Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Muhammad Tahir Jamal"'
Publikováno v:
Applied Optics
Jamal, M T & Hansen, A K 2020, ' Practical, open source, GPU-accelerated, high-fidelity phase retrieval by simultaneous propagations ', Applied Optics, vol. 59, no. 34, 10761, pp. 10761-10767 . https://doi.org/10.1364/AO.402859
Jamal, M T & Hansen, A K 2020, ' Practical, open source, GPU-accelerated, high-fidelity phase retrieval by simultaneous propagations ', Applied Optics, vol. 59, no. 34, 10761, pp. 10761-10767 . https://doi.org/10.1364/AO.402859
Phase retrieval is a highly useful technique that allows the calculation of the complex electric field of a beam of spatially coherent radiation based only on recordings of intensity profiles with a camera. In this work, we demonstrate what we believ
Publikováno v:
Jamal, M T, Hansen, A K, Tawfieq, M, Andersen, P E & Jensen, O B 2020, ' Influence of pump beam shaping and noise on performance of a direct diode-pumped ultrafast Ti:sapphire laser ', Optics Express, vol. 28, no. 21, pp. 31754-31762 . https://doi.org/10.1364/OE.404968
Optics Express
Optics Express
One of the major factors that limits the widespread use of ultrafast titanium sapphire (Ti:S) lasers in life science is its expensive and complex pump source. Broad area diode laser (BA-DL) based pump sources have high potential to solve this problem
Publikováno v:
Solid State Lasers XXIX: Technology and Devices.
An ultrafast titanium sapphire (Ti:S) laser equipped with a compact and efficient pump laser is in high demand in many biomedical applications. Recently developed high power visible laser diodes are the cost-effective alternate option to commercial d
Publikováno v:
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
A compact and inexpensive pump source is in high demand for ultrafast Ti:sapphire lasers, which has emerged as a main workhorse in biomedical imaging because of its broad emission bandwidth[1]. The widespread of Ti:sapphire lasers is limited by its c
Autor:
Günther Tränkle, Anders Kragh Hansen, Christof Zink, Ole B. Jensen, Mathias Christensen, Bernd Sumpf, Martin Maiwald, Muhammad Tahir Jamal
Publikováno v:
Zink, C, Christensen, M, Jamal, M T, Hansen, A K, Maiwald, M, Jensen, O B, Sumpf, B & Tränkle, G 2019, Investigation of controlled external feedback on the properties of low and high-power frequency-stabilized diode laser . in Proceedings of SPIE . vol. 10939, 109391J, SPIE-International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, SPIE Photonics West 2019 OPTO, San Francisco, California, United States, 04/02/2019 . https://doi.org/10.1117/12.2509546
Unwanted optical feedback is a common problem in many optical setups of laser systems. To quantify the effect, the influence of a controlled external feedback on the emission properties of a low power distributed feedback ridge waveguide and a high p
Autor:
M. Niemeyer, Jonas Hamperl, Philipp Albrodt, Gaëlle Lucas-Leclin, Katrin Paschke, Ole B. Jensen, Muhammad Tahir Jamal, Paul Crump, Patrick Georges, Gunnar Blume, Anders Kragh Hansen
Publikováno v:
Proc. SPIE
Photonics West-LASE : High-Power Diode Laser Technology XVII
Photonics West-LASE : High-Power Diode Laser Technology XVII, Feb 2019, San Francisco, United States. pp.109000O, ⟨10.1117/12.2508443⟩
Albrodt, P, Jamal, M T, Hansen, A K, Jensen, O B, Niemeyer, M, Blume, G, Paschke, K, Crump, P, Hamperl, J, Georges, P & Lucas-Leclin, G 2019, Recent progress in brightness scaling by coherent beam combining of tapered amplifiers for efficient high power frequency doubling . in Proceedings of SPIE . vol. 10900, 109000O, SPIE-International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, SPIE Photonics West 2019, San Francisco, California, United States, 02/02/2019 . https://doi.org/10.1117/12.2508443
Photonics West-LASE : High-Power Diode Laser Technology XVII
Photonics West-LASE : High-Power Diode Laser Technology XVII, Feb 2019, San Francisco, United States. pp.109000O, ⟨10.1117/12.2508443⟩
Albrodt, P, Jamal, M T, Hansen, A K, Jensen, O B, Niemeyer, M, Blume, G, Paschke, K, Crump, P, Hamperl, J, Georges, P & Lucas-Leclin, G 2019, Recent progress in brightness scaling by coherent beam combining of tapered amplifiers for efficient high power frequency doubling . in Proceedings of SPIE . vol. 10900, 109000O, SPIE-International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, SPIE Photonics West 2019, San Francisco, California, United States, 02/02/2019 . https://doi.org/10.1117/12.2508443
International audience; High brightness diode laser beam combining techniques are in demand for efficient high power nonlinear conversion. Coherent beam combining (CBC) is the only method that has the potential for brightness scaling by maintaining o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::933039f6ebcb5a86f02ff0c9dac1f61e
https://hal.archives-ouvertes.fr/hal-02056948
https://hal.archives-ouvertes.fr/hal-02056948
Autor:
Anders Kragh Hansen, Katrin Paschke, Gaëlle Lucas-Leclin, Patrick Georges, Paul Crump, Muhammad Tahir Jamal, Philipp Albrodt, Gunnar Blume, Ole B. Jensen
Publikováno v:
Optics Express
Albrodt, P, Jamal, M T, Hansen, A K, Jensen, O B, Blume, G, Paschke, K, Crump, P, Georges, P & Lucas-Leclin, G 2019, ' Coherent combining of high brightness tapered amplifiers for efficient non-linear conversion ', Optics Express, vol. 27, no. 2, pp. 928-937 . https://doi.org/10.1364/OE.27.000928
Optics Express, Optical Society of America-OSA Publishing, 2019, 27 (2), pp.928. ⟨10.1364/OE.27.000928⟩
Albrodt, P, Jamal, M T, Hansen, A K, Jensen, O B, Blume, G, Paschke, K, Crump, P, Georges, P & Lucas-Leclin, G 2019, ' Coherent combining of high brightness tapered amplifiers for efficient non-linear conversion ', Optics Express, vol. 27, no. 2, pp. 928-937 . https://doi.org/10.1364/OE.27.000928
Optics Express, Optical Society of America-OSA Publishing, 2019, 27 (2), pp.928. ⟨10.1364/OE.27.000928⟩
We report on a coherent beam combination of three high-brightness tapered amplifiers, which are seeded by a single-frequency laser at λ = 976 nm in a simple architecture with efficiently cooled emitters. The maximal combined power of 12.9 W is achie
Autor:
Albrodt, P., Muhammad Tahir Jamal, Anders Kragh Hansen, Ole Bjarlin Jensen, Blume, G., Paschke, K., Crump, P., Georges, P., Lucas-Leclin, G.
Publikováno v:
Albrodt, P, Jamal, M T, Hansen, A K, Jensen, O B, Blume, G, Paschke, K, Crump, P, Georges, P & Lucas-Leclin, G 2018, ' High power single-mode 488 nm emission by second harmonic generation of coherently-combined high-brightness tapered lasers ' 8th EPS-QEOD Europhoton Conference EUROPHOTON, Barcelona, Spain, 02/09/2018-07/09/2018, .
Technical University of Denmark Orbit
Technical University of Denmark Orbit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0a1e12f1ec8c75b943d26a5763b4f3c8
https://orbit.dtu.dk/en/publications/438d3d98-10e4-4a81-a3f5-25a45dcdf629
https://orbit.dtu.dk/en/publications/438d3d98-10e4-4a81-a3f5-25a45dcdf629
Publikováno v:
Technical University of Denmark Orbit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6d12b26582a607964e3e96fb6f81412c
https://orbit.dtu.dk/en/publications/5f562bd5-b048-4081-813f-e566cb154c18
https://orbit.dtu.dk/en/publications/5f562bd5-b048-4081-813f-e566cb154c18
Autor:
Muhammad Tahir Jamal, Albrodt, P., Anders Kragh Hansen, Ole Bjarlin Jensen, Blume, G., Crump, P., Paschke, K., Georges, P., Lucas-Leclin, G.
Publikováno v:
Technical University of Denmark Orbit
Jamal, M T, Albrodt, P, Hansen, A K, Jensen, O B, Blume, G, Crump, P, Paschke, K, Georges, P & Lucas-Leclin, G 2018, ' Enhancement of frequency doubling efficiency by coherent beam combining of high power diode laser amplifiers ' IONSScandinavia18, Kgs. Lyngby, Denmark, 05/06/2018-09/06/2018, .
Jamal, M T, Albrodt, P, Hansen, A K, Jensen, O B, Blume, G, Crump, P, Paschke, K, Georges, P & Lucas-Leclin, G 2018, ' Enhancement of frequency doubling efficiency by coherent beam combining of high power diode laser amplifiers ' IONSScandinavia18, Kgs. Lyngby, Denmark, 05/06/2018-09/06/2018, .
We demonstrate enhancement in frequency doubling efficiency by coherent beam combining (CBC) of two high power tapered amplifiers The improved frequency doubling efficiency by CBC of two amplifiers is η=3.7%/W compared to single amplifier case where
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b018a6927c8d43de93d66da3ee4fde52
https://orbit.dtu.dk/en/publications/c4366141-ef1e-48d4-b18f-7d69d0f3e0c6
https://orbit.dtu.dk/en/publications/c4366141-ef1e-48d4-b18f-7d69d0f3e0c6