VCSEL Gas Analysis
Our NIR InP VCSEL product portfolio features a wide range of single mode lasers specifically designed for Tunable Diode Laser Absorption Spectroscopy (TDLAS). The portfolio offers lasers from 1.3 µm to 2.3 µm, enabling the detection of numerous hazardous gases, including HF, H2O, NH3, CH4, HCl, CO, CO2, and more for a wide spectrum of key applications.
VERTILAS is committed to developing and producing custom solutions tailored to specific wavelengths, performance requirements, and options.
Characteristics and benefits of InP BTJ VCSEL for TDLS
Vertilas InP VCSELs for sensing applications feature
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Ultra low power dissipation
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High tuning rate (~0.5 nm/mA)
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Wide tuning range (3 - 5 nm)
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Fast modulation (>1 MHz)
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Remarkable single mode performance
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Excellent optical beam parameters
Key benefits for designing sensing systems
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High ppm and ppb sensitivity
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Open path systems with 100 m path length
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Compact multi-path cells
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Remote and battery operated solutions
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Small form factor portable sensors
Standard VCSEL
Wavelengths in nm
Gas
H2O
NH3
CO
H2S
CH4
Combustibles
HCl
H2O
CO2
Custom VCSEL
Wavelenths in nm
Gas
1560
CO
1645
C2H4O
1800 / 1877
H2O
1960
N2O
2012
CO2
2121
H2
2327
CO
Packages
Package Versions
Description
Ordering Information
SE-R4
TO-46 with protective ring, uncooled
VL-xxxx-1-SE-R4
SE-T4
TO-46, uncooled
VL-xxxx-1-SE-T4
SE-A4
TO-46 with angled cap, AR coated window, uncooled
VL-xxxx-1-SE-A4
SQ-R5
TO-39 with protective ring, TEC/Thermistor
VL-xxxx-1-SQ-R5
SQ-T5
TO-39, TEC/Thermistor
VL-xxxx-1-SQ-T5
SQ-A5
TO-39 with cap, AR coated window, TEC/Thermistor
VL-xxxx-1-SQ-A5
SE-H41
TO-46, SSMF pigtail with FC/APC, uncooled
VL-xxxx-1-SE-H41
ST-H41
TO-46, SSMF Pigtail with FC/APC, TEC/Thermistor
VL-xxxx-1-ST-H41
ST-A4
TO-46 with angled cap, AR coated window, TEC/Thermistor
VL-xxxx-1-ST-A4
* Please specify particular wavelength for xxxx
The optical power and optical spectrum can be well defined by the etched area of the buried tunnel junction. The figure below shows the spectrum of a single mode 1654 nm VCSEL.
