DFB-QCL Laser diode     


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. 



Product model


Name Model Price


Parameter



Features

● Wide wavelength coverage range

● Narrow linewidth, meeting the requirements of high-resolution spectral analysis

● High wavelength stability

● Excellent signal-to-noise ratio

Key Parameter

Parameters

Electrical Parameters

Operating Mode

CW/PW

Laser Type

DFB

Operating   Temperature

15–50 ℃

Thermistor

10 kΩ (@25   ℃)

Optical Parameters

Linewidth

≤ 0.2 cm¹

Tuning   Range

±1 cm¹

Side Mode   Suppression Ratio (SMSR)

25 dB

Packaging

Window Material

ZnSe

Window Type

Circular/Parallel

Window Diameter

9.8 mm

Sealing Method

Dry N

Package Type

HHL


Wavelength List

Product   Model

Wavelength   (µm)

Wavenumber   (cm¹)

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

dfb-qcl.png


4.3 μm DFB QCL

dfb-qcl2.png


4.56 μm DFB QCL

dfb-qcl3.png


4.58 μm DFB QCL

dfb-qcl4.png


5.24 μm DFB QCL

dfb-qcl5.png


5.81 μm DFB QCL

dfb-qcl6.png


6.64 μm DFB QCL

dfb-qcl7.png


6.79μm DFB QCL

dfb-qcl8.png


7.26μm DFB QCL

dfb-qcl9.png


7.32μm DFB QCL

dfb-qcl10.png

7.40μm DFB QCL

dfb-qcl11.png


7.50μm DFB QCL

dfb-qcl12.png


7.67μm DFB QCL

dfb-qcl13.png


9.26μm DFB QCL

dfb-qcl14.png





Package Size

dfb-qcl15.png



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