Lasers for Raman Spectroscope

Lasers for Raman Spectroscope

Keywords: narrow linewidth, spectroscope Raman,DFB
Mar 06, 2021 View: 2088 Data Sheet

Lasers for Raman spectroscopy, wavelength available from 375nm to 980 nm and spectral linewidth from 0.1 nm and 0.06 nm.

STF Series Laser Diodes

1. Free Space Narrow Linewidth Laser Diode

diode laser

Applications:

  • Raman Spectroscopy

  • Medical

  • Spectrum Analysis

  • Scientific Research

Part number: STF-FRLD-785-350-FS-VBG-BTF

SpecificationsUnitMinTypMax
Optical Data



CW Output PowermW350--
Center Wavelength nm784.5785.0785.5
Spectral Width (FWHM)nm--0.1
Temperature Drift of nm/°C-0.01-
Current Drift of nm/A-0.05-
Electrical Data



Threshold CurrentA-0.4-
Operation CurrentA-0.9-
Operation VoltageV-2.0-
Slope EfficiencyW/A-0.7-
PD Data



CurrentμA--2000
ThermistorkΩ / β(25°)10±5% / 3450
TEC Data



Max. CurrentA--2.5
Max. VoltageV--6.3
SpecificationsUnitMinTypMax
Temperature Conditions



Case Operation Temperature°C10-30
Storage Temperature°C-20-70
Other Parameters



Lead Soldering Temperature°C--250
Lead Soldering Timesec--10
Relative Humidity (Operating)%--75
Relative Humidity (Storage)%--90
Dimensionmm38.1x12.7x8.1

diode laser2. Wavelength-stabilized Laser Diode

Features:

  • Wavelength 785nm

  • CW Output Power 100mW

Part number: STF-FRLD-785-100-VBG-TO56

SpecificationsUnitMinTypMax
Optical Data



CW Output PowermW100--
Center Wavelength nm784.5785.0785.5
Spectral Width (FWHM)nm--0.1
Temperature Drift of nm/°C-0.01-
Electrical Data



Threshold CurrentmA-50-
Operation CurrentmA-120-
Slope EfficiencyW/A-0.85-
Operation VoltageV-2.0-
Temperature Conditions



Case Operation Temperature°C20-30
Storage Temperature°C-20-70
Other Parameters



Lead Soldering Temperature°C--250
Lead Soldering Timesec--10
Relative Humidity (Operating)%--75
Relative Humidity (Storage)%--90
DimensionmmDia. 5.4x12.6

3. VBG Laser Diode 780nm 100mW

STF-FOLD-785-100S-VBG is a single mode semiconductor laser diode with 100mW CW output power at 785nm. Due to the integrated VBG the wavelength is fixed and the spectral width is very narrow. It is suitable for the use in various optoelectronic applications.

diode laser

APPLICATIONS:

  • Raman Spectroscopy

  • Bio-Instrumentation

  • Metrology

  • Sensing

  • Analytical Instrumentation

Optical and electrical characteristics (T = 25°C, P = 100mW):

Part number: STF-FOLD-785-100S-VBG

Operating ParametersSymbolMinTypMaxUnit
Optical PowerPout--100mW
Wavelength784785786nm
Line Width-175-MHz
Threshold CurrentIth-50-mA
Forward CurrentIf-130200mA
Forward VoltageVf-1.32.2V
Reverse VoltageVr--2V
Slope EfficiencyP/I-0.9-mW/mA
Beam Divergence, Perpendic.-25-°
Beam Divergence, Parallel||-10-°
Operating TemperatureTop0-40°C
Central Stabilized TemperatureTc15-35°C
Stabilized Temperature RangeTr15--°C
Storage TemperatureTs-20-70°C
Emitter SizeEs1.5 x 3µm
Coherence Length> 1m
Polarization OrientationTE
DimensionDia 4.4x3.9mm

diode lasers  

STC Series Lasers for Raman Spectroscopy

STC-FC-D series fiber coupled laser is specially designed for Raman spectroscopy, wavelength available from 375nm to 980 nm. The spectral linewidth is optional from 0.1 nm and 0.06 nm according to customers' actual requirements. Housed in ultra compact package, it is the perfect choice for Raman spectrometer, chemical and biological research, environmental science, jewelry appraisal, forensic appraisal, food/drug safety inspection, geological exploration, systems design and integration.

narrow linewidth lasers  

Wavelength (nm)Output power (mW)Wavelength (nm)Output power (mW)
3751~106901~450
4051~1007301~450
4451~2007851~450
4881~508081~450
514.51~308301~100
6331~508521~450
6391~2009751~450
6601~2009801~450

Note: The model of laser is STC-FC-D-X-Y, X stands for wavelength in nm and Y stands for laser power in mW. When placing the order, please indicate spectral line width (0.1 0r 0.06nm) and power stability (1%, 2% or 3%).

narrow linewidth laser  narrow linewidth lasers  

narrow linewidth laser  narrow linewidth lasers  

Detailed Specifications

Model STC-FC-D-375 STC-FC-D-405
Central wavelength (nm)375±0.5405±0.5
Spectral line width (nm)0.1 (0.06, optional)0.1 (0.06, optional)
Operating modeCWCW
Fiber core diameter100μm, 0.22 NA100μm, 0.22 NA
Fiber connectorSMA905SMA905
Output power after fiber (mW)>1, 2, …, 10>1, 10, …, 100
Power stability (rms, over 4 hours)<1%,><1%,>
Central wavelength stability (rms, over 2 hours) (pm)<10><10>
Noise of amplitude (rms, 1~20MHz)<1%><1%>
Warm-up time (minutes)<5><5>
Operating temperature (℃)20~3020~30
Power supplyAdaptor or 5VDC@5AAdaptor or 5VDC@5A
Expected lifetime (hours)1000010000
Warranty1 year1 year
Dimension and weight169×115×52mm, 1.0kg 169×115×52mm, 1.0kg
Model STC-FC-D-514.5 STC-FC-D-633
Central wavelength (nm)514.5±0.5633±0.5
Spectral line width (nm)0.1 (0.06, optional)0.1 (0.06, optional)
Operating modeCWCW
Fiber core diameter100μm, 0.22 NA100μm, 0.22 NA
Fiber connectorSMA905SMA905
Output power after fiber (mW)>1, 2, …, 30>1, 10, …, 50
Power stability (rms, over 4 hours)<1%,><1%,>
Central wavelength stability (rms, over 2 hours) (pm)<10><10>
Noise of amplitude (rms, 1~20MHz)<1%><1%>
Warm-up time (minutes)<5><5>
Operating temperature (℃)20~3020~30
Power supplyAdaptor or 5VDC@5AAdaptor or 5VDC@5A
Expected lifetime (hours)1000010000
Warranty1 year1 year
Dimension and weight169×115×52mm, 1.0kg 169×115×52mm, 1.0kg
Model STC-FC-D-808 STC-FC-D-852
Central wavelength (nm)808±0.5852±0.5
Spectral line width (nm)0.1 (0.06, optional)0.1 (0.06, optional)
Operating modeCWCW
Fiber core diameter100μm, 0.22 NA100μm, 0.22 NA
Fiber connectorSMA905SMA905
Output power after fiber (mW)>1, 100, …, 450>1, 100, …, 450
Power stability (rms, over 4 hours)<1%,><1%,>
Central wavelength stability (rms, over 2 hours) (pm)<10><10>
Noise of amplitude (rms, 1~20MHz)<1%><1%>
Warm-up time (minutes)<5><5>
Operating temperature (℃)20~3020~30
Power supplyAdaptor or 5VDC@5AAdaptor or 5VDC@5A
Expected lifetime (hours)1000010000
Warranty1 year1 year
Dimension and weight169×115×52mm, 1.0kg 169×115×52mm, 1.0kg
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