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High-brightness fiber-coupled diode module using dense wavelength beam combining technology based on single emitter for material processing and fiber amplifier pumping
Fiber-coupled diode modules have various applications in material processing and fiber laser pumping because of their high efficiency and high reliability. Commercial fiber-coupled diode modules using spatial beam combining and polarization beam combining cannot be employed in high-brightness applications, for example metal cutting, which demands a laser power exceeding 1 kW with a BPP of a few mm*mrad. Dense wavelength beam combining (DWBC) technology showed the possibility of further scaling-up the output power of fiber-coupled diode modules while maintaining the same beam quality that allows for fiber-coupled diode modules to be used in high-brightness applications. The efficiency, reliability, and brightness of fiber-coupled diode modules can be improved by using single emitters instead of laser diode bars as power sources in DWBC. Two types of high-brightness 100 µm/0.22 NA 2 kW fiber-coupled diode modules employing single-emitter-based DWBC technology, which have a wavelength range from 953 to 991 nm with 50% efficiency and a narrower wavelength range with 48% efficiency respectively, were developed for material processing and Raman fiber amplifier pumping. Furthermore, we combined 15 high-brightness 100 µm/0.22 NA 1.4 kW fiber-coupled diode modules into a 600 µm/0.22 NA fiber, achieving more than 22 kW at the output.
See more information 白箭头 黑箭头
Volume Manufacturing of High Power Diode Lasers Using 6" Wafers
In this paper, we present the latest progress on 6" wafer production line at Everbright Photonics Co. Ltd., which produces multi-million chips per month for fiber laser pumping. The uniformity and reproducibility of epitaxial and fabricated 6" wafers will be detailly presented. High power laser device’s performance will also be reported.
See more information 白箭头 黑箭头
High performance multi-junction VCSELs for LiDAR applications
The progress on high performance multi-junction VCSEL array emitting around 940 nm is reported.
See more information 白箭头 黑箭头
Governor of Jiangsu Province, investigates Everbright
On May 12, Xu Kunlin, deputy secretary of the Jiangsu Provincial Party Committee and governor of Jiangsu Province, and his party investigated the epidemic prevention and control , economic and social development in Suzhou. Period, they visited the Suzhou Semiconductor Laser Innovation Research Institute.
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 Everbright

Address: No.56 Lijiang Road, Science and Technology City, Suzhou, Jiangsu Province
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Website:www.everbrightphotonics.com
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 Everbright

Address: No.2, No.189 Kunlunshan Road, Science and Technology City, Suzhou High-tech Zone
Mailbox:
sales@everbrightphotonics.com
Website:www.everbrightphotonics.com
Phone:0512-66896988

Fax:0512-66806323

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