Lasers for Raman Spectroscope

Keywords: narrow linewidth, spectroscope Raman,DFB

Mar 06, 2021 View: 2532 Data Sheet

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

Submit Inquiry +65 63167112 sales@sintec.sg

STF Series Laser Diodes

1. Free Space Narrow Linewidth Laser Diode

Applications:

Raman Spectroscopy
Medical
Spectrum Analysis
Scientific Research

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

Specifications	Unit	Min	Typ	Max
Optical Data
CW Output Power	mW	350	-	-
Center Wavelength 	nm	784.5	785.0	785.5
Spectral Width (FWHM)	nm	-	-	0.1
Temperature Drift of 	nm/°C	-	0.01	-
Current Drift of 	nm/A	-	0.05	-
Electrical Data
Threshold Current	A	-	0.4	-
Operation Current	A	-	0.9	-
Operation Voltage	V	-	2.0	-
Slope Efficiency	W/A	-	0.7	-
PD Data
Current	μA	-	-	2000
Thermistor	kΩ / β(25°)	10±5% / 3450
TEC Data
Max. Current	A	-	-	2.5
Max. Voltage	V	-	-	6.3

Specifications	Unit	Min	Typ	Max
Temperature Conditions
Case Operation Temperature	°C	10	-	30
Storage Temperature	°C	-20	-	70
Other Parameters
Lead Soldering Temperature	°C	-	-	250
Lead Soldering Time	sec	-	-	10
Relative Humidity (Operating)	%	-	-	75
Relative Humidity (Storage)	%	-	-	90
Dimension	mm	38.1x12.7x8.1

2. Wavelength-stabilized Laser Diode

Features:

Wavelength 785nm
CW Output Power 100mW

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

Specifications	Unit	Min	Typ	Max
Optical Data
CW Output Power	mW	100	-	-
Center Wavelength 	nm	784.5	785.0	785.5
Spectral Width (FWHM)	nm	-	-	0.1
Temperature Drift of 	nm/°C	-	0.01	-
Electrical Data
Threshold Current	mA	-	50	-
Operation Current	mA	-	120	-
Slope Efficiency	W/A	-	0.85	-
Operation Voltage	V	-	2.0	-
Temperature Conditions
Case Operation Temperature	°C	20	-	30
Storage Temperature	°C	-20	-	70
Other Parameters
Lead Soldering Temperature	°C	-	-	250
Lead Soldering Time	sec	-	-	10
Relative Humidity (Operating)	%	-	-	75
Relative Humidity (Storage)	%	-	-	90
Dimension	mm	Dia. 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.

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 Parameters	Symbol	Min	Typ	Max	Unit
Optical Power	Pout	-	-	100	mW
Wavelength		784	785	786	nm
Line Width		-	175	-	MHz
Threshold Current	Ith	-	50	-	mA
Forward Current	If	-	130	200	mA
Forward Voltage	Vf	-	1.3	2.2	V
Reverse Voltage	Vr	-	-	2	V
Slope Efficiency	P/I	-	0.9	-	mW/mA
Beam Divergence, Perpendic.		-	25	-	°
Beam Divergence, Parallel	\|\|	-	10	-	°
Operating Temperature	Top	0	-	40	°C
Central Stabilized Temperature	Tc	15	-	35	°C
Stabilized Temperature Range	Tr	15	-	-	°C
Storage Temperature	Ts	-20	-	70	°C
Emitter Size	Es	1.5 x 3			µm
Coherence Length	> 1m
Polarization Orientation	TE
Dimension	Dia 4.4x3.9mm

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.

Wavelength (nm)	Output power (mW)	Wavelength (nm)	Output power (mW)
375	1~10	690	1~450
405	1~100	730	1~450
445	1~200	785	1~450
488	1~50	808	1~450
514.5	1~30	830	1~100
633	1~50	852	1~450
639	1~200	975	1~450
660	1~200	980	1~450

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%).

Detailed Specifications

Model	STC-FC-D-375	STC-FC-D-405
Central wavelength (nm)	375±0.5	405±0.5
Spectral line width (nm)	0.1 (0.06, optional)	0.1 (0.06, optional)
Operating mode	CW	CW
Fiber core diameter	100μm, 0.22 NA	100μm, 0.22 NA
Fiber connector	SMA905	SMA905
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 (℃)	20~30	20~30
Power supply	Adaptor or 5VDC@5A	Adaptor or 5VDC@5A
Expected lifetime (hours)	10000	10000
Warranty	1 year	1 year
Dimension and weight	169×115×52mm, 1.0kg	169×115×52mm, 1.0kg

Model	STC-FC-D-514.5	STC-FC-D-633
Central wavelength (nm)	514.5±0.5	633±0.5
Spectral line width (nm)	0.1 (0.06, optional)	0.1 (0.06, optional)
Operating mode	CW	CW
Fiber core diameter	100μm, 0.22 NA	100μm, 0.22 NA
Fiber connector	SMA905	SMA905
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 (℃)	20~30	20~30
Power supply	Adaptor or 5VDC@5A	Adaptor or 5VDC@5A
Expected lifetime (hours)	10000	10000
Warranty	1 year	1 year
Dimension and weight	169×115×52mm, 1.0kg	169×115×52mm, 1.0kg

Model	STC-FC-D-808	STC-FC-D-852
Central wavelength (nm)	808±0.5	852±0.5
Spectral line width (nm)	0.1 (0.06, optional)	0.1 (0.06, optional)
Operating mode	CW	CW
Fiber core diameter	100μm, 0.22 NA	100μm, 0.22 NA
Fiber connector	SMA905	SMA905
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 (℃)	20~30	20~30
Power supply	Adaptor or 5VDC@5A	Adaptor or 5VDC@5A
Expected lifetime (hours)	10000	10000
Warranty	1 year	1 year
Dimension and weight	169×115×52mm, 1.0kg	169×115×52mm, 1.0kg