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VCSEL Gas Analysis
15xx nm VCSEL Key Features
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1512 nm VCSEL for H2O detection
-
1564 nm VCSEL for CO detection
-
1580 nm VCSEL for H2S detection
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Operating temperature: -20 to +70 °C (max.)
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Wide tunability and wavelength accuracy
-
Fast performance for current modulation
-
Cooled and un-cooled versions available
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Various packaging options (TO, pigtail, hermetically sealed, etc.)
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Low power dissipation and low threshold voltage and current
1512 nm Laser Specifications
Parameter
Condition
Symbol
Units
Min.
Max.
Ratings
Target Wavelength
Vacuum
λ0
nm
1512
Current at Target Wavelength
, To=Tλ0
a
c
Iλ0
mA
2
10
Temperatrure at Target Wavelength
, Io=Tλ0
a
d
Tλ0
°C
15
35
Optical Power at Target Wavelenth
, To=Tλ0
a
c
, Io=Ic0
d
Pλ0
mW
0.2
3.0
Maximum Optical Power
c
d
To=20°C , Io=Imax
Pmax
mW
0.4
3.5
Threshold Current
Ith
mA
0.1
3.0
To=Tλ0
c
Operating Voltage @ Pmax
Vmax
V
2.5
To=20°C , Io=Imax
c
d
Current Tuning Coefficient
Δλ/ΔI
nm/mA
0.2
0.9
To=Tλ0 , Io=Iλ0 , f=0 Hz
c
d
b
Temperature Tuning Coefficient
Δλ/ΔT
nm/K
0.08
0.2
To=Tλ0
, Io=Iλ0
d
c
Slope Efficiency
ΔP/ΔI
mW/mA
0.05
0.5
To=Tλ0
, Io=Iλ0
d
c
SMSR at Target Wavelength
SMSR
dB
25
transverse and polarisation modes
, Io=Iλ0
To=Tλ0
c
d
Note a: Target wavelength λ=λ0
Note b: Higher modulation frequency will decrease tuning range, change <10% with f<10KHz
Note c: To: Submount temperature
Note d: Io: Laser operating current
Spec_1512_V2.1.0
LIV Curve
Example data of 1512 nm VCSEL
Example data of 1512 nm VCSEL
1564 nm Laser Specifications
Parameter
Condition
Symbol
Units
Min.
Max.
Ratings
Target Wavelength
Vacuum
λ0
nm
1564
Current at Target Wavelength
, To=Tλ0
a
c
Iλ0
mA
2
10
Temperatrure at Target Wavelength
, Io=Tλ0
a
d
Tλ0
°C
15
35
Optical Power at Target Wavelenth
, To=Tλ0
a
c
, Io=Ic0
d
Pλ0
mW
0.2
3.0
Maximum Optical Power
c
d
To=20°C , Io=Imax
Pmax
mW
0.4
3.5
Threshold Current
Ith
mA
0.1
3.0
To=Tλ0
c
Operating Voltage @ Pmax
Vmax
V
2.1
To=20°C , Io=Imax
c
d
Current Tuning Coefficient
Δλ/ΔI
nm/mA
0.2
0.9
To=Tλ0 , Io=Iλ0 , f=0 Hz
c
d
b
Temperature Tuning Coefficient
Δλ/ΔT
nm/K
0.08
0.2
To=Tλ0
, Io=Iλ0
d
c
Slope Efficiency
ΔP/ΔI
mW/mA
0.05
0.5
To=Tλ0
, Io=Iλ0
d
c
SMSR at Target Wavelength
SMSR
dB
25
transverse and polarisation modes
, Io=Iλ0
To=Tλ0
c
d
Spec_1564_V2.1.0
Note a: Target wavelength λ=λ0
Note b: Higher modulation frequency will decrease tuning range, change <10% with f<10KHz
Note c: To: Submount temperature
Note d: Io: Laser operating current
LIV Curve
Example data of 1564 nm VCSEL
Example data of 1564 nm VCSEL
1570 / 1580 / 1590 nm Laser Specifications
Parameter
Condition
Symbol
Units
Min.
Max.
Ratings
Target Wavelength
Vacuum
λ0
nm
1570 / 1580 / 1590
Current at Target Wavelength
, To=Tλ0
a
c
Iλ0
mA
2
10
Temperatrure at Target Wavelength
, Io=Tλ0
a
d
Tλ0
°C
15
35
Optical Power at Target Wavelenth
, To=Tλ0
a
c
, Io=Ic0
d
Pλ0
mW
0.2
3.0
Maximum Optical Power
c
d
To=20°C , Io=Imax
Pmax
mW
0.4
3.5
Threshold Current
Ith
mA
0.1
3.0
To=Tλ0
c
Operating Voltage @ Pmax
Vmax
V
2.1
To=20°C , Io=Imax
c
d
Current Tuning Coefficient
Δλ/ΔI
nm/mA
0.2
0.9
To=Tλ0 , Io=Iλ0 , f=0 Hz
c
d
b
Temperature Tuning Coefficient
Δλ/ΔT
nm/K
0.08
0.2
To=Tλ0
, Io=Iλ0
d
c
Slope Efficiency
ΔP/ΔI
mW/mA
0.05
0.5
To=Tλ0
, Io=Iλ0
d
c
SMSR at Target Wavelength
SMSR
dB
25
transverse and polarisation modes
, Io=Iλ0
To=Tλ0
c
d
Spec_15xx_V2.1.0
Note a: Target wavelength λ=λ0
Note b: Higher modulation frequency will decrease tuning range, change <10% with f<10KHz
Note c: To: Submount temperature
Note d: Io: Laser operating current
LIV Curve
Example data of 1580 nm VCSEL
Example data of 1580 nm VCSEL
Package Options
Package Versions
Description
Ordering Information
SE-R4
TO-46 with protective ring, uncooled
VL-15xx-1-SE-R4
SE-T4
TO-46, uncooled
VL-15xx-1-SE-T4
SE-A4
TO-46 with angled cap, AR coated window, uncooled
VL-15xx-1-SE-A4
SQ-R5
TO-39 with protective ring, TEC/Thermistor
VL-15xx-1-SQ-R5
SQ-T5
TO-39, TEC/Thermistor
VL-15xx-1-SQ-T5
SQ-A5
TO-39 with cap, AR coated window, TEC/Thermistor
VL-15xx-1-SQ-A5
SE-H41
TO-46, SSMF pigtail with FC/APC, uncooled
VL-15xx-1-SE-H41
ST-H41
TO-46, SSMF Pigtail with FC/APC, TEC/Thermistor
VL-15xx-1-ST-H41
ST-A4
TO-46 with angled cap, AR coated window, TEC/Thermistor
VL-15xx-1-ST-A4
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