LD-PD offers single-longitudinal-mode DFB quantum cascade lasers (QCLs) operating within the wavelength range of 4-10 μm. These lasers are applicable in the field of high-sensitivity gas sensing, with their wavelength coverage encompassing the absorption lines of various gases such as carbon dioxide (CO₂) and its isotopes, alkanes, nitrogen oxides, and sulfides.
Name | Model | Description | Price |
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● Wide wavelength coverage range
● Narrow linewidth, meeting the requirements of high-resolution spectral analysis
● High wavelength stability
● Excellent signal-to-noise ratio
Parameters
Electrical Parameters | Operating Mode | CW/PW |
Laser Type | DFB | |
Operating Temperature | 15–50 ℃ | |
Thermistor | 10 kΩ (@25 ℃) | |
Optical Parameters | Linewidth | ≤ 0.2 cm⁻¹ |
Tuning Range | ±1 cm⁻¹ | |
Side Mode Suppression Ratio (SMSR) | 25 dB | |
Packaging | Window Material | ZnSe |
Window Type | Circular/Parallel | |
Window Diameter | 9.8 mm | |
Sealing Method | Dry N₂ | |
Package Type | HHL |
Wavelength List
Product Model | Wavelength (µm) | Wavenumber (cm⁻¹) | Output Power | Threshold Current | Detectable Gas |
QCL-2310HC | 4.33 | 2310 | ≥20 mW | ≤0.2 A | CO₂, CO₂ isotopes |
QCL-2190HC | 4.56 | 2191 | ≥20 mW | ≤0.2 A | N₂O |
QCL-2183HC | 4.58 | 2183 | ≥20 mW | ≤0.2 A | N₂O, CO |
QCL-1910HC | 5.24 | 1910 | ≥20 mW | ≤0.2 A | — |
QCL-1721HC | 5.81 | 1721 | ≥20 mW | ≤0.2 A | CH₂O |
QCL-1505HC | 6.64 | 1505 | ≥20 mW | ≤0.2 A | C₂H₆ |
QCL-1471HC | 6.79 | 1471 | ≥20 mW | ≤0.2 A | C₂H₄ |
QCL-1377HC | 7.26 | 1377 | ≥20 mW | ≤0.2 A | — |
QCL-1365HC | 7.32 | 1365 | ≥20 mW | ≤0.2 A | — |
QCL-1351HC | 7.4 | 1351 | ≥20 mW | ≤0.4 A | SO₂ |
QCL-1333HC | 7.5 | 1333 | ≥20 mW | ≤0.3 A | — |
QCL-1303HC | 7.67 | 1303 | ≥20 mW | ≤0.4 A | — |
QCL-1080HC | 9.26 | 1080 | ≥20 mW | ≤0.3 A | — |
O/E Characteristics
4.3 μm DFB QCL
4.56 μm DFB QCL
4.58 μm DFB QCL
5.24 μm DFB QCL
5.81 μm DFB QCL
6.64 μm DFB QCL
6.79μm DFB QCL
7.26μm DFB QCL
7.32μm DFB QCL
7.40μm DFB QCL
7.50μm DFB QCL
7.67μm DFB QCL
9.26μm DFB QCL