Výsledky vyhledávání - "Rico Hohmuth"

Autor: Peer Burdack, Jens Limpert, Rico Hohmuth

Publikováno v: Laser Technik Journal. 13:33-37

Over the last decade, mode-locked laser sources in the ten picosecond pulse regime expanded into medical applications and high-precision micro-material machining. However, the complexity and the alignment sensitivity of picosecond lasers translated t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::29e51acc0ec06ce03bd0d68885291ec3
https://doi.org/10.1002/latj.201600001

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2 MHz repetition rate, 200 ps pulse duration from a monolithic, passively Q-switched microchip laser

Autor: Wolfgang Richter, D. Nodop, Rico Hohmuth, Andreas Tünnermann, Alexander Steinmetz, Jens Limpert

Publikováno v: Applied Physics B. 97:317-320

We present a monolithic passively Q-switched microchip laser generating 200 ps pulses at a wavelength of 1064 nm with a repetition rate of up to 2 MHz. While maintaining transversal and longitudinal single-mode operation, the pulse energy can be chan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89be2d89c15f347d5110145c234ce832
https://doi.org/10.1007/s00340-009-3722-6

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Large-area microlens emitters for powerful THz emission

Autor: Andreas Tünnermann, S. Riehemann, B. Pradarutti, Gabor Matthäus, Rico Hohmuth, Gunther Notni, Wolfgang Richter, M. Voitsch, Stefan Nolte

Publikováno v: Applied Physics B. 96:233-235

A microlens coupled large-area emitter based on low-temperature grown GaAs is presented. A hexagonal microlens array directs the incident pump light into every second gap of a finger electrode structure. Consequently, an unidirectional photocurrent a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4f812b97bec7bae7dfa8a8cb9ebf35c1
https://doi.org/10.1007/s00340-009-3609-6

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2MHz repetition rate, 200ps pulse duration from a monolithic passively Q-switched microchip laser

Autor: Andreas Tünnermann, D. Nodop, Jens Limpert, Rico Hohmuth, Wolfgang Richter, Alexander Steinmetz

Publikováno v: Solid State Lasers XIX: Technology and Devices.

We report on a diode-pumped, monolithic and passively Q-switched microchip laser generating 200 ps pulses at a wavelength of 1064 nm with a repetition rate of up to 2 MHz. By varying the pump intensity we can change the repetition rate in the range f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dacac59a56c74ae49101beebf4c51dfa
https://doi.org/10.1117/12.842138

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Microlens coupled interdigital photoconductive switch

Autor: Stefan Nolte, M. Voitsch, Gunther Notni, Stefan Riehemann, Rico Hohmuth, B. Pradarutti, Andreas Tünnermann, Gabor Matthäus, Wolfgang Richter

A large-area terahertz emitter based on an interdigital finger electrode photoconductive switch on low-temperature grown GaAs attached to a hexagonal microlens array is demonstrated. The hexagonal arranged microlenses direct the incident IR excitatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37554528294781a0adb9916be8ede523
https://publica.fraunhofer.de/handle/publica/216330

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Single pulse and bound state operation of a self-starting self-similar all-PM yb-doped fiber laser

Autor: Jens Limpert, Carsten K. Nielsen, Wolfgang Richter, Rico Hohmuth, Bülend Ortaç, Andreas Tünnermann, Thomas Schreiber

Publikováno v: Nielsen, C K, Ortac, B, Schreiber, T, Limpert, J, Hohmuth, R, Richter, W & Tünnermann, A 2006, Single pulse and bound state operation of a self-starting self-similar all-PM yb-doped fiber laser . in Proceedings of the 2006 Photonics West Conference, California USA . SPIE-International Society for Optical Engineering, Photonics West, 17/12/2010 .

We report on the observation of both single pulse and bound states of an environmentally stable all-polarization maintaining (PM) mode-locked laser based on a saturable absorber. The laser operates in the self-similar regime, and parabolic pulse spec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aeb6e9f8a2ce94ef99fd24e37deccc08
https://pure.au.dk/portal/da/publications/single-pulse-and-bound-state-operation-of-a-selfstarting-selfsimilar-allpm-ybdoped-fiber-laser(e5f53510-9a5d-11db-bee9-02004c4f4f50).html

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Intracavity terahertz generation inside a high-energy ultrafast soliton fiber laser

Autor: M. Voitsch, Jens Limpert, Gabor Matthäus, Andreas Tünnermann, Stefan Nolte, Wolfgang Richter, B. Pradarutti, Rico Hohmuth, Bülend Ortaç

Publikováno v: Applied Physics Letters. 93:261105

Intracavity terahertz emission inside a high-energy ultrafast Yb-doped fiber laser is presented. The terahertz radiation is generated by a transient photocurrent induced at the surface of a saturable InGaAs multiquantum well grown by molecular beam e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89a74e7bea7bf9beadd8016f738b5a33
https://doi.org/10.1063/1.3056118

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High-pulse-energy passively Q-switched quasi-monolithic microchip lasers operating in the sub-100-ps pulse regime

Autor: D. Nodop, Andreas Tünnermann, Wolfgang Richter, Rico Hohmuth, Jens Limpert, Mircea Guina

Publikováno v: Tampere University

We present passively Q-switched microchip lasers with items bonded by spin-on-glass glue. Passive Q-switching is obtained by a semiconductor saturable absorber mirror. The laser medium is a Nd:YVO(4) crystal. These lasers generate pulse peak powers u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d74729149b2dabcbfc9187cef7123af
https://doi.org/10.1364/ol.32.002115

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Low cost 60 ps, 1.33 MW peak power, 50 kHz repetition rate pulsed microchip laser fiber amplifier system

Autor: D. Nodop, Andreas Tünnermann, Mircea Guina, W. Richter, Jens Limpert, Rico Hohmuth, Oliver Schmidt

Publikováno v: Scopus-Elsevier
Tampere University

In this paper, we present a simple, inexpensive and compact picosecond laser source consisting of a monolithic microchip laser and a fiber based double-pass amplifier. The microchip laser consists of a 200 mum thick, 3% doped Nd:YVO4 crystal directly

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26f92eba5b51999f750e46504b7b794d
http://www.scopus.com/inward/record.url?eid=2-s2.0-84899067218&partnerID=MN8TOARS

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Akademický článek

A New Concept in Picosecond Lasers.

Autor: Hohmuth, Rico, Burdack, Peer, Limpert, Jens

Publikováno v: Laser Technik Journal; Jan2016, Vol. 13 Issue 1, p33-37, 5p

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