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COMMUNICATIONS COMPONENTS
Uncooled Multi-Mode Pump Module 4900 Series
Key Features
* High output power up to 8 W * 105 m aperture * 0.22 NA * Isolated electrical contacts * High reliability
Applications
* Er/Yb co-doped, double-clad fiber amplifiers * High-power EDFAs for CATV and FTTx
The JDSU 4900 Series uncooled multimode pump modules simplify nextgeneration, high-power erbium doped fiber amplifier (EDFA) designs for CATV and FTTx applications by eliminating the need for thermoelectric coolers and their control circuitry. The 4900 Series builds upon the field-proven success of the JDSU 4800 Series. The new pump features higher power in a smaller, coolerless footprint with isolated electrical pins for simplified thermal and electrical management. Up to 8 W of optical power from a 105 m fiber pigtail makes the 4900 Series the ideal solution for the FTTx and CATV high-power EDFA pumping market. In addition, the 4900 Series takes advantage of existing global JDSU infrastructure to combine a highly reliable design with cost-effective manufacturing.
NORTH AMERICA: 800 498-JDSU (5378)
WORLDWIDE: +800 5378-JDSU
WEBSITE: www.jdsu.com
4900 SERIES
2
Dimensions Diagram (Specifications in mm unless otherwise noted.)
Pinout
Pin A B
Description Laser cathode (-) Laser anode (+)
4900 SERIES
3
Absolute Maximum/Minimum Ratings
Parameter
Symbol
Test Conditions Min.
4W Max. 8.0 A 2.0 V 75C 85C 300C 85% 500 V 5N 2.5 N Min. -10C -40C -
6W Max. 11.0 A 2.0 V 75C 85C 300C 85% 500 V 5N 2.5 N Min. -10C -40C -
8W Max. 13.0 A 2.0 V 75C 85C 300C 85% 500 V 5N 2.5 N
Operating current Reverse voltage Case operating temperature Storage temperature Lead soldering temperature, 10s max Relative humidity, non-condensing, ambient < 45C Electrostatic discharge (ESD) Fiber bend radius (long term deployment) Fiber axial pull force, 15s Fiber side pull force, 15s
Iop Vrvs Top Tstg Tls RH Vesd
Non-condensing -
-10C -40C 30 mm -
30 mm -
30 mm -
Operating Powers
(Over -5 to 70C case temperature.)
Product Code 49-3940-4000-B 49-1540-6000-B 49-3940-6000-B 49-1540-8000-B 49-3940-8000-B
Operating Powers Pop 4.0 W 6.0 W 6.0 W 8.0 W 8.0 W
Maximum Iop (BOL) at Pop 6500 mA 9000 mA 9100 mA 11000 mA 11100 mA
Maximum Iop (EOL) at Pop 7200 mA 10000 mA 10100 mA 12200 mA 12300 mA
Available Wavelength Selection
(Over -5 to 70C case temperature and rated power.)
Product Code 49-3940-4000-B 49-1540-6000-B 49-3940-6000-B 49-1540-8000-B 49-3940-8000-B
Minimum Wavelength 912 nm 891 nm 914 nm 893 nm 916 nm
Maximum Wavelength 961 nm 941 nm 963 nm 943 nm 965 nm
4900 SERIES
4
Electro-Optical Performance (Over -5 to 70C case temperature unless otherwise noted.)
Parameter
Symbol Min.
4W Typ. 934 nm 3 nm 600 mA 4.5 A 5.5 A 1.6 V 0.04 25C 0.35 nm/C 1.0 nm/W 3.3 W 4.4 W
Max. 4W 945 nm 6 nm 900 mA 5.5 A 6.5 A 1.95 V 70C 4.5 W 5.9 W
Min. 902 nm 925 nm -5C -
6W Typ. 914 nm 936 nm 3 nm 600 mA 6.8 A 6.9 A 7.7 A 7.8 A 1.7 V 0.04 25C 0.35 nm/C 1.0 nm/W 4.7 W 5.9 W
Max. 6W 925 nm 947 nm 6 nm 900 mA 7.5 A 7.6 A 9.0 A 9.1 A 1.95 V 70C 2.0 V 6.7 W 8.7 W
Min. 904 nm 927 nm -5C -
8W Typ. 916 nm 938 nm 3 nm 600 mA 8.8 A 8.9 A 10.3 A 10.4 A 1.8 V 0.04 25C 0.35 nm/C 1.0 nm/W 6.4 W 9.0 W
Max. 8W 927 nm 949 nm 6 nm 900 mA 9.7 A 9.8 A 11.0 A 11.1 A 1.95 V 70C 2.0 V 8.9 W 11.6 W
Optical power (fiber) Mean wavelength, 25C, Po Spectral width (90% integrated Power), 25C, Po Threshold current, 25C, Po Operating current, 25C, Po
Po p 915 nm p 939 nm
923 nm -5C -
Ith Iop 915 nm Iop 939 nm Operating current, 70C, Po Iop 915 nm Iop 939 nm Forward voltage Vf Series resistance Rs Recommended case temperature Tc Wavelength shift with temperature /T Wavelength shift with /Pf power exit fiber Laser diode forward voltage Vfwd Power dissipation, 25C, Po Pdiss Power dissipation, 70C, Po
Note: All performance data measured at Po W, 25C, Beginning of Life (BOL)
Fiber Pigtail Properties
Parameter Fiber core diameter Fiber NA Fiber cladding diameter Buffer diameter Fiber length
Symbol dc NA dcl db lf
Minimum 0.20 0.9 m
Typical 105 m 0.22 125 m 250 m 1.0 m
Maximum 0.24 -
Ordering Information
For more information on this or other products and their availability, please contact your local JDSU account manager or JDSU directly at 1-800-498-JDSU (5378) in North America and +800-5378-JDSU worldwide, or via e-mail at customer.service@jdsu.com.
Sample: 49-3940-6000-B
Product Code 49-3940-4000-B 49-1540-6000-B 49-3940-6000-B 49-1540-8000-B 49-3940-8000-B Description 912 to 961 nm, 4 W, 0.22 NA 891 to 941 nm, 6 W, 0.22 NA 914 to 963 nm, 6 W, 0.22 NA 893 to 943 nm, 8 W, 0.22 NA 916 to 965 nm, 8 W, 0.22 NA
4900 SERIES
User Safety
Safety and Operating Considerations The laser light emitted from this laser diode is invisible and may be harmful to the human eye. Avoid looking directly into the laser diode or into the collimated beam along its optical axis when the device is in operation. CAUTION: THE USE OF OPTICAL INSTRUMENTS WITH THIS PRODUCT WILL INCREASE EYE HAZARD. Operating the laser diode outside of its maximum ratings may cause device failure or a safety hazard. Power supplies used with the component must be employed such that the maximum peak optical power cannot be exceeded. CW laser diodes may be damaged by excessive drive current or switching transients. When power supplies are used, the laser diode should be connected with the main power on and the output voltage at zero. The current should be increased slowly while the laser diode output power and the drive current are monitored. Device degradation accelerates with increased temperature, and therefore careful attention to minimizing the case temperature is advised. For example, life expectancy will decrease by a factor of four if the case is operated at 50C rather than 30C. A proper heatsink for the laser diode on a thermal radiator will greatly enhance laser life. Firmly mount the laser on a radiator with a thermal impedance of less than 0.5C/W for increased reliability. ESD PROTECTION - Electrostatic discharge is the primary cause of unexpected laser diode failure. Take extreme precaution to prevent ESD. Use wrist straps, grounded work surfaces, and rigorous antistatic techniques when handling laser diodes.
Labeling
21 CFR 1040.10 Compliance Because of the small size of these devices, each of the labels shown is attached to the individual shipping container. They are illustrated here to comply with 21 CFR 1040.10 as applicable under the Radiation Control for Health and Safety Act of 1968. Output Power Danger Label Serial Number Identification Label
49-ABC123
RoHS 6 JDS Uniphase (Shenzhen) Ltd 3 Hongmian Road Futian Free Trade Zone Shenzhen, China 518038 Made in China
DANGER
INVISIBLE LASER RADIATION*
AVOID EYE OR SKIN EXPOSURE TO DIRECT OR SCATTERED RADIATION
GaAlAs Diode CW 8 W max.
3110
Model:
49-3940-6000-B
CLASS IV LASER PRODUCT *SEE MANUAL
NORTH AMERICA: 800 498-JDSU (5378)
WORLDWIDE: +800 5378-JDSU
WEBSITE: www.jdsu.com September 2008
Product specifications and descriptions in this document subject to change without notice. (c) 2008 JDS Uniphase Corporation 30149474 001 0908 4900PUMP.DS.CC.AE Telcordia is a registered trademark of Telcordia Technologies Incorporated.
2008-6-24
Serial:
49-ABC123 China

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