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Dive into the research topics where Bernd Drapp is active.

Publication


Featured researches published by Bernd Drapp.


Rare-Earth-Doped Materials and Devices VII | 2003

New heavy metal oxide silicate amplifier glass for compact and broadband amplifiers

Frank Büllesfeld; Bernd Drapp; Volker Hagemann; Martin Letz; Ulrich Peuchert; Steffen Reichel; Ruediger Sprengard; Tobias Kaelber; Matthias Brinkmann; Bianca Schreder; Edgar Pawlowski; Sally Pucilowski; Joseph S. Hayden

Properties of a new rare-earth doped heavy metal oxide containing silicate glass are presented. The glass has potential for fabrication of ultra-short wideband fiber and planar waveguide amplifiers. We report specific results for a fiber amplifier geometry, discussing achieved improvements in device compactness (Giles gain g* = 210 dB/m allowing up to 100 times shorter fiber) and amplification bandwidth (50% more bandwidth in C-/L-band) compared to the conventional EDFA. We also access the potential of this material for fabrication of active planar integrated waveguide devices.


Archive | 2004

Rare earth doped luminescent glass and cold light source device

Martin Letz; Ulrich Peuchert; Markus Dr. Schweizer; Bernd Drapp; Wolfram Beier; Karina Seneschal; Axel Engel; Joseph S. Hayden; Carol Click


Archive | 2005

Rare earth doped luminescent glass

Martin Letz; Ulrich Peuchert; Markus Dr. Schweizer; Bernd Drapp; Wolfram Beier; Karina Seneschal; Axel Engel; Joseph S. Hayden; Carol Click


Archive | 2006

Gegenstand mit antibakterieller beschichtung, verfahren zu dessen herstellung und dessen verwendung

Bernd Schultheis; Kathrin Schellenberg; Inka Henze; Bernd Drapp


Archive | 2004

Broadband light source in particular for short coherence interferometry

Wolfgang Mannstadt; Bernd Drapp


Archive | 2006

Article provided with an antibacterial coating, method for producing it and use thereof

Bernd Schultheis; Kathrin Schellenberg; Inka Henze; Bernd Drapp


Archive | 2004

Antimicrobial Glass Surfaces of Glass Powders

Jörg Hinrich Dr. Fechner; Jose Zimmer; Bernd Drapp; Frank Thoma


Archive | 2004

Semiconductor light source used in lighting comprises a semiconductor emitter, especially an LED, and a luminescent glass body

Wolfram Beier; Bernd Drapp; Martin Letz; Ulrich Peuchert; Markus Dr. Schweizer


Archive | 2004

Lumineszierendes Glas und Kaltlichtquelle mit einem solchen Glas

Wolfram Beier; Carol Click; Bernd Drapp; Axel Engel; Joseph S. Hayden; Martin Letz; Ulrich Peuchert; Markus Dr. Schweizer; Karine Dr. Seneschal


Archive | 2005

Broadband Light Source Having a Microstructured Optical Fiber for Endoscopic and Fluorescence Microscopic Examination Devices, in Particular for Special Devices for Optical Biopsy

Wolfram Beier; Bernd Drapp; Wolfgang Mannstadt

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Joseph S. Hayden

National Institute of Standards and Technology

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