1273–1653nm DFB Butterfly Laser Diode, Gas Detection Laser, TDLAS Laser Module, Single-Mode Fiber DFB Laser, Narrow Linewidth Laser, Fiber Coupled Laser Module, Gas Sensor Laser, CH4 H2S CO NH3 Detection The DFB Pigtailed Butterfly Laser Diode for gas detection is specifically designed for laser-based gas analysis systems, including TDLAS applications. Covering key wavelengths such as 1273 nm, 1392 nm, and 1653 nm , this module enables high-precision detection of gases including methane and other target species.
Need a laser or photonic component for your project?
Share your target wavelength, package requirements, application and estimated quantity. Our team can help evaluate suitable product options.
For faster evaluation, please include wavelength, optical power or detector requirements, package and expected order volume.
- Description
- Additional information
Description
1273–1653nm DFB Pigtailed Butterfly Laser Diode for Gas Detection (SM Fiber) Overview
The DFB Pigtailed Butterfly Laser Diode for gas detection is specifically designed for laser-based gas analysis systems, including TDLAS applications. Covering key wavelengths such as 1273 nm, 1392 nm, and 1653 nm, this module enables high-precision detection of gases including methane and other target species.
Featuring a DFB laser chip integrated into a butterfly package with fiber output, the module ensures excellent wavelength stability and reliable performance. The built-in TEC, thermistor, and monitor photodiode provide precise temperature control and consistent optical output.
This module is ideal for industrial gas monitoring, environmental sensing, and safety detection systems where high sensitivity and long-term stability are critical.
Key Features
- Optimized wavelengths for gas detection (1273 / 1392 / 1653 nm)
- Stable DFB laser output with narrow linewidth
- Butterfly package with fiber output
- Integrated TEC, thermistor, and MPD
- High wavelength stability and low drift
- Suitable for TDLAS gas sensing systems
- High reliability for industrial applications
Applications
- Laser gas analysis systems
- TDLAS gas detection modules
- Methane (CH4) sensing systems
- Industrial gas monitoring
- Environmental and safety detection
Optical/Electrical Parameters
| Parameter | Symbol | Test Conditions | Min. | Typ | Max. | Unit |
|---|---|---|---|---|---|---|
| Threshold Current | Ith | @25℃,CW | – | – | 30 | mA |
| Operation Current | Iop | – | – | – | 100 | mA |
| Optical Output Power | P | @25℃, IF=Iop | – | 10 | – | mW |
| Monitor Operation Current | IMON | @25℃, CW | 10 | – | 200 | μA/mW |
| TEC Current | ITEC | – | – | – | 1.8 | A |
| Thermistor Resistance | RT | @25℃ | 9.5 | 10 | 10.5 | kΩ |
| Thermistor Temp. Coeff. | α | @25℃ | – | -4.39 | – | %/℃ |
| Peak Wavelength | c | @25℃, IF=Iop | λ-1 | λ | λ+1 | nm |
| Side Mode Suppression Ratio | SMSR | @25℃, IF=Iop | 35 | – | – | dB |
| Isolation | ISO | @25℃, CW | 25 | – | – | dB |
| Wave. Temp. Coefficient | – | @25℃, CW | – | 0.1 | – | nm/℃ |
| Wave. Current. Coefficient | – | @25℃, CW | – | 0.02 | – | nm/mA |
| Fiber Length | – | – | – | 1 | – | m |
| Fiber Core/Cladding/Buffer | – | – | – | 9/125/90 | – | μm |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Storage Temperature | Tstg | -40 | 85 | ℃ |
| Relative Humidity | RH | 0 | 85 | % |
| LD Forward Current | ILF | – | 100 | mA |
| LD Reverse Voltage | VLR | – | 2 | V |
| PD Reverse Voltage | VR | – | 10 | V |
| TEC Current | Itec | – | 2 | A |
| TEC Voltage | Vtec | – | 4 | V |
Product Size
Pin Configuration（Type A）
| Pin | Description | Pin | Description |
|---|---|---|---|
| 1 | Thermistor | 8 | Null |
| 2 | Thermistor | 9 | Null |
| 3 | Laser (-) | 10 | Null |
| 4 | MPD (+) | 11 | Laser (+) |
| 5 | MPD (-) | 12 | RF-, laser- |
| 6 | TEC (+) | 13 | Laser + |
| 7 | TEC (-) | 14 | Null |
Pin Configuration（Type B）
| Pin | Description | Pin | Description |
|---|---|---|---|
| 1 | TEC + | 14 | TEC – |
| 2 | Rth | 13 | Null |
| 3 | Null | 12 | Null |
| 4 | Null | 11 | laser- |
| 5 | Rth | 10 | laser+ |
| 6 | Null | 9 | Null |
| 7 | Null | 8 | Null |
Ordering Information
| Family Name | Wavelength | – | Fiber | Connector | Optical power | PIN Description |
|---|---|---|---|---|---|---|
| LTBF | 1273
1392 1653 |
– | SM | 5：FC/APC | 10:10mW | A: Type A
B: Type B |
Example:
| Family Name | Wavelength | – | Fiber | Connector | Optical power | PIN Description |
|---|---|---|---|---|---|---|
| LTBF | 1392 | – | SM | 5 | 10 | A |
DFB Laser Integration
For DFB laser selection, specify the target wavelength, required optical power, package, spectral characteristics and temperature-control requirements. Match the available wavelength-tuning conditions to the absorption line or optical system in the stated application.
Frequently Asked Questions
What type of photonic device is 1273–1653nm DFB Pigtailed Butterfly Laser Diode for Gas Detection (SM Fiber)?
1273–1653nm DFB Pigtailed Butterfly Laser Diode for Gas Detection (SM Fiber) belongs to the DFB product family and is used for laser emission applications.
What wavelength or spectral range does 1273–1653nm DFB Pigtailed Butterfly Laser Diode for Gas Detection (SM Fiber) use?
The specified wavelength or spectral range is 1273–1653 nm. Refer to the technical specifications above for operating conditions and applicable tolerances.
What package is available for 1273–1653nm DFB Pigtailed Butterfly Laser Diode for Gas Detection (SM Fiber)?
The product is listed in Butterfly format. Check the package drawing and pin or fiber details above before integration.
What applications are associated with 1273–1653nm DFB Pigtailed Butterfly Laser Diode for Gas Detection (SM Fiber)?
The product is listed for Gas Sensing / TDLAS, Optical Communications. Suitability should be evaluated against the required optical and electrical specifications.
Related Technical Resources
Additional information
| Device Technology | DFB |
|---|---|
| Wavelength Band | Multi-Band / Broad Spectrum |
| Application | Gas Sensing / TDLAS, Optical Communications |
| Package Type | Butterfly |
| Device Function | Laser Emission |
| Wavelength / Spectral Range | 1273–1653 nm |
| Optical Interface | SM Fiber |
