Cryogenic Yb:YAG Laser Pumped by VBG-Stabilized Narrowband Laser Diode at 969 nm


We have a tendency to present the laser performance of Yb:YAG at completely different cryogenic temperatures pumped by a volume Bragg grating (VBG)-stabilized narrowband fiber-coupled diode laser emitting at 968.7 nm for the first time to the best of our data. A most output power of half-dozen.54 W with a slope potency as high as sixty four.half dozen% is achieved at 140 K. The optimum temperature for 968.7 nm and 0.35 nm bandwidth VBG-stabilized pump source is found to be 140 K for Yb:YAG.

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PROJECT TITLE :On the Cryogenic RF Linearity of SiGe HBTs in a Fourth-Generation 90-nm SiGe BiCMOS TechnologyABSTRACT:Large-signal ( $P_rm 1,dB$ ) and small-signal (OIP3) radio frequency (RF) linearities of silicon-germanium (SiGe)

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