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All publications from Ferdinand-Braun-Institut gGmbH

JOKARUS payload: Used to demonstrate the first optical frequency standard based on molecular iodine in space. (© HU Berlin/Franz Gutsch)

Centerpiece of the JOKARUS experiment: Successfully used in space: a micro-integrated diode laser module (ECDL-MOPA) from the Ferdinand-Braun-Institut emitting at a wavelength of 1064 nm. (© FBH/schurian.com)

10.05.2018

JOKARUS experiment on sounding rocket successfully completed. Corner stone for laser ranging measurements with the highest precision and precursor for optical sat-ellite navigation systems.

Frequency-stable laser systems for space

For the first time a frequency reference based on molecular iodine was successfully demonstrated in space! What sounds a bit like science fiction is an important step towards laser interferometric dis-tance measurements between satellites as well as for future global navigation satellite systems bas…

UV-B-LED Module for Plant Illumination: with light of three different wavelengths through LEDs. Their brightness and irradiation intensities can be adjusted independently to determine the optimal irradiation for structurally diverse plant secondary metabolites. Close-up: UV-B LED. (©FBH/P. Immerz) / UV-B LED module for plant illumination: providing LED light of three different wavelengths. Their brightness and irradiation intensity can be adjusted individually in order to determine the optimum irradiation for structurally diverse vegetable secondary metabolites. Detail: UV-B LED (©FBH/P. Immerz)

High-Power UV-B LED in a housing: Inside, the 1x1 mm² LED chip is visible. (©FBH/schurian.com)

11.04.2018

State of the art and trends of UV light-emitting diodes

Off to short wavelengths

Ferdinand-Braun-Institut presents its UV LED developments in talks and at the ac-companying exhibition at ICULTA-2018 – from chips to ready-to-use modules. The in-stitute co-organizes the international conference hosted in Berlin.

It is all about light-emitting diodes (LEDs) at ICULTA-2018 – Interna…

11.04.2018

Unique scope of UV LED technologies and applications presented in Berlin: ICULTA-2018

The first-ever ‘International Conference on UV LED Technologies & Applications’ (ICULTA-2018) is dealing with UV LED developments along the whole value chain. At the international conference, the state of the art of UV LED technology and trends are discussed. The conference will be held from…

Digital Power Amplifier Module for 5G, the Mobile Communication of the Future (© FBH/schurian.com)

Heterointegrated circuits, combining the advantages of two technology worlds: the high output powers of indium phosphide with the complexity of silicon technology (© FBH/schurian.com)

06.10.2017

The Ferdinand-Braun-Institut demonstrates its capability in III-V electronics at „Productronica“. FBH components are used, among others, for the future mobile communications standard 5G and for industrial as well as biomedical applications.

Core components for future technology solutions – from heterointegrated chips to digital power amplifiers

The Ferdinand-Braun-Institut (FBH) presents a selection of current developments and advances of its power amplifiers, circuits, and heterointegrated chips at “Productronica”. The event is hosted in Munich from November 14-17, 2017 in hall B2, booth 317. The Leibniz institute exhibits at the join…

19.06.2017

At “Laser World of Photonics” trade show and accompanying “CLEO Europe“ confer-ence, the FBH presents its capability in diode lasers and UV LEDs, each device opti-mized to fit the respective application.

Extremely versatile – FBH offers tailored diode lasers, from the chip to the system

The Ferdinand-Braun-Institut (FBH) presents novel developments and advances of its diode lasers and UV light-emitting diodes (LEDs) at the “Laser World of Photonics”. The event is hosted in Munich from June 26 – 29, 2017. FBH offers the full value chain in house: from design through chips to m…

MOPA laser module for MAIUS: Hybrid-integrated master-oscillator power-amplifier (MOPA) laser module for rubidium precision spectroscopy in space developed by the Ferdinand-Braun-Institut – three of these MOPA modules along with two redundant modules are integrated into the laser system. (© FBH/schurian.com)

MAIUS Laser System: Used to successfully create a Bose-Einstein condensate for the first time in space. It is approximately the size of a shoebox and weighs 27 kg. The hybrid-integrated laser modules from FBH are located at the bottom of the system, while the laser light for transmission to the main experiment is prepared on the top side. (© Humboldt University of Berlin)

20.02.2017

Quantum optical sensor for the first time tested in space – with a laser system from Berlin

For the first time ever, a cloud of ultra-cold atoms has been successfully created in space on board of a sounding rocket. The MAIUS mission demonstrates that quantum optical sensors can be operated even in harsh environments like space – a prerequi-site for finding answers to the most challenging…

28.08.2016

BRIDLE – brilliant diode laser for industry on a record course

Highly energy-efficient and powerful diode lasers for industry were developed with significant involvement from the Ferdinand-Braun-Institut in the European project BRIDLE. Several records were broken in the process.

The market for industrial lasers is growing rapidly and constantly demands improved…

Rubidium Module for FOKUS Experiment: Fiber-coupled Rubidium Module for FOKUS Experiment in Space. ©FBH/P. Immerz

27.01.2016

Projects KALEXUS and FOKUS successfully carried out on board the sounding rocket TEXUS-53 in microgravity.

Einstein put to the test – two precision experiments in space with lasers from Berlin

According to Albert Einstein's theory of relativity, all bodies in a vacuum regardless of their properties are accelerated by the Earth's gravity at the same rate. This principle of equivalence applies to stones, feathers and atoms alike. Under the conditions of microgravity very long and precise me…

17.06.2015

The FBH presents its advanced diode lasers and UV light-emitting diodes at “Laser World of Photonics“ and the associated conference “CLEO Europe“

Comprehensive know-how and the full value chain, from technology development to complete systems

The Ferdinand-Braun-Institut (FBH) exhibits a selection of current improvements and new developments regarding diode lasers and UV light-emitting diodes (LEDs) at the international trade fair „Laser World of Photonics“ in Munich from June 22 - 25, 2015. Based on the in-house available full techn…

High-performance space module: Micro-integrated Extended Cavity Diode Laser (ECDL) for spectroscopy of rubidium atoms in space. Tests were conducted onboard the high-altitude research rocket FOKUS on April 23, 2015. The goal is to demonstrate whether different types of clocks actually keep time equally in space, as Einstein claimed. (© FBH/P. Immerz)

27.04.2015

Tests in weightlessness aboard the research rocket FOKUS conducted. Successful technology demonstration for the QUANTUS mission.

Einstein verified – Precision experiments with lasers in space

According to Albert Einstein, clocks run slower the deeper they are in the gravitational potential of a mass – that is, the closer they are, for example, to a celestial body. This effect is called gravitational redshift within the framework of General Relativity – it manifests as spectral lines…

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