Dual Spectrum Stabilized Fiber-Coupled Raman Laser Source

  • High Reliability
  • High Stability
  • Cost Effective



The DSFL 785 nm Spectrum Stabilized Fiber Coupled Laser Source outputs powerful and extremely stable dual wavelength lasers through a single fiber output connector that is ideal for Shifted Excitation Raman Difference Spectroscopy (SERDS), a method that effectively reduces the fluorescence interference in Raman Spectroscopy. The unit contains two fiber-coupled high-power diode that is spectrally narrowed and wavelength-stabilized by incorporating a Volume Bragg Grating (VGB).  It outputs over 300 mW and 500mW at both 784.5 nm and 785.5nm wavelength having wavelength stabilized within 0.5 nm.  This laser source contains a unique high-power fiber-optic switch with internal beam dump, which permits rapid on-and-off switching between the two wavelengths, while ensuring that no laser emission emerges from the FC/PC connector output port in between measurements. It is easy to operate from the front panel or via PC through a USB interface.


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Model Number DSFL-785
Wavelength (nm) 785
Laser Power (mW) 5 to 300
Line Width (nm) 0.1
Power Consumption (W) 3
Fiber Type 105um Core, NA 0.22
Operating Temperature  (ºC) 10 to 35