Narrow spectral linewidth 0.06nm-0.1nm 690nm Laser for Raman Spectroscopy
This 690nm fiber coupled laser is specially designed for Raman spectroscopy.The spectral linewidth is optional from 0.1 nm and 0.06 nm according to customers requirements. Housed in ultra compact package, it is the good choice for Raman spectrometer, chemical and biological research, environmental science, jewelry appraisal, forensic appraisal, food/drug safety inspection, geological exploration, systems design and integration.
With narrow spectral bandwidth, spectral purity and a high level of wavelength stability, 690nm laser module is designed specially for Raman spectroscopy, which has integrated laser drivers and thermoelectric coolers together.
Central wavelength (nm) 690nm
Spectral line width (nm) 0.1 (0.06, optional)
Operating mode CW
Fiber core diameter 100um, 0.22 NA
Fiber connector SMA905
Output power after fiber (mW) >1, 2, 10
Power stability (rms, over 4 hours) <1%, <2%, <3%
Central wavelength stability (rms, over 2 hours) (pm) <10
Noise of amplitude (rms, 1~20MHz) <1%
Warm-up time (minutes) <5
Operating temperature 20~30
Power supply Adaptor(85-264VAC) 5VDC@5A Expected lifetime (hours) 10000 Warranty 1 year
Long term linewidth wavelength stability
Long term output power stability
Dimensions of laser
Optical Spectra of FC-D series laser
