Conferences 2005
31. October - 3. November 2005
ICALEO 2005, Hyatt Regency, Miami, USA
"Diode Lasers for Industrial Applications", Dr. M. Behringer
Today, diode lasers offer many advantages over other laser systems which further favor this technology.
The development of laser bar as well as packaging will be reviewed. Advantages and areas for further optimizations as well as examples for industrial application of diode lasers will be given. An outlook on what will be available in the near future will finish the talk.
17. - 19. October 2005
Intertech, San Diego, USA, Hotel San Diego Resort
"Lighting and the World Wide Web of Innovation", M. Chipalkatti, OSRAM Sylvania
Tuesday, October 18th
Innovation Networks in the Solid State Lighting industry and new opportunities for industry wide cooperation.
"LED Projection - OSTAR®", H. Ott, OSRAM Opto Semiconductors
Tuesday, October 18th
Product requirements and solution for LED projection applications in the automotive, consumer and general lighting industries
"Electronic Driver for Power LEDs", F. Bernitz, OSRAM GmbH
Wednesday, October 19th
23. - 26. October 2005,
Optics East, Boston, USA
"Fast LEDs for polymer optical fiber communication at 650nm", Dr. R. Wirth
Data rates above 250 MBit/s via polymer optical fiber (POF) require specially designed light emitting diode (LED) chips. Because of the absorption minimum of the POF, the red wavelength region around 650 nm is of special interest. LED chips in this region comprise active regions out of the AlGaInP material system.
27. - 28. September 2005 Darmstadt, Germany
International Symposium on Automotive Lighting, ISAL 2005
"Concepts for Backlighting LCDs with LEDs", Josef Hüttner
Many applications in automotive interior lighting are powered by LED´s. Increasingly this is also true for full color liquid crystal displays e.g. in navigation systems. The requirements refer to high luminance and best color- and brightness-uniformity which can be realized by direct backlights or by implementation of lightguides. Different LED types are available to suit these applications. Goal of the article is to summarize the approaches based on their advantages and disadvantages regarding power dissipation, Uniformity and technical feasibility as well as an economical analysis.
18. - 22. September 2005
ISCS2005, Rust, Germany
"In-situ monitoring of MOVPE growth with Reflectance Anisotropy Spectroscopy in an industrial used multi wafer reactor", C. Krahmer
Modern optoelectronic devices such as AlGaInP LEDs consist of multiple layers and many different materials. The epitaxy requires constant control of a number of sensitive parameters, e.g. doping and ordering. Reflectance anisotropy spectroscopy (RAS, also called RDS) as an in-situ tool suitable for gas phase conditions.
July 31 - Aug 4, 2005
SPIE, Optics & Photonics, San Diego Convention Center, San Diego, USA
"Breakthroughs in laser bar component packaging enable a new generation of applications for self-cooled laser diode arrays." S. Nagappan, R. Kojima et.al.
OSRAM Opto Semiconductors has developed a compact laser package platform that offers high power, reliability and different collimation options.
July 31 - Aug 4, 2005
SPIE, 5th International Conference on Solid State Lighting, San Diego, USA
"Realizing LED Illumination Lighting Applications" F. Nguyen, et al.
The critical semiconductor topics of forward voltage, lumen output, color and viewing angles will be discussed to realize commercially feasible LED lighting system solutions.
11. - 15 July 2005
CLEO-IQEC, Tokio, Japan
"High power semiconductor disk laser", P. Brick, T. Albrecht, et.al.
OSRAM Opto Semiconductors demonstrates high efficient Optically Pumped Semiconductor Disk Laser at different wavelengths.
12. - 17. June 2005
CLEO-EQEC, Munich, Germany
"0.7W CW Output Power from a Green Semiconductor Disk Laser", Dr. S. Lutgen, M. Kuehnelt, et.al.
OSRAM Opto Semiconductors demonstrates as research results 0.7W cw output power at 520nm from an intracavity frequency doubled Optically Pumped Semiconductor Disk Laser at room temperature. High beam quality and optical conversion efficiency of 10% has been achieved.
"High Efficient OPS-Disk Laser with Quantum-Well Pumping", Dr. S. Lutgen, W. Diehl, et.al.
OSRAM Opto Semiconductors demonstrates a new pump concept for high efficient Optically Pumped Semiconductor Disk Laser at room temperature.
5. - 8. June 2005
EW-MOVPE 2005, Lausanne, Switzerland
"GaN based light emitters", Dr. V. Härle
Over the last couple of years high brightness LEDs went through a huge variety of modifications. Todays LEDs compete and outperform conventional light sources like incadenscent bulbs and halogen lamps. This gain in performance enables the market entrance for new lighting applications. Efficiencies of 50lm/W have been reached by various designs.
23. - 27. May 2005
SID 2005, Boston
"High Speed Green Frequency Converted Semiconductor Laser for Projection Displays", U. Steegmüller, et al.
Recent progress on compact green laser for projection applications based on frequency doubled semiconductor structures will be presented. Avoiding external acousto- or electro-optical modulation for scanning laser displays, the green laser prototypes can be directly modulated in the 20-40 MHz range.
22 - 27. May 2005
CLEO-QELS, Baltimore, USA
"Efficient Quantum-Well Pumping of Semiconductor Disk Lasers at 920nm", T. Albrecht, M. Kuehnelt, et.al
OSRAM Opto Semiconductors demonstrates a new pump concept for high efficient Optically Pumped Semiconductor Disk Laser at room temperature.
17. May 2005
Blue 2005 / Advanced LEDs, Ambassador Hotel, Hsinchu, Taiwan
"Applications Update: Penetrating the New Markets", Dr. Volker Haerle
There are major regulatory, functional, characterization, reliability, and economic issues that need to be solved before we see mass acceptance of HB-LEDs in some of the most promising new applications. What's happening to overcome those, and how quickly will those opportunities really open up?
Blue 2005
7 - 9. February 2005
Strategies In Light 2005 Conference
San Francisco Airport Marriott in Burlingame, California
Dr. Ruediger Mueller, president and chief executive officer, OSRAM Opto Semiconductors "A High-Brightness LED Outlook", panel discussion, Wednesday, February 9th at 8:30 a.m.
Mike Godwin, general marketing manager, OSRAM Opto Semiconductors
"Trends in Automotive Interior Lighting", presentation, Tuesday, February 8th at 11:30 a.m.
For additional information on Strategies in Light 2005, please visit:
Strategies Unlimited
22.-27. January 2005
Photonics West, San José, USA
"Green Semiconductor Disk Laser with 0.7W cw Output Power", Dr. Stephan Lutgen
OSRAM Opto Semiconductors demonstrates as research results 0.7W cw output power at 520nm from an intracavity frequency doubled Optically Pumped Semiconductor Disk Laser at room temperature. High beam quality and optical conversion efficiency of 10% has been achieved.
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