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Marketing Manager of Industrial High Power Diode Laser

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Presentation on theme: "Marketing Manager of Industrial High Power Diode Laser"— Presentation transcript:

1 Marketing Manager of Industrial High Power Diode Laser
Laser Munich June Advancements in Reliable, High Power, Single-Emitter Diode Lasers Franck Leibreich Marketing Manager of Industrial High Power Diode Laser

2 Outline Introduction Operations Highlights
High Power Fiber Laser Pumps: L3 Products Multi-Cell Life Test L4 Development SHEDS Bar Results

3 Outline Introduction Operations Highlights
High Power Fiber Laser Pumps: L3 Products Multi-Cell Life Test L4 Development SHEDS Bar Results

4 High Power Lasers Operations Highlights
Diode laser fab in San Jose (former SDL) Test and Assembly at JDSU Shenzhen JDSU Shenzhen Opened January 2001 32,000 m2 working space 15,000 m2 clean room >2600 employees

5 Outline Introduction Operations Highlights
High Power Fiber Laser Pumps: L3 Products Multi-Cell Life Test L4 Development 808nm Chip and Multi Cell Life Test SHEDS Bar Results

6 Packaging Diodes to Fit Application Needs
Standardized Carriers Bare Chip on Sub-mounts (CoS) Open heat sinks Encapsulated devices Integrated with MPD &/or TEC Fiber-coupled Modules Telecom grade 14-pin BTF Industrial “L” series

7 New: 54XX Series “J” Package
Features 810, 830 & 852nm (others available) Up to 100mW linear kink-free 5.9mm diameter TO-56 canister Diffraction-limited (M2<1.1) 9° x 30° FWHM beam Highly robust solder technology (AuSn) Applications IR illumination & /or designation, Sensing, measurement & control, thermal printing & imaging, point-to-point, high data rate communication

8 976nm Single Mode Fiber Laser Pumps
Product Suite 2700 Series (up to 300mW) 2900 Series (up to 500mW) 3000 Series (NEW! Up to 660mW) Features Telcordia Qualified Spatial Single Mode Wavelength Stabilized with FBG Polarization Maintained Fiber Option (Standard on 3000 Series) Application Fiber Laser Pumping

9 8.5W 6397-L3 9XXnm Current Generation
Features: 8.5W operating power at 25°C 105µm/0.22 NA pigtail >200,000hrs MTBF Robust to power cycling (0.5 Hz) Telcordia-class diode and package

10 6397-L3 9XXnm L-I Curve vs Temperature
Typical L-I characteristics of a JDSU-6397 laser diodes at different temperatures

11 Maximum Power From 6397 Chip at 9xx nm
6397 achieves >20.0W maximum CW power Reliable power is limited by waste heat

12 Current 6397-L3 Brightness 6397-L3 105μm 0.22 NA
pigtail core is under-filled Well above 90% of power is within 0.15 NA JDSU is committing R&D to delivering the brightest fiber-coupled single-emitter lasers

13 Best-in-class Reliability and Quality
L3 platform shipping since Sept. 2003 JDSU has 13 year track record supplying high power, multimode 9xx nm pump diode lasers: >100,000 shipped 4800-L3 Series qualifies for Telcordia – March ‘05 L3 package satisfies rigorous telecom reliability standard Over 30, x-L3 diode lasers shipped Assembled in JDSU Shenzhen since Feb 2004 Over 30 million deployment hours 3500–4000 dppm out-of-the box and assembly failure return rate dppm for all returns, including “no problem found”

14 Which data would you prefer to see your supplier present?
100um stripe, 808nm 20 units, 7500 hours Tested to nominal deployment conditions ? 100um stripe, 915/940nm 20 units, 5000 hours Tested to nearly 2x Iop, 145°C junction temperature Elapsed time (hrs) Elapsed time (hrs) JDSU is proud to offer both devices to the market… …but all recently released and future products are tested to failure Weaknesses of “rose-colored glasses reliability” No data on robustness (what happens at 1.2x Pop? What happens in Year Two of deployment?) How does reliability scale with temperature, power, current (i.e. real use conditions)?

15 6390 Diode Laser Multi-cell Test Results
Cells 1/3/5 and 4/6 vary I at constant Tj Failure rates increase with current/power Cells 2/3/4 and 5/6 vary Tj at constant I Failure rates correlate with power, not temperature

16 Multi-cell testing yields a “user’s manual”
6390 Median time-to-failures for different operating conditions

17 6397 Multi-cell Life Test 6397, 9xxnm 10W chip (100um aperture)
95 lasers from 11 wafers, 7 growth runs Diodes are distributed among 5 cells with different very accelerated conditions Major acceleration factors – junction temperature Tj and optical power

18 Failure rate model for 6397 chip at 9xx nm
MTBF vs. output power for different heat sink temperatures 6397 MTBF and cumulative failures for different operation conditions

19 L4…the Future 2008 L4 Series, the Highest Power Available with One Single Emitter Design!!!

20 10 W 6398-L4 Development Program
Features: 10W operating power at 25°C 105µm/0.22 NA pigtail 200,000hrs MTBF 915/940/975nm wavelengths Isolated Anode and Cathode RoHS Compliant Cost Effective Package, less $$$ per Watt!!! Fully Release to Production in January 2008 Applications: Fiber and Solid laser pumping, Direct diode material processing, Medical (dental, dermatology, surgery)

21 L4 alpha Sample L-I Curve at 25°C
CE = 90% 8W (.2NA) = 9.5A 10W (.2NA) = 12.4A 90% coupling efficiency Very good performance into NA=0.16

22 Outline Introduction Operations/R&D Highlights
High Power Fiber Laser Pumps: L3 Products Multi-Cell Life Test L4 Development SHEDS Bar Results

23 Optimizing single-emitter efficiency
Research funded by DARPA SHEDS program promises power conversion efficiency improvements in future fiber laser pumps

24 SHEDS 940 nm Bars >75% Bar Efficiency at 80W and above >69% Stack Efficiency (NIST) to 500W and beyond

25 High Power 300W Bar Preliminary Specification

26 PCE Curve

27 Slow Axis Divergence – Single Emitter Data

28 What’s next at JDSU? Scaling the power on the Single Emitters Focus on the fiber laser pumps Focus on cost effective solution $/W!! Focus on higher brightness $/W/Sterradian!! Product with high level of integration leveraging the telecom experience like the new FCD 488 laser

29 JDSU FCD-488 Blue Laser Telecom EDFA

30 Thank You! Thanks to: Erik Zucker, Victor Rossin, Thomas Kraft and many other JDSU colleagues


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