JDSU 6397-L3 High Power Fiber Coupled Diode Laser
The highly reliable 6397-L3 series laser diode offers 8.0 W of laser power from a 100um fiber into a 0.2 numerical aperture (NA). The L3 package incorporates a telecommunication design in a commercial product for high reliability.
The L3 multimode pump module is based on a single emitter diode laser and allows for a radical departure from standard bar-based pumping architectures. Hundreds of watts of highly reliable pump power can be easily achieved with a distributed architecture using multiple L3 modules and a multimode fiber coupler or fiber bundle. In a distributed architecture, cascading failure modes are avoided and ensemble statistics can be used to predict pump assembly lifetimes. The L3 multimode pump module eases thermal management by distributing the diode lasers (heat sources), allowing for a simple air or water cooled architecture in high power laser pumps and direct diode applications.
- Output Power: 8.0 W
- Operating Current: <11.3 A
- Operating Voltage: <2.3V
- Wavelength: 915nm +/- 10nm
- Fiber Length: ~1m
- Fiber core diameter: 105um
- Fiber Cladding: 125um
- Fiber NA: 0.22
- Fiber termination: none
- Pumping Ytterbium Doped Fiber Lasers
- Materials Processing (cutting, burning, etching, welding, soldering)
- Graphic Arts
- Medical / Dental
- Remote Power Generation
- Pyrotechnic Ignition
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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 using power supplies, the diode laser should be connected with the main power on and the output voltage at zero. The current should be increased slowly while monitoring the diode laser output power and the drive current.
Device degradation accelerates with increased temperature, and therefore careful attention to minimize 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.
These diode modules are brand new and a guaranteed to meet power and wavelength specification.
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