We developed a high brightness fiber coupled diode laser module providing more than 200W output power from a 105μm NA 0.22 fiber at the wavelength of 915nm.The high brightness module has an electrical to optical efficiency better than 45% and power enclosure more than 90% within NA 0.17. It is based on multi-single emitters using optical and polarization beam combining and fiber coupling technique. With the similar technology, over 200W of optical power into a 105μm NA 0.22 fiber at 976nm is also achieved which can be compatible with the volume Bragg gratings to receive narrow and stabilized spectral linewidth. The light within NA 0.17 is approximately 90%. The reliability test data of single and multiple single emitter laser module under high optical load are also presented and analyzed using a reliability model with an emitting aperture optimized for coupling into 105μm core fiber. The total MTTF shows exceeding 100,000 hours within 60% confidence level. The packaging processes and optical design are ready for commercial volume production.
Feature:
High saturation output power
Low polarization sensitivity;
Simplified, efficient optical system
Other Power and wavelength are available
Application:
Laser Welding Machine
Medical diagnosis
Scientific research.
Spectrum analysis
Laser Printing Machine
Laser Pumping
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