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US2016178439A1   [0006] 
US2014200164A1   [0006] 
US2010297759A1   [0006]  [0006] 
US2014093949A1   [0006] 

Dual-Wavelength Y-Branch Distributed Bragg Reflector Diode Laser at 785 Nanometers for Shifted Excitation Raman Difference Spectroscopy   [0021]