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| COMMERCIAL LASERS High-Power 10 W 976 nm Fiber-Coupled Diode Laser 6398-L4t Series Key Features * 9763 nm wavelength * 10 W output power * High reliability * 105 m aperture * 0.22 or 0.15 N A * Isolated electrical contacts Application * Fiber laser pumping The JDSU L4t Series fiber-coupled diode laser expands our L4 platform by offering a tighter wavelength range specification of 976 nm for the fiber laser pumping market. By acurately controlling the wavelength of the epitaxial structure during growth, the L4t is specified at 3 nm around 976 nm for pumping fiber lasers in this narrow pump absorption bandwidth. Our 6398-L4t series diode lasers offer 10 W of power from a 105 m fiber. In addition, the L4t multimode pump modules take advantage of the existing global JDSU manufacturing infrastructure to offer both high brightness and a small footprint with consistent high reliability in a cost-effective solution. NORTH AMERICA: 800 498-JDSU (5378) WORLDWIDE: +800 5378-JDSU WEBSITE: www.jdsu.com 6398-L4t SERIES 2 Dimensions Diagram (Specifications in mm unless otherwise noted.) Standard Tolerances mm: x.x = 0.5 x.xx = 0.25 11.8 2x 4.3 2X 2.5 2x A 1 13 17 Strain relief boot Metal case 7.5 B 31 10 8.5 (3.9 ) 1.5 3.9 2.54 7.7 Pinout Pin A B Description Laser cathode (-) Laser anode (+) 6398-L4t SERIES 3 Specifications for 0.22NA1 Parameter Laser Characteristics CW output power Mean wavelength2 Spectral width (90% integrated power) Slope efficiency Conversion efficiency Threshold current Operating current (BOL) Forward voltage Series resistance Recommended case temperature Wavelength tuning vs. temperature3 Wavelength tuning vs. output power Fiber Characteristics Fiber core diameter Fiber numerical aperture Fiber cladding Fiber buffer Fiber length 1. All performance data measured at 10 W, 25C, beginning of Life (BOL). 2. Weighted average "center of mass" spectral point at 25C at PO 3. Change in mean with case temperature over Top Symbol Minimum Typical Maximum Po p 976 nm D 975 nm Ith Iop 975 nm Vf Rs Tc /T /P dc NA dcl db lf 973 nm 20C 0.20 0.9 m 976 nm 3 nm 0.90 W/A 48% 600 mA 11.8 A 1.81 V 0.04 25C 0.35 nm/C 1.0 nm/W 105 m 0.22 125 m 250 m 1m 10 W 979 nm 6 nm 850 mA 13.0 A 2.0 V 40C 0.24 - 6398-L4t SERIES 4 Specification for 0.15 NA1 Parameter Laser Characteristics CW output power Mean wavelength2 Spectral width (90% integrated power) Slope efficiency Conversion efficiency Threshold current Operating current Forward voltage Series resistance Recommended case temperature Wavelength tuning vs. temperature3 Wavelength tuning vs. output power Fiber Characteristics Fiber core diameter Fiber numerical aperture Fiber cladding Fiber buffer Fiber length 1. All performance data measured at 10 W, 25C, beginning of Life (BOL). 2. Weighted average "center of mass" spectral point at 25C at PO 3. Change in mean with case temperature over Top Symbol Minimum Typical Maximum Po p 976 nm D 975 nm Ith Iop 975 nm Vf Rs Tc /T /P dc NA dcl db lf 973 nm 20C 0.135 0.9 m 976 nm 3 nm 0.90 W/A 46% 600 mA 12.3 A 1.81 V 0.04 25C 0.35 nm/C 1.0 nm/W 105 m 0.15 125 m 250 m 1m 10 W 979 nm 6 nm 850 mA 13.5 A 2.0 V 40C 0.165 - 6398-L4t SERIES 5 Absolute Maximum Ratings Parameter Operating current Reverse voltage Case operating temperature1 Storage temperature2 Lead soldering temperature, 10 s max Relative humidity, non-condensing, ambient < 45C Electrostatic discharge (ESD)3 Fiber bend radius (long term deployment)4 Fiber axial pull force, 15 s Fiber side pull force, 15 s Symbol Iop Vrvs Top Tstg Tls RH Vesd Minimum 15C -30C 30 mm - Typical - Maximum 14 A 2.0 V 50C 70C 300C 85% 500 V 5N 2.5 N 1. Noncondensing, maximum 2. Noncondensing, 2000 hours 3. C = 100 pF, R = 1.5 k, human body model, shown to be not damaging to its LI characteristics or its reliability, I-V curves may change in this ESD environment 4. Minimum bend radius of 30 mm is for long term mechanical fiber reliability; however for 0.15 NA some optical loss may occur and a minimum bend radius of 45 mm is recommended for layout with multiple fiber coils. Configurations Product Code L4-9897603-100B L4-9897603-100C Wavelength Range 973-979nm 973-979nm Fiber NA 0.22 0.15 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: L4-9897603-100B 6398-L4t SERIES User Safety Safety and Operating Considerations The laser light emitted from this diode laser is invisible and may be harmful to the human eye. Avoid looking directly into the diode laser 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 diode laser 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 diode lasers may be damaged by excessive drive current or switching transients. When power supplies are used, the diode laser should be connected with the main power on and the output voltage at zero. The current should be increased slowly while the diode laser 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 50 C rather than 25 C. A proper heatsink for the diode laser on a thermal radiator will greatly enhance laser life. Firmly mount the laser on a radiator with a thermal impedance of less than 0.5 C/W for increased reliability. ESD PROTECTION--Electrostatic discharge is the primary cause of unexpected diode laser failure. Take extreme precaution to prevent ESD. Use wrist straps, grounded work surfaces, and rigorous antistatic techniques when handling diode lasers. 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. Serial Number Identification Label L4-ABC123 Model: L4-9897603-100B JDSU 3 Hongmian Road Futian Free Trade Zone Shenzhen 518038 Made in: China Output Power Danger Label DANGER INVISIBLE LASER RADIATION* AVOID EYE OR SKIN EXPOSURE TO DIRECT OR SCATTERED RADIATION GaAlAs Diode CW 10 W max. CLASS IV LASER PRODUCT *SEE MANUAL 3110 NORTH AMERICA: 800 498-JDSU (5378) WORLDWIDE: +800 5378-JDSU WEBSITE: www.jdsu.com 6398L4t.DS.CL.AE September 2008 Product specifications and descriptions in this document subject to change without notice. (c) 2008 JDS Uniphase Corporation 30162507 000 0908 09/03/08 Serial: L4-ABC123 |
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