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Buldt J, Müller M, Klas R, et al. Temporal contrast enhancement of energetic laser pulses by filtered self-phase-modulation-broadened spectra. Opt Lett. 2017;42(19):3761-3764doi: 10.1364/OL.42.003761.
Buldt, J., Müller, M., Klas, R., Eidam, T., Limpert, J., & Tünnermann, A. (2017). Temporal contrast enhancement of energetic laser pulses by filtered self-phase-modulation-broadened spectra. Optics letters, 42(19), 3761-3764. https://doi.org/10.1364/OL.42.003761
Buldt, Joachim, et al. "Temporal contrast enhancement of energetic laser pulses by filtered self-phase-modulation-broadened spectra." Optics letters vol. 42,19 (2017): 3761-3764. doi: https://doi.org/10.1364/OL.42.003761
Buldt J, Müller M, Klas R, Eidam T, Limpert J, Tünnermann A. Temporal contrast enhancement of energetic laser pulses by filtered self-phase-modulation-broadened spectra. Opt Lett. 2017 Oct 01;42(19):3761-3764. doi: 10.1364/OL.42.003761. PMID: 28957121.
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Showing 1 to 12 of 533 entries