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4.257um low power Benchtop ICL-DFB tunable continuous light laser (TDLAS integrated control module) 5mW
The 4.257um ICL-DFB laser is a tunable continuous light laser developed by Idealphotonics. It has narrow line width, high power, and low power consumption. It can meet the gas sensing test, especially for the test of hydrocarbons and other related gases. In addition, the desktop ICL-DFB laser module integrates the driver and temperature control module. The temperature and working current of the tuned laser can also be controlled by software, which can make the laser work stably and maintain the accuracy of the measured value. FPGA is also added inside the laser module to facilitate the processing of the concentration of the measured gas.
Product features:Continuous wave、 Single-mode spectrum、 Adjustable light source、 Low power consumption、 High-quality beam、 Narrow line width、 Software intelligent control、 Small structure
Part Number:--
Application area:TDLAS gas system measurement setup、 Mid-infrared system light source、 Mid-infrared device analysis
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2F signal acquisition interface:

Algorithm calibration interface:

Modulation signal linearity test (oscilloscope voltage signal effect diagram):

Parameters
Parameters | Unit | Technical Specs | ||
Min. | Typ. | Max. | ||
4.257um ICL-DFB | ||||
Laser Output Power | mW | 0.5 | 5 | 8 |
Peak Operating Wavelength | nm | 4.257 | ||
Spectral Width (FWHM) | MHz | 3 | ||
Output Side Mode Suppression Ratio (SMSR) | dB | 20 | 30 | |
Wavelength Tuning Range | nm | 6 | 10 | 25 |
Wavelength Temperature Coefficient | nm/℃ | 0.32 | ||
Wavelength Current Coefficient | nm/mA | 0.06 | ||
Output Power Stability (8h) | % | ±1 | ±4 | |
Output Power Adjustment Range | % | 0 | 100 | |
Operating Current | mA | 40 | 80 | 140 |
Threshold Current | mA | 25 | 40 | 80 |
Operating Voltage | V | 7 | 9 | 12 |
Chip Operating Temperature | ℃ | -20 | 10 | 40 |
Storage Temperature | ℃ | 15 | 20 | 65 |
Dimensions | mm | 340(L)×240(W)×100(H) | ||
System Setup Diagram

Spectral Diagram (15°C, 90mA)
Power Curve (15°C)

Power Stability (15°C, 90mA)

Wavelength Stability (10°C, 90mA)

Wavelength Tuning Curve

Control Software

Ordering Info
MIR-ICL-W4257-3-DFB-05
Central Wavelength:4257:4.527um
Bandwidth:3:3MHz
Output power:05:5mW
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